Complete heating & cooling services for homes & small businesses in Waukesha
Prompt Heating & Air Conditioning is a local heating and cooling company providing on-time service and 24/7 emergency repairs for your furnace, boiler, water heater or AC unit – anywhere in Waukesha, WI.

Keep your Waukesha home comfortable & safe year-round with affordable heating & cooling services.
Our technicians have earned loyalty (and great reviews) from clients throughout the greater Milwaukee area because we:
- Offer 30-minute service windows
- Work with all major brands
- Help you troubleshoot the problem over the phone if we can
- Are pet-friendly and work clean
- Have fair, competitive pricing
You’ll get a firm price quote before any work begins – no surprises! Active military and first responders get discounted rates. Learn about our maintenance plan today.
Call now for emergency repair or contact us for an appointment.
Affordable furnace services
Our HVAC contractors offer affordable furnace repairs, replacement and maintenance to everyone in the Waukesha area. When Wisconsin winter comes, you don't want to be without heat. We offer affordable heating solutions to ensure you won't have to worry about your furnace.
At Prompt, we can repair and maintain all major furnace brands, even if we weren't the installer. You will get the longest lifespan out of your heating system with our help.
Learn more about our furnace services or boiler services.
Reliable AC repair & replacement
Prompt offers 30-minute appointment windows, ensuring your air conditioning installation will be done in an efficient manner. Get preventative maintenance and repairs done before it's too late with the help of Prompt's technicians. Don't let your AC unit go out during a heatwave.
Our services ensure your air conditioner will have the longest lifespan possible. Learn more about our air conditioner services.
Water heater & indoor air quality solutions
Our technicians work on all types of water heaters, including tankless and hybrid models. With regular maintenance, your hot water heater will stay running efficiently avoiding unwanted breakdowns.
The Winter months can make your house drier with the cold weather. Installing a home humidifier system, like AprilAire, the winter months will be easier to withstand. When you balance the humidity levels in your house, the AC unit and furnace will operate more effectively.
Learn more about our water heater services.
Fast response for Waukesha HVAC service requests
Prompt Heating & Air Conditioning is headquartered in Milwaukee near the Menomonee River Parkway and Timmerman Airport. Call now for emergency repairs or get in touch to book preventive maintenance, cleaning or a tune-up of your heating and cooling equipment.