New England Winters are beautiful to admire but can drag on and become uncomfortable both physically and financially if you aren’t...

Thousands of heat pumps have been installed across New England in homes and businesses. Let’s examine some common myths about heat pumps.

If you’re looking at replacing an existing HVAC system, or installing one in a new home your HVAC professional should perform a Manual J.

While not all furnace odors are a sign for concern, there are a few that you should be aware of that would require immediate attention.

Every winter we feel the effects of cold winter air. Dry cracked skin, dry sinuses, static electricity and don’t even get us started on...

Our Ugly Furnace contest has returned for 2020! Due to COVID-19 we were forced to end the contest earlier this year. We are starting it...

Breathe Safe for the 2020 Holiday Season! As we get closer to the holidays and spending time with family and extended family it is going...

iWave is an air purifying device that installs in any ducted heating/cooling system. It has successfully been tested to inactivate COVID-19

Key Heating & Air Conditioning Inc. is proud to announce that we have once again been selected as a finalist for the Seacoast Media Group's

Uncover what you should look for in a SEER rating and how a higher rating will impact your costs and comfort level.

Hot weather is not only uncomfortable, it’s bad for your health.

Modern heat-pump systems built by Mitsubishi Electric are equipped with variable-speed compressor technology to deliver highly-efficient com

Summer is the season of lounging in your backyard, lemonade in hand. But inside your home, air can be sweltering, stuffy and still.

We've identified the 3 air conditioners that perform the best in 3 key categories: Most efficient, quietest, and best value. If you’re...

Effective January 1, 2020, Freon is now illegal to import or manufacture in the US. Find out what you need to do if your heating and...

We want you to know that we are still here for you to service all your needs as we always have been. We are deemed an essential business...

What is indoor air quality (IAQ) and why is it important in your home? Pollution in the indoor environment can come from dust particles,...

In the midst of the COVID-19 pandemic, ACCA (Air Conditioning Contractors of America) has also been working to ensure contractor...

Key Heating & Air Conditioning is now offering FREE Virtual Service Diagnostic & Sales Estimate appointments.

The Lifestory Research Brand Study identified Trane as the most trusted HVAC brand among people considering the purchase of an HVAC...