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

Toniann Drenckhahn — review for Cornett Heating & Cooling
Toniann Drenckhahn - 126 Main Avenue Southeast , Glen Burnie, MD, US
Had my unit breakdown and Cornett was able to come the day I called and fit me in to take a look. Unfortunately ours might be on the way out but the service was great, everything was explained really well, and will be calling back when the time for a replacement!
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling2 years ago

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

Les Jones — review for Cornett Heating & Cooling
Les Jones
EXCELLENT SERVICE
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling2 years ago

Thank you for your feedback!

Baird Straughan — review for Cornett Heating & Cooling
Baird Straughan - 765 Mariners Circle , Annapolis, MD, US
The visit for the estimator Taught me a lot, but that’s as far as we’ve gone so far. Two months later: we are getting ready for the installation. A couple of points: Cornett gave a competitive bid and the equipment they use is highly rated. Plus, they handle the rebate process themselves and pass the savings on to me directly. Their Inspectors and installers have been out three times already to work with the builder to make sure that The ductwork has the correct access, which is a challenge in... Read more
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling2 years ago

Thank you for your feedback!

Sandy Hendrickson — review for Cornett Heating & Cooling
Sandy Hendrickson
Zach was very personable and professional when he came out to maintain our system. As always superb. Thank you!!
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling2 years ago

Thank you for your feedback!

Mary Kay Scott — review for Cornett Heating & Cooling
Mary Kay Scott - 560 Maynadier Lane , Crownsville, MD, US
Cornett's technicians are knowledgeable and efficient. They gave us a very good quote for a new HVAC system, and their service has been impeccable. I will definitely keep using them for our HVAC needs.
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling2 years ago

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