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
Performed annual maintenance agreement service on furnace system and April Aire humidifier, including filter and water panel replacement as requested by customer. Inspected ductwork and HVAC components in mechanical room, noting inadequate heating/cooling to room above garage due to thermostat placement issues. Discussed potential zoning options to resolve temperature distribution problems and collected payment on-site as required.
Installed new Lennox EL297E 70K furnace with required 180-degree rotation to meet code compliance. Reconfigured existing 2" PVC venting with proper support and outdoor termination. Replaced return drop, gas valve, and added new media cabinet. Electrical work included reconfiguring BX wiring from ceiling; noted screw-type fuse panel without verified dedicated circuit for furnace. Verified floor drain functionality with installation.
Responded to service call for no heat in upstairs bedroom and discovered boiler leak caused by frozen and cracked PEX tubing. Replaced two circulation pumps, cut out damaged section of PEX, and installed new tubing. System was refilled and all zones were bled to restore proper heating function.
Performed annual maintenance on two furnace systems under prepaid CCC Quality Plan. Completed comprehensive tune-ups, replaced air filters, and cleaned humidifier components. All equipment inspected and functioning properly, including thermostat connections and system components.
Responded to no-heat complaint in bedroom zone that was actually overheating despite thermostat being off. Diagnosed failed zone valve (Zone 4) causing continual heat flow to affected area. Replaced defective zone valve and also replaced aging expansion tank which was showing pressure issues (3/6/26 PSI markings indicated previous service). System now functioning properly with all zones responding correctly to thermostat commands.
Completed annual maintenance agreement service on two furnace systems per Quality Plan. Performed comprehensive clean and check on both units, including replacement of air filters (16x25x4 and 20x25x4). Inspected Carrier furnace system with PVC venting and connected ductwork - all components in good working condition with proper installation. Both systems functioning correctly with no issues identified.
Performed annual boiler maintenance service under CCC Quality Plan. Identified and cleaned dirty probes during the tune-up process, with recommendation for a comprehensive deep cleaning to restore optimal system performance.
Diagnosed no-heat issue on 7-year-old system; identified failing inducer motor as root cause. Ordered replacement part for upcoming repair. Documented equipment specifications for both furnace and AC unit to establish maintenance program for this new customer.
Performed annual maintenance on Carrier furnace under CCC Quality Plan. Completed regular cleaning and inspection of the unit, replaced 16x25x1 filter. System is operating correctly with no issues identified.
Completed installation of a Lennox EL297V 70K BTU high-efficiency furnace in basement utility area, including replacement of 20 feet of 2-inch cellular core PVC, installation of new media cabinet, and modification of return drop. Verified proper operation of existing gas valve, drain system, and electrical connections to Square D QO Panel (15 amp furnace circuit, 20 amp AC circuit). System properly sized for 1650 square foot residence.
Successfully relocated two 6" round ducts to the top of the trunk line, ensuring both dampers were fully opened for proper airflow. Installed flat patches over old duct openings to maintain system integrity as the trunk line is being prepared for drywall coverage. Completed heat run adjustment to optimize system performance.
Performed scheduled maintenance on dual furnace system under CCC Quality Plan - Annual agreement. Inspected heavily soiled filters (2-16x25x4) and replaced them as part of preventative maintenance protocol. System inspection revealed no operational issues requiring additional service.
Completed scheduled maintenance on Carrier furnace system. Performed standard cleaning and replaced 16x25x4 air filter. System inspection revealed unit is operating properly with no issues identified.
Successfully installed a high-efficiency HVAC system including a Lennox SLP99V 99% AFUE variable speed furnace, S40 Smart Wi-Fi thermostat, and Bradford White 50-gallon water heater. Completed necessary modifications including replacement of 18ft of 2" PVC, media cabinet replacement, return drop modifications, humidifier relocation, and fabrication of new transition between furnace and A-coil.
Completed full system installation including Lennox EL297V 45K furnace, EL15KC1 2-ton condensing unit, 24B-71 coil, and T6 thermostat. Reused existing return drop, filter rack, PVC, and line set while correcting drain configuration with proper trap installation off the left side using 3/4" PVC. Additionally, repositioned 3" bathroom exhaust fan ductwork to run closer to the trunk line as requested.
Installed Lennox EL297E 70K furnace with T6 thermostat, replacing existing Coleman unit. Replaced 18ft of 1.5" PVC exhaust/intake piping, modified return drop to accommodate water heater clearance, and installed new media cabinet. Added 4x10 supply register to plenum for downstairs bedroom and replaced cardboard connector in laundry room with proper 12x6 flat 45's and ductwork.
Completed annual maintenance service on Lennox furnace under CCC Quality Plan agreement. Performed regular cleaning and inspection of the system, including replacement of 16x25x4 Carrier filter. Unit is operating properly with no issues identified.
Responded to callback regarding insufficient insulation on make-up air intake connected to furnace return. Inspected metal vent pipe that was exhibiting condensation and allowing cold air infiltration. Applied spray foam insulation around the ductwork junction and sealed gaps between the metal vent pipe and surrounding structure to prevent thermal transfer and condensation issues.
Performed annual maintenance on furnace under CCC Quality Plan. Completed regular cleaning and identified failing inducer motor. Customer has been informed of the issue and requested a quote for replacement.
Successfully relocated gas pipe for customer's boiler in the mechanical room, replacing all 1/2" black steel gas piping and fittings from the tee to the boiler. Installed new piping behind the boiler secured to the wall, providing better protection in a more suitable location.
