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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
  • 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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Cindy Gardner - 4 Leeward Court , Annapolis, MD, US
I had a 14 year old Trane and expected it to last longer but since I acquired my current home 6 years ago when the unit was only 8 years old, I've had 3 incidents of repairs and this latest issue I decided not to put more money into an old system. I decided on a BOSCH 2 TON 18 SEER HVAC. A colleague had recommended Josh Cornett to me in 2017 and I quickly realized he would be a go-to I could trust for not only his knowledge and experience but also his professional code of ethics. Cornett H&C is... Read more
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Nini Goodwin - 1 Luna Lane , Severna Park, MD, US
We love Cornett! Always quick to respond, come out to our house and get the job done, honest and reliable. Could not be happier! Many thanks
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Deborah Cartee - 8028 Horicon Point Drive , Millersville, MD, US
Danny Davidson is always professional and helpful.
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Allen Dunham - 346 Green Aspen Court , Millersville, MD, US
General system check and routine maintenance service on (7/10/23). Fixed heat issue on 11/2/23. Always efficient service. Would not use any other company for any of my HVAC needs. Great repair work at a reasonable price.
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Matt Bruffey - 504 Silverbark Court , Millersville, MD, US
Fast response, Professional and friendly. Almost impossible to come by this kind of service these days. Highly recommend. With this level of service they will have a customer for life. Thanks Cornett!!!