Exeter, New Hampshire

Key Heating & Air Conditioning Inc.

Unlocking the Earth's Green Energy

Key Heating & Air Conditioning Inc.

(603) 436-8811
Key Heating & Air Conditioning Inc., Air Conditioning, Services, Exeter, New Hampshire

Key Heating & Air Conditioning is a family-run team of Mitsubishi Diamond Contractors based in Exeter, NH. For 25 years, they’ve provided home energy assessments, HVAC maintenance, and installation of ductless cooling and heating systems. With 100% customer satisfaction as their ultimate goal, the local business is proud to say they’ve earned an A+ rating with the Better Business Bureau, and many glowing reviews from happy clients. They’re the professionals to call when you need efficient HVAC solutions at competitive prices.

How is Key Heating & Air Conditioning able to stay at the forefront of the industry? The answer is ongoing education. By providing regular training classes for their EPA-certified technicians, they’re the most qualified company in the area to service and install high-SEER cooling and heating systems, geothermal equipment, and solar technology. In addition, Key Heating & Air Conditioning is qualified to install, service, and repair Mitsubishi Electric Cooling & Heating systems as certified Mitsubishi Diamond Contractors. They’re also highly invested in maintaining “green” practices, such as recycling refrigerants and using as many environmentally friendly products as possible.

The Key Heating & Air Conditioning team is a passionate and tight-knit community, with some team members having been with the company for more than 18 years. With such a positive company culture and commitment to teamwork, their immense success is a small wonder.

Key Heating & Air Conditioning is based in Exeter and has a second showroom in Wolfeboro NH and available throughout the area for high-efficiency cooling and heating system installation, maintenance, and repairs, as well as 24/7 emergency service. To schedule your FREE estimate, give them a call at (603) 436-8811. More information about the local business is available on their website.

Announcements & Events from Key Heating & Air Conditioning Inc.
How Your HVAC System Is Impacting Your Sleep Quality, Exeter, New Hampshire
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 the covers to get comfortable. Too cold a...read more
Why You Should Install a Wall-Mounted Mini-Split System, Exeter, New Hampshire
Summer is almost here, which means you’re likely wondering how to keep your home cool and comfortable. Luckily, there’s a high-end, effective solution to this common problem: wall-mo...read more
Why Is Spring the Best Time to Upgrade My HVAC System?, Exeter, New Hampshire
Whether your energy bills are spiking or your home feels uncomfortable, it might be time to update your HVAC system. And with warm weather right around the corner, spring might be th...read more
Get Up to a $500 Instant Rebate for New Installation, Exeter, New Hampshire
Spring is the perfect time to update your cooling and heating system. It allows you to seamlessly transition between the seasons while keeping your home comfortable, improving&n...read more
Instant Fall Rebates, Exeter, New Hampshire
Mitsubishi Electric Cooling & Heating is at it again! Instant rebates up to $500 off a  High Efficiency Heating Ductless (or ducted) system. State Utility Rebates are s...read more
A home remodeling project is the perfect time to upgrade your HVAC system, reducing your long-term expenses and keeping your home comfortable for years to come. If you’re planning a ...read more
If you’ve been thinking about upgrading your cooling and heating system, fall is the perfect time of year to finally make the switch. The Mitsubishi Electric Diamond Contractors™ at ...read more
Enjoy the beautiful weather of spring by getting rid of allergies that may be exacerbated by your home’s air quality. You can do a few things to decrease your flare-ups this sea...read more
Spring is finally here; is your cooling and heating system equipped to handle the rising temperatures? If not, it might be time to upgrade to Mitsubishi Electric®. Built by industry ...read more
Dealing with a cooling and heating system problem is no fun, especially when it fails at the worst time possible. Finding a good contractor to get things back in order can be a chall...read more
Finding the right cooling and heating system for your home is no easy feat. Searching for AC units in particular requires homeowners to do their due diligence in researching whi...read more
If your home heating system is running nonstop, you’re probably losing a significant amount of money to heating bills. With a few simple improvements to your home, you can save on he...read more
When your HVAC stops working in the middle of winter, it can be stressful. However, many issues that commonly pop up can often be quickly resolved without making a service call. Belo...read more
It’s never fun when your cooling and heating system fails, especially when it happens on an especially cold or hot day. Luckily, you can perform some troubleshooting measures on...read more
When choosing a new air conditioner for your home, it’s a good idea to do your research and shop around before making your purchase. There are many factors to consider, including cos...read more
It’s that time of year again—days are getting shorter, temperatures are starting to fall, and it’s time to think about turning on the heater. Before the weather gets too frigid, it’s...read more
Keeping your high-efficiency heating system running smoothly means it has to be serviced, but how often should it be done? Thankfully, the team at Key Heating & Air Conditio...read more
Are you in the market for a new water heater? If so, you might be overwhelmed by the variety of options available. But some great choices can come with state and federal rebates and ...read more
As it continues to get colder through fall and winter, now is the perfect time to upgrade your heating infrastructure. To see which option is best for your needs, it’s wise to consul...read more
Even though your furnace doesn’t use water, you may still find rust on its surface. Generally caused by the interaction of combustion gases with this metal, even the best high-effici...read more
When it comes to heating your home, finding an HVAC system that’s both efficient and long-lasting is imperative. That’s why residents throughout Exeter, NH, depend on Key Heating &am...read more
As the temperatures drop each day and the sun goes down sooner, you’re probably thinking of those chilly nights to come. Now’s the time to start thinking about getting your house rea...read more
No one wants the financial burden of replacing their home’s entire cooling and heating system. That’s why Key Heating & Air Conditioning in Exeter, NH, highlights five signs that...read more
With winter weather fast approaching now is the time to prepare your home for the cold weather. Key Heating & Air Conditioning makes this necessity affordable with a special prom...read more
If you need a new cooling and heating system in the Exter, NH, area, there has never been a better time to buy. Starting September 11, 2017, and running through November 30, 2017, th...read more
Finding a new contractor can be an intimidating experience, especially when there are so many options, advertisements, and online reviews to sift through. As a smart customer, howeve...read more
During the heat of the summer, nothing is better than walking into a cool, air-conditioned home. No matter if you leave town for a few days or are just out running errands, the Kumo ...read more
The Mitsubishi® Electric Diamond Contractors at Key Heating & Air Conditioning know a thing or two about heating and cooling systems. For more than 25 years, their professionals ...read more
If you want to improve the overall comfort of your home and reduce the cost of your utility bills, then Key Heating & Air Conditioning in Exeter, NH, recommends installing a Mits...read more
If spending the summer sweating is turning into a real possibility because of your old air conditioner, it’s time to talk to Key Heating & Air Conditioning about a new Mitsubishi...read more
When your home’s air conditioning system is functioning properly, you’ll reap the benefits of a cool, comfortable residence all summer long. With heatwaves on the rise, there’s ...read more
Click here to schedule a FREE ESTIMATE Appointment.   Or Call 603-436-8811 read more
It’s important to maintain your home’s HVAC system year-round, but it becomes even more essential when blistering summer heat threatens your comfort. If your technician recommends a ...read more