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

Al Jarboe — review for Cornett Heating & Cooling
Al Jarboe
The guys did a fantastic job and very inforemative with the operation of my new unit. Also did a fantastic job of cleaning up after the work was done. I recommend this company to anyone looking for heating and cooling their home or work place. I would give them the highest rating I can give !!!!!!!! We give this course and employees an A Plus for their work!!!!!!! We had your tech come early to check out our system and he was very efficient with service about letting us know how our unit is work... Read more
Cornett Heating & Cooling response
Response from Cornett Heating & Coolinga year ago

Thank you for taking the time to leave us amazing feedback. We appreciate your business and glad we could help!

Michael Prin — review for Cornett Heating & Cooling
Michael Prin
Excellent and timely service. I am extremely satisfied.
Raymond Chadwick — review for Cornett Heating & Cooling
Raymond Chadwick
True professionals!
pj frantzen — review for Cornett Heating & Cooling
pj frantzen
Josh came out and explained everything he was doing. He was professional and knowledgeable!
Schriber Mark — review for Cornett Heating & Cooling
Schriber Mark
We are very happy with the service we receive from Cornett HVAC. We definitely recommend them for their great work, on time and friendly service. It is three years now that we have been dealing with Cornet. Today Zach came by to change a part in our AC unit that was damaged by a power surge. We are very thankful to have people like him that know what they are doing working on our system. Like always the service was exceptional!
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling2 years ago

Thank you for your kind words!