Take a look at our past work!

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
  • Our Services
  • 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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Ashley Blackmon - 616 Waterview Drive , Riviera Beach, MD, US
Recently got an Install done by others. I reached out to Cornett because they have years of Knowledge with this brand of unit. I had concerns on the functionally of my unit and wanted a second opinion. I called Cornett Spoke to there wonder Service Coordinator giving her my WHOLE life story. I can not remember her name and i apologize about that. She got me in contact with the Office Manager Julie who called me back with the Operations Manager Danny. They listened to my concerns and answered que... Read more
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Alvina Williams - 626 Shore Forest Drive , Glen Burnie, MD, US
Very professional and knowledgeable team, also the best customer service from the office and the individuals who came to our home and serviced our HVAC System. Zach and the other team member were very professional,courteous and knowledgeable. We do appreciate Cornett Heating & Cooling Service very much,it is the best HVAC Company Service. Sincerely Alvina Williams
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Casey Stidham - 3 River Drive , Severna Park, MD, US
Fast response and excellent customer service.
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Richard Landau
Great service and price!
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Linwood Hayman (Lin)
Quick response to my problem. Mike was awesome in identifying the issue & scheduled the repair.