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

Monica Garcia — review for Cornett Heating & Cooling
Monica Garcia
I’ve had a wonderful experience with Cornett Heating & Cooling. From scheduling with Julie ( I believe that is the wonderful lady I spoke with) to meeting Michael H for an estimate. They are professional, honest and take time to explain everything. Julie even answered a few questions for me when I was scheduling the estimate for a new AC and Furnace. Michael came out on time, listened, and answered all of my questions. He even checked something for me to confirm if what I was told by a previous ... Read more
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling2 years ago

Thank you for taking the time to leave us the amazing feedback :)

Paula Murphy — review for Cornett Heating & Cooling
Paula Murphy - 316 Stafford Road , Stevensville, MD, US
Had a great experience. Danny the tech was awesome. The air conditioner is back up and running great. I would highly recommend them
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling2 years ago

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

steve I — review for Cornett Heating & Cooling
steve I
From Zach with the estimate to Wayne and his guys with the install, I could not be happier. Would definitely recommend them for any hvac work.
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling2 years ago

Thank you for taking the time to leave us the amazing feedback :)

Elizabeth Garcia (Bex) — review for Cornett Heating & Cooling
Elizabeth Garcia (Bex)
Nice person. Knowledgeable about his work and explained everything to me.
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling2 years ago

Thank you kindly for the feedback!

Stephen Bond — review for Cornett Heating & Cooling
Stephen Bond
Zach to the rescue again on one of the hottest day of the year. This time to override BG&E Peak Rewards program. My compressor was locked and wouldn’t come on after the scheduled outage. Zach overrode the wiring and got my system back to cooling.
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling2 years ago

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