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Oconomowoc is famous for its beautiful lakes – like Lac La Belle and Fowler Lake – but the area’s weather can swing from humid summers around 82.4°F to icy winters around 10.2°F. Whether your home is near South Cross Street near Downtown Oconomowoc or close to Highway 16, Pat’s Heating & Air Conditioning is here to keep you comfortable in every season.

We’ve spent over 36 years serving Southeastern Wisconsin, and we know exactly how to handle the region’s temperature extremes – from installing brand-new units to providing late-night emergency repairs.

Why Choose Pat’s Heating & Air Conditioning in Oconomowoc?

Oconomowoc is a growing city in Waukesha County, but one thing hasn’t changed: residents want fast, dependable HVAC solutions. That’s precisely what Pat’s delivers:

  • Leading Expertise: With decades of hands-on experience, our technicians know the ins and outs of HVAC systems.
  • Quick Call-Outs: Whether you’re by Woodlands or down near Briarwood, we arrive promptly to solve your problems.
  • 24-Hour Care: We’re ready to tackle emergency issues any time – rain or shine, day or night.
  • Customer Satisfaction Guarantee: We prioritize your happiness and always strive for top-notch service.
  • Flexible Payment Options: We offer payment plans to make sure our services fit your budget.

Oconomowoc Air Conditioning Installation, Repair & Maintenance

Summer days in Oconomowoc can be especially hot, and temperatures sometimes climb above 82°F! When that happens, a reliable Air Conditioning Installation keeps your home cool and fresh – great for when you want to get back to a nice cool house after being out by Fowler Lake. 

Got an existing AC unit? Our repair and maintenance services are available around the clock. We’ll make sure your system runs efficiently so you can relax indoors after a stroll along the Lake Country Trail.

Reliable Ductless HVAC Solutions in Oconomowoc

For homeowners who’d rather skip extensive ductwork, Ductless HVAC Installations deliver zoned heating and cooling exactly where you need it. 

Our technicians can install sleek wall-mounted units in any room, so we don’t take up too much floor space and can cut down on your energy usage. Whether you live in a cozy historic house near Main Street or a modern condo near Pabst Farms, ductless systems are a versatile choice.

VRF Systems for Your Oconomowoc Home

Variable Refrigerant Flow (VRF) systems are an increasingly popular choice around Oconomowoc’s suburban neighborhoods. They switch from heating to cooling without skipping a beat – perfect for Wisconsin’s erratic weather patterns! 

Pat’s expert team will evaluate your home’s layout and recommend the best VRF solution so you can always enjoy a balanced indoor climate.

Comprehensive Heating Solutions Across Oconomowoc

When winter comes knocking, temperatures can dip below freezing, especially if you’re out by Okauchee Lake or near the outskirts of Waukesha County. 

Pat’s is your all-in-one provider for heating services in Oconomowoc, whether you need an urgent repair or a full system overhaul.

24/7 Heating Repairs

If your boiler starts acting up after a day of ice skating on Fowler Lake, don’t stress – our factory-trained pros are just a phone call away. We’ll be there to troubleshoot the issue and make honest recommendations to keep your heating costs manageable.

Boiler & Radiant Heating Installation & Maintenance

A quality boiler or radiant heating system can help you handle those frigid Wisconsin nights. Whether you’re considering an upgrade or just need routine service, we install new units that suit your property and follow up with regular maintenance to keep your system in great shape.

Heat Pump Services

A heat pump offers an all-in-one solution for:

  • Heating and Cooling
  • Cutting Down on Energy Bills
  • Providing Reliable Comfort

Pat’s will help you select and install the right heat pump for your home – perfect for tackling Oconomowoc’s humidity during the summer and warming your space when the snow piles up in winter.

Hybrid Heating Technology

Need a bit more power when the thermometer dives? Our Hybrid Heating Service combines a heat pump with a furnace, guaranteeing a cozy home even on those bitterly cold nights near Rosenow Creek or Lake Drive. It’s an efficient, cost-effective way to keep your family comfortable!

Superior Air Purification Solutions

Indoor air can hide the following pollutants that aggravate allergies:

  • Pollen
  • Dust
  • Other Particulates

Pat’s offers Air Purification Solutions to help clear the air, which is a relief for families living near the city’s bustling center or by the scenic waterfront. We install top-grade filters, as well as humidifiers and dehumidifiers, to help maintain optimum moisture levels all year long.

State-of-the-Art Temperature Control in Oconomowoc

Take charge of your home’s climate with our modern smart thermostats. You’ll be able to monitor and adjust temperatures from anywhere – especially handy if you’ve just spent the day shopping around downtown Oconomowoc and want to return to a perfectly set home environment. Plus, zoning control gives you the power to regulate different rooms individually, saving you energy and costs.

Commercial Services for Local Oconomowoc Businesses

Pat’s also supports the many enterprises around Oconomowoc – whether you’re located near Lake Drive or around Wisconsin Avenue. Our Commercial HVAC Services cover everything from new installations to maintenance on existing systems, helping keep your workspace productive and comfortable for employees and customers alike.

Trusted Electrical Services in Oconomowoc

HVAC isn’t our only specialty. We provide a range of Electrical Services for homes and businesses across Oconomowoc:

Contact Pat’s Team Today!

Got a furnace emergency near Lake Drive? Need an AC tune-up by the Oconomowoc River? Pat’s Heating & Air Conditioning is standing by. Call 262-208-5829 or fill out our online form, and we’ll get back to you promptly. Experience the same expert service that thousands of satisfied customers in Oconomowoc already trust!

We offer the following services (and more!) in Oconomowoc, WI:

 

Recent Jobs and Reviews in Oconomowoc, WI

Job Locations and Reviews

Completed annual maintenance on two air conditioning systems under prepaid quality plan. Performed comprehensive clean and check procedures on both outdoor condenser units. Inspected Lennox condenser positioned against exterior brick wall, removed debris including leaves and twigs from fan grille and top surface. Verified proper operation of both systems with all components functioning within normal parameters. No deficiencies noted and no repairs required at this time.
Completed annual maintenance on two air conditioning systems under prepaid quality plan. Performed comprehensive clean and check procedures on both outdoor condenser units. Inspected Lennox condenser positioned against exterior brick wall, removed debris including leaves and twigs from fan grille and top surface. Verified proper operation of both systems with all components functioning within normal parameters. No deficiencies noted and no repairs required at this time.
Paul M.
Paul M. Checked in
Completed annual maintenance on two air conditioning systems under prepaid quality plan. Performed comprehensive clean and check procedures on both outdoor condenser units. Inspected Lennox condenser positioned against exterior brick wall, removed debris including leaves and twigs from fan grille and top surface. Verified proper operation of both systems with all components functioning within normal parameters. No deficiencies noted and no repairs required at this time.
Oconomowoc, WI 53066
Responded to low cooling complaint on residential air conditioning system. Upon inspection, found heavily corroded and rusted capacitor with significant deterioration on terminals and mounting hardware. Replaced failed capacitor with new unit, ensuring proper wire connections and secure mounting. Tested system operation and confirmed restoration of normal cooling function.
Responded to low cooling complaint on residential air conditioning system. Upon inspection, found heavily corroded and rusted capacitor with significant deterioration on terminals and mounting hardware. Replaced failed capacitor with new unit, ensuring proper wire connections and secure mounting. Tested system operation and confirmed restoration of normal cooling function.
Brandon L.
Brandon L. Checked in
Responded to low cooling complaint on residential air conditioning system. Upon inspection, found heavily corroded and rusted capacitor with significant deterioration on terminals and mounting hardware. Replaced failed capacitor with new unit, ensuring proper wire connections and secure mounting. Tested system operation and confirmed restoration of normal cooling function.
Oconomowoc, WI 53066
Completed annual preventive maintenance visit on residential air conditioning system under prepaid maintenance plan. Performed comprehensive inspection of outdoor condensing unit, verifying all electrical connections, capacitor integrity, and control wiring. Inspected indoor air handler and ductwork system, including mounted humidifier unit. Replaced 20x25x5 air filter as part of routine maintenance. All equipment operating within normal parameters. System tested and left in proper working condition.
Completed annual preventive maintenance visit on residential air conditioning system under prepaid maintenance plan. Performed comprehensive inspection of outdoor condensing unit, verifying all electrical connections, capacitor integrity, and control wiring. Inspected indoor air handler and ductwork system, including mounted humidifier unit. Replaced 20x25x5 air filter as part of routine maintenance. All equipment operating within normal parameters. System tested and left in proper working condition.
Brady E.
Brady E. Checked in
Completed annual preventive maintenance visit on residential air conditioning system under prepaid maintenance plan. Performed comprehensive inspection of outdoor condensing unit, verifying all electrical connections, capacitor integrity, and control wiring. Inspected indoor air handler and ductwork system, including mounted humidifier unit. Replaced 20x25x5 air filter as part of routine maintenance. All equipment operating within normal parameters. System tested and left in proper working condition.
Oconomowoc, WI 53066
Completed preventive maintenance inspection on two Lennox air conditioning systems as part of annual agreement renewal. Performed clean and check procedures on both outdoor condenser units and indoor air handling equipment. Replaced three 16x25x4 air filters. Conducted comprehensive system evaluation including electrical connections, refrigerant levels, condensate drainage, and operational performance testing. Both systems found to be operating within manufacturer specifications with no deficiencies noted or repairs required at this time.
Completed preventive maintenance inspection on two Lennox air conditioning systems as part of annual agreement renewal. Performed clean and check procedures on both outdoor condenser units and indoor air handling equipment. Replaced three 16x25x4 air filters. Conducted comprehensive system evaluation including electrical connections, refrigerant levels, condensate drainage, and operational performance testing. Both systems found to be operating within manufacturer specifications with no deficiencies noted or repairs required at this time.
Paul M.
Paul M. Checked in
Completed preventive maintenance inspection on two Lennox air conditioning systems as part of annual agreement renewal. Performed clean and check procedures on both outdoor condenser units and indoor air handling equipment. Replaced three 16x25x4 air filters. Conducted comprehensive system evaluation including electrical connections, refrigerant levels, condensate drainage, and operational performance testing. Both systems found to be operating within manufacturer specifications with no deficiencies noted or repairs required at this time.
Oconomowoc, WI 53066
Completed annual preventive maintenance tune-ups on three residential air conditioning systems at a condominium property, including units #201 and two #35 units. Performed comprehensive system inspections, replaced air filters on all three units, and verified proper operation of all equipment. All systems are functioning within normal parameters with no issues identified.
Completed annual preventive maintenance tune-ups on three residential air conditioning systems at a condominium property, including units #201 and two #35 units. Performed comprehensive system inspections, replaced air filters on all three units, and verified proper operation of all equipment. All systems are functioning within normal parameters with no issues identified.
Brady E.
Brady E. Checked in
Completed annual preventive maintenance tune-ups on three residential air conditioning systems at a condominium property, including units #201 and two #35 units. Performed comprehensive system inspections, replaced air filters on all three units, and verified proper operation of all equipment. All systems are functioning within normal parameters with no issues identified.
Oconomowoc, WI 53066
Oconomowoc, WI - Completed comprehensive air conditioning tune-up and preventative maintenance on residential cooling system. Performed refrigerant pressure testing using R-22 manifold gauges, verified proper system operation, and confirmed unit is operating within manufacturer specifications and ready for cooling season.
Joseph H.
Joseph H. Checked in
Completed comprehensive air conditioning tune-up and preventative maintenance on residential cooling system. Performed refrigerant pressure testing using R-22 manifold gauges, verified proper system operation, and confirmed unit is operating within manufacturer specifications and ready for cooling season.
Oconomowoc, WI 53066
Completed annual prepaid AC maintenance and inspection under CCC Quality Plan. Performed comprehensive clean and check of air conditioning system including indoor furnace/air handler unit and outdoor condenser unit. Inspected ENERGI brand furnace cabinet, verified all manufacturer labels and safety specifications present and legible. Checked air handler, filtration system, PVC condensate drainage lines, and all associated connections at indoor unit. Proceeded to outdoor condenser unit, inspected beige cabinet housing, louvered panels, fan assembly, and electrical connections including service disconnect panel. Verified proper clearances around outdoor unit and concrete pad condition. All system components operating within normal parameters with no deficiencies noted. System shows good overall condition with no repairs required at this time.
Completed annual prepaid AC maintenance and inspection under CCC Quality Plan. Performed comprehensive clean and check of air conditioning system including indoor furnace/air handler unit and outdoor condenser unit. Inspected ENERGI brand furnace cabinet, verified all manufacturer labels and safety specifications present and legible. Checked air handler, filtration system, PVC condensate drainage lines, and all associated connections at indoor unit. Proceeded to outdoor condenser unit, inspected beige cabinet housing, louvered panels, fan assembly, and electrical connections including service disconnect panel. Verified proper clearances around outdoor unit and concrete pad condition. All system components operating within normal parameters with no deficiencies noted. System shows good overall condition with no repairs required at this time.
Paul M.
Paul M. Checked in
Completed annual prepaid AC maintenance and inspection under CCC Quality Plan. Performed comprehensive clean and check of air conditioning system including indoor furnace/air handler unit and outdoor condenser unit. Inspected ENERGI brand furnace cabinet, verified all manufacturer labels and safety specifications present and legible. Checked air handler, filtration system, PVC condensate drainage lines, and all associated connections at indoor unit. Proceeded to outdoor condenser unit, inspected beige cabinet housing, louvered panels, fan assembly, and electrical connections including service disconnect panel. Verified proper clearances around outdoor unit and concrete pad condition. All system components operating within normal parameters with no deficiencies noted. System shows good overall condition with no repairs required at this time.
Oconomowoc, WI 53066
Oconomowoc, WI - Completed annual A/C tune-up and maintenance agreement renewal with 10% discount plan on parts, filters, and repairs. Performed comprehensive system inspection, installed 16X25X4 filter, verified electrical components including dual-run capacitor (440/370V, 25/5 MFD) and contactor operation, tested all safety controls, and confirmed proper refrigerant charge and airflow. Unit is operating efficiently and ready for cooling season.
Joseph H.
Joseph H. Checked in
Completed annual A/C tune-up and maintenance agreement renewal with 10% discount plan on parts, filters, and repairs. Performed comprehensive system inspection, installed 16X25X4 filter, verified electrical components including dual-run capacitor (440/370V, 25/5 MFD) and contactor operation, tested all safety controls, and confirmed proper refrigerant charge and airflow. Unit is operating efficiently and ready for cooling season.
Oconomowoc, WI 53066
Completed Premium Clean and Check maintenance agreement on newer Lennox air conditioning system. Performed comprehensive inspection of indoor air handler unit located in basement mechanical room and outdoor condenser unit, verifying proper operation of all components. System found to be in excellent working condition with no deficiencies noted.
Completed Premium Clean and Check maintenance agreement on newer Lennox air conditioning system. Performed comprehensive inspection of indoor air handler unit located in basement mechanical room and outdoor condenser unit, verifying proper operation of all components. System found to be in excellent working condition with no deficiencies noted.
Paul M.
Paul M. Checked in
Completed Premium Clean and Check maintenance agreement on newer Lennox air conditioning system. Performed comprehensive inspection of indoor air handler unit located in basement mechanical room and outdoor condenser unit, verifying proper operation of all components. System found to be in excellent working condition with no deficiencies noted.
Oconomowoc, WI 53066
Responded to after-hours emergency call for no power to rooftop AC unit with water present on ground. Upon arrival, inspected thermostat wiring and confirmed proper connections at R, C, Y1, G, and W1 terminals. Traced power issue to rooftop unit and identified water intrusion as source of electrical failure. Assessed indoor air handler and surrounding mechanical equipment for water damage. Restored power to system after addressing water intrusion issue and verifying all electrical connections were secure and dry.
Responded to after-hours emergency call for no power to rooftop AC unit with water present on ground. Upon arrival, inspected thermostat wiring and confirmed proper connections at R, C, Y1, G, and W1 terminals. Traced power issue to rooftop unit and identified water intrusion as source of electrical failure. Assessed indoor air handler and surrounding mechanical equipment for water damage. Restored power to system after addressing water intrusion issue and verifying all electrical connections were secure and dry.
Brandon L.
Brandon L. Checked in
Responded to after-hours emergency call for no power to rooftop AC unit with water present on ground. Upon arrival, inspected thermostat wiring and confirmed proper connections at R, C, Y1, G, and W1 terminals. Traced power issue to rooftop unit and identified water intrusion as source of electrical failure. Assessed indoor air handler and surrounding mechanical equipment for water damage. Restored power to system after addressing water intrusion issue and verifying all electrical connections were secure and dry.
Oconomowoc, WI 53066
Completed installation of EL297E 70,000 BTU furnace in basement utility area. Replaced 15-20 feet of 2-inch cellular core ductwork, verified existing gas valve and drain line were functioning properly, and confirmed electrical connections to Cutler Hammer panel with 15-amp circuit for furnace. Existing AC system and condensate drainage remained in place and operational, system tested and verified proper operation upon completion.
Completed installation of EL297E 70,000 BTU furnace in basement utility area. Replaced 15-20 feet of 2-inch cellular core ductwork, verified existing gas valve and drain line were functioning properly, and confirmed electrical connections to Cutler Hammer panel with 15-amp circuit for furnace. Existing AC system and condensate drainage remained in place and operational, system tested and verified proper operation upon completion.
Alex M.
Alex M. Checked in
Completed installation of EL297E 70,000 BTU furnace in basement utility area. Replaced 15-20 feet of 2-inch cellular core ductwork, verified existing gas valve and drain line were functioning properly, and confirmed electrical connections to Cutler Hammer panel with 15-amp circuit for furnace. Existing AC system and condensate drainage remained in place and operational, system tested and verified proper operation upon completion.
Oconomowoc, WI 53066
# HVAC Service Report

Responded to no cooling complaint on unit that had not received preventative maintenance this year. Upon arrival, performed comprehensive system diagnostics using CoreSense compressor monitoring system. Inspected electrical connections, contactor assembly, and capacitor for proper operation and signs of deterioration. Evaluated wiring harness integrity and terminal connections, noting age-related discoloration on some components. Documented existing conditions of control panel components and compressor electrical system. System assessed and customer advised of findings.
# HVAC Service Report

Responded to no cooling complaint on unit that had not received preventative maintenance this year. Upon arrival, performed comprehensive system diagnostics using CoreSense compressor monitoring system. Inspected electrical connections, contactor assembly, and capacitor for proper operation and signs of deterioration. Evaluated wiring harness integrity and terminal connections, noting age-related discoloration on some components. Documented existing conditions of control panel components and compressor electrical system. System assessed and customer advised of findings.
Brady E.
Brady E. Checked in
# HVAC Service Report Responded to no cooling complaint on unit that had not received preventative maintenance this year. Upon arrival, performed comprehensive system diagnostics using CoreSense compressor monitoring system. Inspected electrical connections, contactor assembly, and capacitor for proper operation and signs of deterioration. Evaluated wiring harness integrity and terminal connections, noting age-related discoloration on some components. Documented existing conditions of control panel components and compressor electrical system. System assessed and customer advised of findings.
Oconomowoc, WI 53066
Completed full HVAC system replacement for 2150 square foot residential property. Removed existing air conditioning unit and evaporator coil along with wood burner and associated ductwork. Capped all penetrations left from wood burner removal and coordinated scrap removal. Installed new Lennox air conditioning condenser unit on existing concrete pad with matching evaporator coil. Replaced 20 feet of refrigerant line set to accommodate new equipment configuration for C-width furnace compatibility. Connected system to existing Gould electrical panel with dedicated 40-amp circuit for AC unit and verified 15-amp furnace circuit. Completed all refrigerant connections, pressure tested system, evacuated lines, and charged unit to manufacturer specifications. Performed startup procedures, verified proper airflow, temperature differential, and operational cycling. System tested and left in full working order.
Completed full HVAC system replacement for 2150 square foot residential property. Removed existing air conditioning unit and evaporator coil along with wood burner and associated ductwork. Capped all penetrations left from wood burner removal and coordinated scrap removal. Installed new Lennox air conditioning condenser unit on existing concrete pad with matching evaporator coil. Replaced 20 feet of refrigerant line set to accommodate new equipment configuration for C-width furnace compatibility. Connected system to existing Gould electrical panel with dedicated 40-amp circuit for AC unit and verified 15-amp furnace circuit. Completed all refrigerant connections, pressure tested system, evacuated lines, and charged unit to manufacturer specifications. Performed startup procedures, verified proper airflow, temperature differential, and operational cycling. System tested and left in full working order.
Troy S.
Troy S. Checked in
Completed full HVAC system replacement for 2150 square foot residential property. Removed existing air conditioning unit and evaporator coil along with wood burner and associated ductwork. Capped all penetrations left from wood burner removal and coordinated scrap removal. Installed new Lennox air conditioning condenser unit on existing concrete pad with matching evaporator coil. Replaced 20 feet of refrigerant line set to accommodate new equipment configuration for C-width furnace compatibility. Connected system to existing Gould electrical panel with dedicated 40-amp circuit for AC unit and verified 15-amp furnace circuit. Completed all refrigerant connections, pressure tested system, evacuated lines, and charged unit to manufacturer specifications. Performed startup procedures, verified proper airflow, temperature differential, and operational cycling. System tested and left in full working order.
Oconomowoc, WI 53066
Oconomowoc, WI - Responded to service call for air conditioning unit leaking water after recent tune-up. Upon inspection of the HVAC system in the basement utility area, evaluated the Goodman furnace, air handler, and associated ductwork and drainage components. Identified the source of the water leak and communicated findings to office for diagnostic fee determination as requested prior to proceeding with repairs.
Brady E.
Brady E. Checked in
Responded to service call for air conditioning unit leaking water after recent tune-up. Upon inspection of the HVAC system in the basement utility area, evaluated the Goodman furnace, air handler, and associated ductwork and drainage components. Identified the source of the water leak and communicated findings to office for diagnostic fee determination as requested prior to proceeding with repairs.
Oconomowoc, WI 53066
Completed annual prepaid maintenance visit on Carrier air conditioning system. Performed comprehensive clean and check of outdoor condenser unit, inspecting all components, coils, and electrical connections. Unit operating properly with no deficiencies noted. System in good working condition.
Completed annual prepaid maintenance visit on Carrier air conditioning system. Performed comprehensive clean and check of outdoor condenser unit, inspecting all components, coils, and electrical connections. Unit operating properly with no deficiencies noted. System in good working condition.
Paul M.
Paul M. Checked in
Completed annual prepaid maintenance visit on Carrier air conditioning system. Performed comprehensive clean and check of outdoor condenser unit, inspecting all components, coils, and electrical connections. Unit operating properly with no deficiencies noted. System in good working condition.
Oconomowoc, WI 53066
Oconomowoc, WI - Performed annual maintenance on Carrier air conditioning system under quality plan agreement. Completed comprehensive inspection with all components operating within manufacturer specifications. Cleaned outdoor condenser coil by washing debris buildup to restore optimal heat transfer efficiency.
Michael M.
Michael M. Checked in
Performed annual maintenance on Carrier air conditioning system under quality plan agreement. Completed comprehensive inspection with all components operating within manufacturer specifications. Cleaned outdoor condenser coil by washing debris buildup to restore optimal heat transfer efficiency.
Oconomowoc, WI 53066
Responded to callback on recent HVAC installation where outdoor unit failed to start and produced clicking noise. Diagnosed system as overcharged with refrigerant, preventing proper compressor operation. Recovered 1.00 lbs of refrigerant using manifold gauge set to bring system to proper charge levels, verified pressures, and restored normal cooling operation.
Responded to callback on recent HVAC installation where outdoor unit failed to start and produced clicking noise. Diagnosed system as overcharged with refrigerant, preventing proper compressor operation. Recovered 1.00 lbs of refrigerant using manifold gauge set to bring system to proper charge levels, verified pressures, and restored normal cooling operation.
Alex M.
Alex M. Checked in
Responded to callback on recent HVAC installation where outdoor unit failed to start and produced clicking noise. Diagnosed system as overcharged with refrigerant, preventing proper compressor operation. Recovered 1.00 lbs of refrigerant using manifold gauge set to bring system to proper charge levels, verified pressures, and restored normal cooling operation.
Oconomowoc, WI 53066
Responded to no cooling complaint on Carrier split system. Upon inspection, diagnosed low refrigerant charge as cause of insufficient cooling performance. Added refrigerant to bring system to proper operating levels and restore cooling functionality.
Responded to no cooling complaint on Carrier split system. Upon inspection, diagnosed low refrigerant charge as cause of insufficient cooling performance. Added refrigerant to bring system to proper operating levels and restore cooling functionality.
Brady E.
Brady E. Checked in
Responded to no cooling complaint on Carrier split system. Upon inspection, diagnosed low refrigerant charge as cause of insufficient cooling performance. Added refrigerant to bring system to proper operating levels and restore cooling functionality.
Oconomowoc, WI 53066
Completed full HVAC system installation including a Lennox EL297V 70,000 BTU furnace, Lennox EL15KC1 3-ton air conditioning unit, and 36B-71 evaporator coil. System was installed per manufacturer specifications with all electrical connections completed at the main panel, outdoor condenser unit properly positioned on concrete pad with adequate clearance, and condensate drain lines installed. All equipment tested and confirmed operational upon completion.
Completed full HVAC system installation including a Lennox EL297V 70,000 BTU furnace, Lennox EL15KC1 3-ton air conditioning unit, and 36B-71 evaporator coil. System was installed per manufacturer specifications with all electrical connections completed at the main panel, outdoor condenser unit properly positioned on concrete pad with adequate clearance, and condensate drain lines installed. All equipment tested and confirmed operational upon completion.
Alex M.
Alex M. Checked in
Completed full HVAC system installation including a Lennox EL297V 70,000 BTU furnace, Lennox EL15KC1 3-ton air conditioning unit, and 36B-71 evaporator coil. System was installed per manufacturer specifications with all electrical connections completed at the main panel, outdoor condenser unit properly positioned on concrete pad with adequate clearance, and condensate drain lines installed. All equipment tested and confirmed operational upon completion.
Oconomowoc, WI 53066
Completed annual air conditioning maintenance under prepaid quality plan on Lennox condensing unit and Carrier furnace system. Performed comprehensive AC tune-up including system inspection, performance verification, and replacement of 16x25x4 air filter. All components inspected and found operating within normal parameters. Unit exterior, electrical connections, refrigerant lines, and ductwork connections verified in good condition with no issues identified. System tested and confirmed functioning properly.
Completed annual air conditioning maintenance under prepaid quality plan on Lennox condensing unit and Carrier furnace system. Performed comprehensive AC tune-up including system inspection, performance verification, and replacement of 16x25x4 air filter. All components inspected and found operating within normal parameters. Unit exterior, electrical connections, refrigerant lines, and ductwork connections verified in good condition with no issues identified. System tested and confirmed functioning properly.
Brady E.
Brady E. Checked in
Completed annual air conditioning maintenance under prepaid quality plan on Lennox condensing unit and Carrier furnace system. Performed comprehensive AC tune-up including system inspection, performance verification, and replacement of 16x25x4 air filter. All components inspected and found operating within normal parameters. Unit exterior, electrical connections, refrigerant lines, and ductwork connections verified in good condition with no issues identified. System tested and confirmed functioning properly.
Oconomowoc, WI 53066

Heating Service, HVAC Repair, Furnace Service, Heating Repair & AC Repair in Oconomowoc, WI

AC Installation in Oconomowoc, WI | Heating Service

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Words From Around Town
We had our furnace replaced from Pat’s and they were fantastic. Very professional and today’s service techs were extremely helpful during the install with explaining the steps. Oh…loved the chocolates!...
Margaret O
After initially doing some comparison shopping, I recently made the large investment of having Pat’s install a Kohler, whole home, back-up generator. From the initial in home evaluation by Robert...
Eric M
Outstanding service with excellent communication. Salesman was professional and listened to our concerns and answered our questions thoroughly. We received both a phone call and emails detailing our appointment for...
Thomas D
We had an excellent experience with Pat’s Heating and Air Conditioning. They are extremely professional and gave us wonderful customer service from the moment that we called them. They were...
Judy C

Oconomowoc, WI