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

Karen Harper — review for Cornett Heating & Cooling
Karen Harper - 45 Fox Run Way , Arnold, MD, US
They showed up on time (early, even!) and were very professional. They introduced themselves at the door, put on shoe covers anytime they came in, laid down tarps as the were working and then showed me everything they had done and asked if it was to my satisfaction.
Cornett Heating & Cooling response
Response from Cornett Heating & Coolinga year ago

Thank you for your wonderful feedback! We appreciate your business!

Tracey Wells — review for Cornett Heating & Cooling
Tracey Wells - 290 Marlinspike Drive , Severna Park, MD, US
The service technician was professional and on time. We were happy with the service options provided and grateful to have our A/C running before summer hits.
Cornett Heating & Cooling response
Response from Cornett Heating & Coolinga year ago

Thank you for your 5-star review! Glad we could help!

Christopher Klau — review for Cornett Heating & Cooling
Christopher Klau
Guys we’re very professional
Leonard Precht — review for Cornett Heating & Cooling
Leonard Precht - 320 South Drive , Severna Park, MD, US
Did the job was done accidentally? The men was very notify and get everything correctly. You couldn’t ask for a better company to do your heating and cooling. I recommend them highly.
Cornett Heating & Cooling response
Response from Cornett Heating & Coolinga year ago

Thank you for your kind words and 5-star review!

Steve Ball — review for Cornett Heating & Cooling
Steve Ball - 469 White Cedar Lane , Severna Park, MD, US
Mechanic showed up on time and was very professional. I am very pleased with his effort solve our AC issue at a fair price. I would recommend Cornett H&C to anyone.
Cornett Heating & Cooling response
Response from Cornett Heating & Coolinga year ago

Thank you for your kind words and 5-star review! We appreciate the support!