Residential HVAC Replacement and Emergency Repair

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Wisconsin Technicians Fix Your Home’s A/C and Furnace

Donovan & Jorgenson has been servicing and installing home heating and cooling systems in southeastern Wisconsin since 1985. Our NATE-certified HVAC specialists are leaders in the industry, offering dependable repairs and preventative maintenance services for residential heating and cooling systems like:NATE Certified HVAC

Our technicians have the ability to diagnose and repair HVAC problems typical in Wisconsin homes, so whether your heater becomes inefficient or your A/C stops blowing cold air, you’ll be comfortable again soon after a call to Donovan & Jorgenson. We even provide 24-hour emergency heating and cooling repairs to keep your family safe from extreme temperatures.

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Contact the NATE Certified HVAC experts at Donovan and Jorgenson to get the best in residential HVAC repair.

Milwaukee Homeowners Trust HVAC Repair Services and Products

HVAC Savings in WisconsinBesides quality repair and maintenance services, Donovan Jorgenson installs industry leading HVAC products in your Wisconsin home. We partner with trusted brands to give you the most efficient and effective heating and cooling systems so you can keep your home warm in the winter and cool in the summer. Our high-efficiency products help homeowners save on heating and cooling costs. Some of the HVAC brands we offer include:

Whether you’re building a new home in Waukesha or in need of a new central air conditioning unit for your rental property in Milwaukee, Donovan & Jorgenson has the expertise and quality HVAC products you are looking for. Our technicians have undergone extensive manufacturer training sessions to gain accurate knowledge of each of our HVAC products.

Don’t spend another dime on an inefficient HVAC system – Contact Milwaukee’s best residential heating and cooling experts at Donovan & Jorgenson today.

Maintain your Home’s HVAC System with Donovan & Jorgenson

Your home’s heating and cooling systems works hard to keep you comfortable through Wisconsin’s variable seasons. Most likely, you don’t think too much about it until the day it stops running. Regular maintenance on air conditioners, oil and gas furnaces and boilers prevent these systems from succumbing to the wear of daily use. The HVAC experts at Donovan & Jorgenson are ready to get you started on a regular maintenance schedule to keep your Milwaukee home’s air cleaner and its temperature right in the sweet spot.

Dirty Furnace Filters

With preventative HVAC maintenance scheduling and tune-ups, we’ll be able to spot most problems before they occur, saving you the hassle, stress, and extra cost of sudden emergency repairs. Among the many maintenance services the NATE Certified technicians Donovan & Jorgenson provides are:

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Residential Heating Services to Get You through Wisconsin Winters

Cold weather is no joke in Wisconsin. Freezing temperatures can endanger your family. Make sure your boiler, furnace, or other heating system is fully operational before you’re left freezing. Arrange for a tune up, maintenance check, or replacement from our local technicians today. You don’t want to be caught out in the cold with an outdated furnace or boiler.

Cooling System Maintenance for the Summer Season

While Wisconsin is known for getting cold, our summers can get incredibly hot and humid. Air conditioners are a necessity to keep your family cool and comfortable. Ask our technicians about the best system for energy-efficient air conditioning in your home.

Local HVAC Services for Southeast Wisconsin Homeowners

Donovan & Jorgensen has multiple offices throughout southeast Wisconsin. These bases of operation let us quickly dispatch technicians to your home.

Main Office Corporate Headquarters

Phone: 262-784-6440

Fax:  262-784-6441
Donovan & Jorgenson


Monday - Friday: 7:30am - 5:00pm

Saturday: 7:30am - 12:00pm

Sunday: Closed

West Allis Office Suburban Milwaukee Location
Donovan & Jorgenson - Milwaukee


Monday - Friday: 7:30am - 4:00pm

Saturday: Closed

Sunday: Closed

Western Office Mukwonago Location
Donovan & Jorgenson Comfort Zone


Monday - Friday: 7:30am - 4:00pm

Saturday: Closed

Sunday: Closed

Our main headquarters is in Greenfield, Our other two offices are in West Allis and Mukwonago.

Contact Donovan & Jorgenson  to schedule HVAC maintenance in the Milwaukee area.
Awards &Certifications
Donovan & Jorgenson Heating & Cooling BBB Business Review
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