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.


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Read what 300+ clients have said about our services:

Our Work

16 Linda Lane , Severna Park, MD, US
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820 Oak Grove Circle , Severna Park, MD, US

Cornett HVAC installed this Daikin 18K BTU Single Zone Minisplit unit for our friends over in Severna Park Maryland. The Daikin Single Port Mini Split 2 Ton offers efficient and powerful climate control, providing reliable heating and cooling solutions in a compact and versatile design. At Cornett, we provide services for residential and commercial properties, from full installs to small repairs. Our goal is to provide great customer service to all of our customers, so no job is too big and no job is too small. Give us a call today, 410-801-7771.


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1822 Braddock Drive , Crofton, MD, US

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

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132 Idlewild Road , Severna Park, MD, US
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1246 Harbor Glen Court , Arnold, MD, US

Two 4 ton Heat Pumps

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  • Our Services: Full Installs

Customer Testimonials

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Jade Murphy
We had a great experience with Cornett Heating & Cooling. We had our outdoor A/C replaced as well as our furnace replaced. Both were still functioning but definitely on their last legs, so we decided to tackle this project before the summer really hit. Zach was very kind and respectful when entering our home to go over our project needs and estimates. He explained things clearly and answered all my questions as we went through our old equipment. We decided to go with a Bosch system for our A/C a... Read more
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Jeffrey Dixon
Gabriel was prompt, efficient, professional and polite. Can’t ask for more than that.
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Tim Colletti
Mike was great. He came as a follow up to a maintenance checkup and fixed the issues that were found. Very honest and doesn't try to charge you for unnecessary things. Highly recommend.
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Barbara McMillan
Cornett is the best HVAC company in the business— in my experience!
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GARY ZEIDERS
Arrived on time (Important to me). Michael was professional, as well as, extremely knowledgeable. He answered all of my questions.