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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.


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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
  • Our Services
  • 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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John Horrigan
Josh Cornett and Cornett Heating and Cooling are hands down the best HVAC company around. His service team and office staff are beyond professional and go the extra mile to make sure the customer is satisfied. I had an extremely complex issue, which was solved with EASE!! Josh, personally, came out to the job, from start to finish. You truly can't get a better person, a more reputable company and friendlier staff than Cornett Heating and Cooling... Not to mention, they were HALF the cost of... Read more
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Bob Carey
Michael came out to give me a quote to replace my heat pump and he was very personable and knowledgeable.
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dan howe
Excellent customer service and communication during regular maintenance and the installation of a new AC unit
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Robatochan
I like the way everything was explained at the estimate and again before starting the job, and the work was all very professionally done.
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Roger Winstanley - 712 Cypress Road , Severna Park, MD, US
Great, friendly, thorough service.