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:
- Circuit Breaker Installation
- Electrical Panel Upgrades
- EV Chargers
- Fans & Fixtures
- Smoke and Carbon Monoxide Detectors
- Generator Services
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 full HVAC system upgrade including installation of EL297V 110,000 BTU furnace and 50-gallon natural gas atmospheric Bradford White water heater. Replaced existing 16x25x5 filter with 20x25 filter in new media cabinet. Repositioned furnace orientation for improved serviceability and replaced leaking 3" PVC venting components. All equipment leveled, tested, and verified operational prior to completion.
Responded to no heat call on residential Carrier furnace system. Found blown fuse preventing unit operation. Replaced fuse and verified system restored to proper heating function.
Responded to a no-power condition in the master bedroom where the circuit breaker was not tripped and multiple breaker resets had failed to restore power. Upon investigation, discovered broken wire connections at an outlet receptacle. Reconnected the detached wires to the proper terminals, secured all connections, and verified full power restoration to the affected bedroom circuit.
Responded to emergency callback for failed condensate pump that was previously identified as failing during morning tune-up service. Upon arrival, confirmed active leak from existing condensate pump. Removed failed unit and installed customer-supplied replacement condensate pump. Tested new pump operation to verify proper drainage function and confirmed no leaks present. System returned to normal operation.
Responded to no heat call on aging furnace unit. Diagnosed failed draft inducer motor as primary cause of heating failure and loud operational noise reported by homeowner. System exhibited severe lack of maintenance with heavily soiled air filter restricting airflow. Ordered replacement draft inducer motor for installation. Documented equipment condition with photos showing extent of debris accumulation and neglected maintenance. Customer acknowledged unit age and declined replacement options at this time.
Responded to no heat call on Carrier gas furnace model 58MCBB090-1-12 experiencing hard lockout condition and blowing cold air. Upon inspection, diagnosed failed heat exchanger causing safety lockout. Reviewed warranty information showing unit covered under 20-year heat exchanger warranty. Presented options for repair versus replacement and provided recommendations based on system condition and warranty coverage.
Responded to service call for AA100 control panel malfunction where unit was locked at 40 degrees and customer was unable to adjust setpoint to desired 50 degrees. Upon inspection, discovered corrosion on the green printed circuit board and electronic components within the control panel enclosure. Opened the white metal HVAC control panel to access internal components, revealing compromised relays, terminal blocks, and connection points affected by corrosion. Documented the condition of the circuit board, display screen, control buttons, and wiring connections through photographs. Brought M60 replacement unit to site as directed. Addressed the control malfunction under parts-only warranty coverage. Verified airflow direction labels and inspected all electrical connections and terminal blocks for proper functionality following service intervention.
Responded to service call for Burnham boiler with reported noisy draft motor and potential zone valve malfunction. Upon inspection, confirmed draft inducer motor producing excessive noise during operation. Documented equipment condition with photographs and assessed overall system functionality including zone valves and piping configuration. Communicated findings and will obtain pricing and availability for replacement draft motor to present options to homeowner for repair.
Performed furnace maintenance including thorough cleaning of April Air humidifier tubes that were heavily contaminated with mold growth. Replaced damaged humidifier panel with new #35 panel and completed full humidifier system cleaning to restore proper operation and air quality.
Responded to no heat condition and loud operation on older boiler system. Diagnosed failed autofill valve and failed pressure gauge as primary issues. Replaced backflow/autofill combination valve, pressure relief valve, and pressure gauge to restore proper system operation and safety controls. Performed complete boiler tuneup to optimize performance and efficiency.
Completed full HVAC system replacement for 2,180 square foot residential property. Installed SLP99 90,000 BTU furnace with 15-amp dedicated circuit, EL15KC1 3-ton air conditioning unit with 30-amp circuit at Cutler Hammer panel, and 36C-71 cased evaporator coil. Installed S40 programmable thermostat for system control. Reused existing 2-inch solid core PVC venting totaling 18 feet in length. Replaced refrigerant line set with new copper lines measuring approximately 15-20 feet to connect outdoor condensing unit to indoor coil. Added new humidifier media cabinet to existing 8x24 return air drop, utilizing 7.5-inch clearance between furnace and ductwork. Verified existing gas valve and condensate drain line were in acceptable working condition and suitable for continued use. Connected electrical circuits to appropriate breakers for furnace and air conditioning operation. System installed to replace aging equipment, tested for proper operation, and left in full working order.
Responded to no heat and no hot water emergency call. Upon inspection, discovered draft motor had seized, preventing boiler operation. Successfully freed and lubricated the seized draft motor, restored boiler functionality, and confirmed hot water production resumed. Prepared comprehensive quote for customer consideration regarding full repair of draft motor assembly versus complete boiler replacement options.
Performed comprehensive deep cleaning of TriangleTube high-efficiency boiler under maintenance agreement. Heat exchanger was thoroughly cleaned using mechanical brushing followed by vinegar and water flush to remove scale and deposits. Replaced igniter, flame sensor, insulation, and all gaskets to restore system integrity. System operational testing confirmed significantly quieter operation and smooth performance following service completion.
Responded to no heat complaint on second floor upstairs furnace. Found tripped circuit breaker at electrical panel supplying power to HVAC unit. Reset breaker and restored power to furnace, confirming unit operation. Homeowner reported ongoing issues with breakers tripping in panel and was advised to contact licensed electrician for panel evaluation and repair if problems persist.
Completed annual furnace maintenance under CCC Quality Plan agreement on Daikin unit. Performed regular cleaning, replaced 16x25x4 air filter, and conducted comprehensive system inspection. All components operating properly with no deficiencies noted.
Responded to no heat call and diagnosed faulty thermostat preventing furnace operation. Replaced defective thermostat with new unit and restored heating system functionality. Upon successful repair, completed prepaid maintenance tune-up including inspection of burner assembly, blower motor, electrical connections, gas supply lines, and venting system. Verified proper ignition sequence with blue flame pattern across all burners and confirmed all mechanical and electrical components operating within manufacturer specifications.
Installed a new 65-gallon Bradford White heat pump water heater in basement, including anode rod installation. Coordinated with electrical contractor on-site to ensure proper power supply connections for heat pump operation. Unit was successfully installed, tested, and left in full working order.
Completed full HVAC system replacement including installation of Lennox SLP99 70,000 BTU furnace, Lennox EL15KC1 2.5-ton air conditioning condenser unit, 30B-71 cased evaporator coil, and S40 programmable thermostat. Outdoor condensing unit was mounted on concrete pad against exterior wall with proper electrical disconnect and conduit installation. System was leveled, secured, and verified for proper operation. All equipment installed per manufacturer specifications and local code requirements.
# Service Report
Responded to service call for Lennox furnace producing loud operational noise. Upon inspection, diagnosed failed inducer motor assembly causing excessive noise during operation. Additionally identified compromised collector box with active leak requiring replacement. Ordered necessary OEM parts and completed installation of new inducer motor and collector box assembly. System tested and verified proper operation with normal sound levels and no leaks detected.
# Service Report: Boiler No-Heat Emergency Call
Responded to no-heat emergency call for residential boiler system. Upon arrival, confirmed complete loss of heating function and proceeded with diagnostic evaluation of the system.
## Diagnostic Findings
Conducted comprehensive inspection of boiler and associated electrical systems. Identified critical issues affecting both high-voltage and low-voltage electrical components serving the heating system. Photographed existing conditions including gas valve assembly, electrical connections, and overall equipment setup for documentation purposes. Set up temporary work lighting to properly assess utility room conditions and equipment accessibility.
## Issues Identified
- High-voltage electrical system deficiencies requiring correction
- Low-voltage control wiring problems affecting boiler operation
- Boiler unit displaying signs of failure requiring replacement consideration
- Gas piping and valve assembly inspected and documented
## Acti
