Cornett Heating & Cooling of Maryland

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About Us

We service the Serverna Park, Annapolis, Arnold, Pasadena, Glen Burnie, Millersville and surrounding areas.  Reach out to us if you’d like a consultation, 410-801-7771

About Cornett Heating & Cooling


Cornett Heating & Cooling, located in Severna Park, Maryland, is your premier destination for top-quality HVAC (Heating, Ventilation, and Air Conditioning) services. Our team of highly trained and certified technicians is dedicated to providing exceptional HVAC solutions for both residential and commercial customers. When it comes to HVAC installation, maintenance, and repairs, we have the expertise to keep your indoor environment comfortable year-round. At Cornett Heating & Cooling, we prioritize energy efficiency and sustainability, offering eco-friendly HVAC options to help you reduce your energy bills and environmental impact.


As your trusted HVAC company in Severna Park, we take pride in our commitment to customer satisfaction and our deep roots in the local community. Our website, https://www.cornetthvac.com/, showcases our professionalism and the range of services we offer. Whether you need a new HVAC system installed, routine maintenance, or emergency repairs, you can rely on Cornett Heating & Cooling to deliver reliable, cost-effective solutions. Contact us today for all your heating and cooling needs, and experience the difference our expertise makes in keeping your home or business comfortable and energy-efficient.


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Read what 300+ clients have said about our services:

Recent Work

506 Devonshire Lane ,Severna Park, MD, US

Cornett Heating & Cooling proudly installed a top-of-the-line 3 Ton Goodman gas furnace in a residence located in Severna Park, Maryland, ensuring optimal comfort and efficiency for our valued customers. Our expert team meticulously handled every aspect of the installation, from precise sizing to seamless integration, guaranteeing unparalleled performance and reliability. Trust Cornett Heating & Cooling for all your HVAC needs in Severna Park and beyond, where quality craftsmanship meets exceptional service.



506 Devonshire Lane , Severna Park, MD, US
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  • Our Services
  • Our Services: Repairs
  • Our Services: Full Installs

16 Sunset Drive ,Severna Park, MD, US

Curious about the difference a professional upgrade can make? Check out this before-and-after from a recent project in Severna Park, Maryland. Cornett Heating & Cooling installed this efficient Goodman 3 Ton A2L Straight AC in just one day. Ready to see more of our local expertise? Explore our interactive portfolio!

16 Sunset Drive , Severna Park, MD, US
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  • Our Services
  • Our Services: Repairs
  • Our Services: Full Installs

Customer Reviews

Greg Angel — review for Cornett Heating & Cooling
Greg Angel - 513 Green Forest Drive , Severna Park, MD, US
The service and responsiveness of the team was great. They were patient in waiting for us to make a decision, and answered all our questions about alternative units that are going to be on the market soon. The installers were thorough and professional.
Keith Bates — review for Cornett Heating & Cooling
Keith Bates - 106 Holland Road , Severna Park, MD, US
Can't say enough about them. I had several proposals and they had the lowest price. The person preparing the proposal was a technician (Zach) not a salesman. He did not over sell. I liked this as they check the little things that could be a change-order later on (like I needed to have my electrical breaker size changed.) Recommended a surge protector and explained why. He didn't push any other bells or whistles. I wanted a specific type of unit. When the supplier said there were none immediatel... Read more
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling2 years ago

Thank you for your kind words!

Suzanne Woodyard — review for Cornett Heating & Cooling
Suzanne Woodyard
Glad to work with you.
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling2 years ago

Thank you for your feedback!

Richard Landau — review for Cornett Heating & Cooling
Richard Landau
Cornett has always been great and I will always recommend them. Five stars is not enough! Great company and great staff!
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling2 years ago

Thank you for your feedback!

Chris Dinoto — review for Cornett Heating & Cooling
Chris Dinoto - 2103 Poplar Ridge Road , Pasadena, MD, US
Both guys who came out were very professional, knowledgeable and super helpful explaining the new system to me. My new choice! Thank you
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling2 years ago

Glad we could be of assistance! Thank you for your kind words!