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...

Dear Customers, As coronavirus (COVID-19) has begun to spread in the United States, we know that many of you have already taken steps to...

Key Heating & Air Conditioning Designated a Recovery Friendly Workplace.

Our Ugly Furnace contest has returned for 2020! Enter for a chance to win a FREE heating system.

If you thought that July seemed warmer than usual, you were right. According to the NOAA (National Oceanic & Atmospheric Administration), Ju

Thank you to all of our amazing customers for nominating us as a finalist in Seacoast Online’s “Best of the Seacoast” contest! We truly...

It’s summer in New England, which means beach/lake days, grilling outside, and firing up your air conditioning system. This is the time...

Beat the heat this summer with some easy and effective hacks for your home. 1. Reduce & reflect sunlight Direct sunlight coming into your...

Getting a good night’s sleep can be difficult when the temperature isn’t quite right. Too hot and you’re sticking a foot out from under...

Join us on Saturday June 8th between 9-10 AM in our Wolfeboro showroom to learn about the latest ductless mini split heat pump...

May 2019 marks two years of having our second showroom, located in downtown Wolfeboro, New Hampshire and we’re celebrating by reflecting...

If you have an older air conditioning system in your home, there are regulatory changes you should know about. R-22 refrigerant (aka...

0% interest for 48 months April 1 – June 15 | Key Instant Rebates up to $500 | Utility Rebates up to $2000 As an Elite Mitsubishi...

Join us at the Whittemore Center Arena in Durham NH on Saturday April 6th and Sunday April 7th for the annual Seacoast Home Show....

Extend the life of your HVAC system. The most common reason for system shut downs are typically due to a very clogged air filter. Don’t...

Most homeowners are aware that they should perform routine maintenance on their home heating system, but few actually take it seriously....

Upstairs, Downstairs: Conditioning multiple rooms with home zoning. Finding a home that requires the same amount of cooling and heating...

Join us on Saturday February 2nd between 10-11 AM in our Exeter showroom to learn about the latest ductless mini split heat pump...

The start of a new year is a great time to take inventory and make plans for the year to come. While you’re budgeting for family...