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Cornett Heating & Cooling

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.


Check out some important pages from our company's website:


Read what 300+ clients have said about our services:

Our Work

2529 Running Wolf Trail , Odenton, MD, US
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  • Our Services: Repairs
40 Hearthstone Court , Annapolis, MD, US
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  • Our Services: Annual Maintenance Program
18 Saint Ives Drive , Severna Park, MD, US
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  • Our Services: Repairs
302 Smith Avenue , Severna Park, MD, US
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  • Our Services: Annual Maintenance Program
238 Waycross Way , Arnold, MD, US

See the power of Bosch systems! This 5-ton unit was expertly installed by Cornett Heating & Cooling for a client in Arnold, Maryland – all in a single day. Discover the quality and efficiency we bring to your area by viewing our interactive portfolio.

  • Our Services
  • Our Services: Full Installs

Customer Testimonials

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Chris Blanchet - 641 Cove Terrace , Arnold, MD, US
My AC stopped working and Cornett Heating & Cooling was able to have someone out the same day. Danny was able to get out to my house earlier than expected and had my system back up and running within 20 minutes. Thanks to Danny and the team at Cornett H&C, true professionals!
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Andrew Ascione - 1434 Richardson Street , Baltimore, MD, US
As always: helpful, knowledge, and great to work with. The biggest thig is: you can count on them to be honest. They won't try to sell you a new unit if you don't need one yet. Oh, and the guy who came out to my house appreciates dogs, so bonus points for that.
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Jim Bezelik - 22 Milburn Circle , Pasadena, MD, US
Thanks for the fast response!! Would refer anytime.
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Connie Carter - 8 Burnham Wood Court , Annapolis, MD, US
Danny explained everything in detail ! He was wonderful. I will recommend Cornett to any people that need service for heating and air service. Thank you, Connie Carter Thank you, Connie
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Stephen Somerville - 518 Deerhorn Court , Millersville, MD, US
Our AC had an issue last night, we called this morning, and a tech was scheduled for 2:30 and arrived at 11:30! They did an amazing job and my family now has working AC on a hot summer day. Danny and the company are awesome!