Kiernan-Laitinen Heating & Air Conditioning

Your Comfort Is Our Priority

Kiernan-Laitinen Heating & Air Conditioning is the go-to heating and cooling company in the Racine area. After more than 30 years in business, it’s easy to see why homeowners in Racine and Kenosha Counties trust us. We’re honest, friendly, and ready to deliver the great service you’re looking for at an affordable price. From furnaces and hot water boilers to air conditioners, heat pumps, and indoor air quality systems, there’s no HVAC equipment we can’t install, repair, or maintain. Next time you need service, trust your hometown team: Kiernan-Laitinen Heating.

Our HVAC Service Is a Cut Above the Rest

Our technicians proudly install Carrier® systems and service all makes and models of:

  • Furnaces
  • Boilers
  • Air conditioners
  • Heat pumps
  • Ductless split systems
  • Humidifiers
  • Dehumidifiers
  • Air purifiers
  • Air ventilators
  • Wi-Fi thermostats

We also service commercial properties and craft custom ductwork in our sheet metal shop, so there’s no installation too tricky for us to handle. Schedule a no-pressure free estimate today to get expert system recommendations from our pros.

At the End of the Day, It’s All About Your Comfort and Safety

Kiernan-Laitinen Heating owner, Jon Laitinen, got into the HVAC business 30+ years ago because he recognized the importance of keeping families safe and comfortable in their homes. With us, there’s no Band-Aid fix. We do things the right way every time, and that’s the only way we work.

Whether you need a system repair or a brand-new installation, you can count on fair, affordable service from the experts at Kiernan-Laitinen Heating. It’s why we’ve earned such a great reputation with our customers—including commercial property owners—and have become their number one choice for heating and cooling service. Call or contact us online to schedule an appointment.

Repair Service

Furnace, boiler, heat pump, or air conditioner not working? No problem. Call our team for reliable repair service that fixes the problem the first time.

Installation & Replacement

When it’s time to replace your system, trust Kiernan-Laitinen Heating for a professional furnace or AC installation that maximizes your comfort.


Don’t skip your annual tuneup. Make maintenance a priority to protect your heating and cooling systems and keep energy bills from rising.


We’re the trusted commercial heating and cooling service provider in the Racine area for all installations, repairs, and routine maintenance.