top of page

time for your cooling maintenance

HEATING & COOLING SERVICES

Key HVAC has been providing the latest heating & cooling energy solutions for New England homeowners since 1993! Our family-owned, award-winning business services the NH Seacoast and Lakes Region saving homeowners costs, time, and headaches. 

Heating Services

Heating

New England winters are both beautiful, unpredictable, and at times, brutal. Trust Key HVAC local heating experts for all your service, maintenance, and installation needs.

Ductless solutions

Cooling

Keep your cool. The Key team has over 30 years of experience installing, repairing, servicing, and maintaining central air (HVAC) units and ductless air conditioning systems.

​

Happy Woman

Service Membership

Gain some peace of mind knowing that you have year-round savings on all your service and routine maintenance needs, at an affordable price. Become a member today with our exclusive Safety & Efficiency Membership. 

​

30+

35

2

120

Years Experience
Employees
Locations
Total Yrs Experience

Mike A.

5 star review

Great Support. During my annual maintenance check, they found a bad transformer. They installed a temporary one and came back the next week with a permanent fix. Greatly appreciated!

Mark F.

5 star review
Justin does nice work, he identified many issues with the AC system and fixed them. Very knowledgable on the end-to-end pieces of how our A/C system works.

Mary F.

5 star review
Outstanding, we were very impressed with the thorough job Matt did. He was very knowledgable and explained what he did and what we found. We always expect the best from Key, and Matt more than lived up to our expectations.

Are You Ready For The R-410A Phase Out?

We Service All Brands

Home Tips For Optimizing Your Air, Heating & Cooling

Key HVAC reveals tips and tricks to keep your home running efficiently.

Contact Key Heating & Cooling
Today!

For any HVAC inquiries, questions, or to set up a heating & cooling installation appointment, please call: 833.258.8811 or fill out the contact form.

Thank you for your interest! Key Heating & Cooling has you covered! We'll be in touch as soon as possible to schedule an appointment at your convenience.

By submitting, you authorize Key Heating & Air Conditioning, Inc to reach out via phone, email, or text for explicit information about scheduling, job bookings, updates and promotions. Message frequency varies. Message STOP to opt out at any time. We will never share your personal information with 3rd parties for marketing purposes. Text HELP for assistance or call 833-258-8811. Message/data rates apply. Consent is not a condition of purchase. Privacy Policy  SMS Terms & Conditions

CONTACT
US

P: (833) 258-8811

Text: 1 (833) 285 - 8811

Email: info@keyhvac.com

​

Follow 
US

  • White YouTube Icon
  • White Facebook Icon
  • White Twitter Icon
  • White Instagram Icon
bottom of page