Top Rated Heating & Air Conditioning Contractors Serving Waukesha County, WI
Last Updated May 15, 2026
2441 Review Ratings and 5 Heating & Air Conditioning Companies Evaluated.
These companies have passed our Preliminary 5-step rating process.
Yoders Heating & Cooling LLC
Yoders Heating & Cooling LLC provides a variety of heating and air conditioning services for residential and commercial throughout the Milwaukee area. The company is qualified to work on everything from water heater repairs and duct sealing to ductwork installations and heat pump repairs, and its employees ensure safety and transparent pricing on every job.
Services
Heating & Air conditioning Contractors including water heater repair, heat pump repair, furnace repair, heating, ductless heating and cooling systems, furnace repair & installation, boiler repair & installation, ac repair & installation, heat pumps, whole house humidifier, whole house dehumidifier, air purifications & exchangers, duct cleaning and dryer vent cleaning.
Coverage Areas
The Milwaukee Area, including Waukesha County—key cities including Lannon, Nashotah, Oconomowoc, Butler, Brookfield, Merton, Menomonee Falls, Hartland, Delafield and North Lake.
- 132 W Ottawa Ave Bldg B
- Dousman, WI 53118
Alpha Heating & Cooling LLC
Alpha Heating & Cooling LLC provides heating and air conditioning services for residential and commercial clients in the Greater Milwaukee area. The company has the training and equipment to work on all types of HVAC projects, each of which is backed by superior craftsmanship and a company-wide dedication to quality.
Services
Heating & Air conditioning Contractors including mini splits, heating, furnace repair, water heater repair, ac tune ups, furnace repair service, furnace replacement, heat pumps, commercial HVAC, zone systems and thermostat upgrades, indoor air quality, ac replacement, whole home humidifiers, whole home dehumidifiers, air filters and uv light systems.
Coverage Areas
The Milwaukee Area, including Waukesha County—key cities including North Lake, Merton, Lannon, Hartland, Delafield, Butler, Brookfield, Nashotah, Menomonee Falls and Oconomowoc.
- S15W33816 Wolf Rd #G
- Oconomowoc, WI 53066
A & B Heating and Cooling
A & B Heating and Cooling provides a variety of heating and air conditioning services for residential and commercial throughout the Milwaukee area. The company is qualified to work on everything from zoning system installations and seasonal tune-ups to ductwork installations and HVAC installations, and its employees ensure safety and transparent pricing on every job.
Services
Heating & Air conditioning Contractors including furnace repair, heat pump repair, commercial air conditioning, water heater repair, heating, rooftop units, unit heaters, heat pumps, traditional split systems, ductless mini splits and air conditioning maintenance.
Coverage Areas
The Milwaukee Area, including Waukesha County—key cities including North Lake, Lannon, Hartland, Brookfield, Oconomowoc, Nashotah, Butler, Menomonee Falls, Delafield and Merton.
- S72W30945 Kettle Ridge Dr
- Mukwonago, WI 53149
Mark's Heating & Cooling
Mark's Heating & Cooling offers heating and air conditioning services to residential and commercial clients in Waukesha County. The company works on everything from water heater repairs and furnace repairs to ventilation systems and HVAC upgrades, and its employees focus on delivering first-rate workmanship on each job.
Services
Heating & Air conditioning Contractors including HVAC installation, HVAC replacement, air conditioner repair, mini splits, ductless heating and cooling systems.
Coverage Areas
The Milwaukee Area, including Waukesha County—key cities including Merton, Lannon, Brookfield, Nashotah, Delafield, Menomonee Falls, North Lake, Butler, Hartland, Oconomowoc.
- 355 W Wisconsin Ave
- Oconomowoc, WI 53066
Donovan & Jorgenson
Donovan & Jorgenson offers a wide range of heating and air conditioning services to residential and commercial clients throughout Waukesha County. The company has the in-house capabilities to work on everything from furnace repairs and HVAC installations to energy efficiency audits and water heater repairs, and it customizes each project to meet the client’s budget requirements.
Services
Heating & Air conditioning Contractors including air conditioning, furnace repair, air conditioner repair, heat pump repair, ductless heating and cooling systems, boiler, thermostat, ductless, heat pump, indoor air quality and duct cleaning.
Coverage Areas
The Milwaukee Area, including Waukesha County—key cities including North Lake, Brookfield, Menomonee Falls, Merton, Delafield, Nashotah, Oconomowoc, Hartland, Lannon and Butler.
- W306 S4875 Hwy Ste 83
- Mukwonago, WI 53149
These companies have earned our Pre-Qualified Rating. Learn more about our 5-step process.
Rating Step 1 = Stars
Meet or exceed a
ONE AllRatings star score of 4.5.
Indicates the final super-composite calculation of all reviews scores from all sources, optimized for accuracy and recency.
Read ONE AllRatings methodologyRating Step 2 = License
Verified active and in good standing (when required).
State license bureau data is accessed and analyzed.
Rating Step 3 = Background
Satisfactory status.
Internet searches were performed seeking disqualifying information on each company.
Rating Step 4 = Complaints
Satisfactory status.
Complaint bureau records have been searched seeking disqualifying information on each company.
Search Better Business BureauRating Step 5 = Specialist
Satisfactory status.
Our research specialist verifies all ratings steps have been passed and creates a final report and profile.
Meet our research specialist team
If your energy bills keep rising or certain rooms in your home never have the right temperature, the issue may be what’s behind the walls and above the ceiling.
Indoor air quality projects address a wide range of areas and problems, from duct cleaning to asbestos removal. The most commonly requested indoor air quality services are:Infiltro
In your quest to perfect your indoor air quality system, you’ll encounter a large volume of extra features and technical specifications. The following glossary provides definitions
Learn about some of the most common air conditioning, heating, and ventilation system repairs and services.