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, 410-647-6979

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

1822 Braddock Drive , Crofton, MD, US

Daikin Fit 3 Ton Heat pump, 3 ton Daikin fit Gas Furnace combo. Before and after

  • Our Services
  • Our Services: Full Installs
132 Idlewild Road , Severna Park, MD, US
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  • Our Services: Full Installs
1246 Harbor Glen Court , Arnold, MD, US

Two 4 ton Heat Pumps

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  • Our Services: Full Installs
12 Saint Andrews Crossover , Severna Park, MD, US

Daikin 3.5 Ton Fit Gas furnace

  • Our Services
  • Our Services: Full Installs
156 River Road , Pasadena, MD, US

Bosch 2 Ton Heat Pump. Before and after

  • Our Services
  • Our Services: Full Installs

Customer Testimonials

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Kate Perrie - 419 Colonial Ridge Lane , Arnold, MD, US
Friends told me about Cornett Heating and Cooling . . . and I've been very happy with their recommendation. Cornett replaced my oil furnace with an electric heat pump and air handler system. They've been responsive to my requests, are highly professional, helpful, and I'm happy to recommend them.
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Brenda Lurie - 592 Kevins Drive , Arnold, MD, US
Danny did a great job diagnosing the problem with our heating system. He was very thorough and explained what he was doing. After determining that our thermostat was bad, he replaced it with a thermostat that we had previously installed. He was very professional. I highly recommend Cornett Heating and Air Conditioning.
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Shelley Gallagher - 781 Abigail Wynd Court , Severna Park, MD, US
Very professional service, very polite, answered all my questions.
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Elizabeth Stone - 825 Freeland Court , Gambrills, MD, US
These folks installed my new HVAC system and are checking on it every 6 months to be sure it is functioning properly. They respond to questions right away and do a wonderful job. Very satisfied!
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Michael Huber - 273 Ross Landing Road , Severna Park, MD, US
No nonsense and very professional!