Quality Service

Since 1992, Cardinal Heating and AC has proudly served our neighbors in Seattle and the greater Eastside, including Redmond, Issaquah, Kirkland, Bellevue, Woodinville, Mercer Island, and Bothell. We offer complete Installation, Maintenance, Repair and Service of: A/C Systems, Boilers, Gas Furnaces, Radiant Floors, Geothermal Systems, Heat Pumps, and solar heating system.

Cardinal Heating & A/C is a Carrier Factory Authorized Dealer and we specialize in Hybrid Heat systems, radiant in-floor heating, as well as Triangle Tube Prestige™ high efficiency boiler systems.

Online Reviews

If we’ve provided you excellent service, please take the time to come by and leave us an online review!


Our Mission

To provide our customers with the highest possible service and the most energy efficient heating and air conditioning products available on the market today!

Check out our Home Comfort Guides

Heating and Cooling Efficiency Ratings Explained, click here to find out more.


How much will your new heating or cooling system save you? Click here to find out more.

We hope you give Cardinal Heating & A/C the opportunity to help improve and maintain the comfort of your home. Call us today at 425.296.2097 or click here to request service

Need Service?

Cardinal Heating & A/C can offer complete peace of mind by servicing, maintaining and repairing all aspects of your heating and cooling system in a fast, friendly, and professional manner.

Please contact us if you have any questions or go to our service department page to find out more about services we offer.  Click here to request service or call 425.296.2097.


Providing for Seattle’s Heating and Air Conditioning Needs

Have questions about Carrier’s expertise, products and savings? Click Here for everything you need to know about your Carrier home heating and cooling solution.