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

100 Evanfield Court ,Severna Park, MD, US

We've just wrapped up an installation in Millersville, MD, where our team at Cornett Heating & Cooling put in a high-performance Bosch 3-ton heat pump. This new heat pump will provide the customer with improved energy efficiency and comfort throughout the seasons. At Cornett Heating & Cooling, we take pride in offering reliable repairs and installations that bring lasting value to our clients.

100 Evanfield Court , Severna Park, MD, US
7
  • Our Services
  • Our Services: Repairs

665 Willowby Run ,Pasadena, MD, US

In Pasadena, Maryland, we at Cornett Heating & Cooling recently completed the installation of a top-of-the-line Bosch 4-ton heat pump for our valued customer. Delivering exceptional HVAC solutions, our team brings years of expertise in providing reliable heating and cooling services. Specializing in a comprehensive range of services, including repairs and maintenance for air conditioning and heating systems, we ensure both residential and commercial properties operate efficiently. As we celebrate our legacy since the early '90s, our commitment to customer satisfaction remains unwavering, backed by hundreds of 5-star reviews. Join our satisfied clients and schedule your appointment today with the leading experts in Anne Arundel County.

665 Willowby Run , Pasadena, MD, US
9
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  • Our Services: Repairs

Customer Reviews

Tina Bradshaw — review for Cornett Heating & Cooling
Tina Bradshaw - 546 Benfield Road , Severna Park, MD, US
Always amazing service- all of the Cornett Heating and Cooling professionals are courteous and timely, and do the utmost quality job. Their knowledge of these complicated systems is incredible. I wouldn’t trust anyone else with our systems. They work in both our business units and home units and we refer them to all of our real estate clients. We have never had a complaint! Thank you for being the best! Tina Bradshaw Monument Sotheby’s International Realty.
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling3 months ago

Thank you so much for your amazing review, Tina! We truly appreciate your continued trust in our team and support of our small business!

Kristen Swartz — review for Cornett Heating & Cooling
Kristen Swartz - 317 Lynwood Drive , Severna Park, MD, US
Excellent all around! Great service and super reliable! Highly recommend!
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling2 years ago

Thank you for your kind words!

Donna Ball — review for Cornett Heating & Cooling
Donna Ball
I am a Realtor and Cornett is one of my top go-to HVAC contractors for both my personal property as well as to refer to clients for their HVAC needs. They are responsive, their technicians are personable and knowledgeable, and their prices are reasonable. They make it hard for me to recommend anyone else!
Wayne Howard — review for Cornett Heating & Cooling
Wayne Howard - 24 Whites Road , Severna Park, MD, US
Free no obligation estimate to replace my home a/c unitand furnace
Mesh Mahan — review for Cornett Heating & Cooling
Mesh Mahan - 42 Cedar Road , Severna Park, MD, US
I’ve had a few experiences with Cornett over several years. The first was for an urgent repair - I called them from Google search and they were at my house that day to survey next steps! They repaired my system a few times trying to help me avoid more expensive replacement until after Covid and I was reemployed. Then came time for an entire system replacement earlier this year. Major and unexpected investment at the worst time - in winter when the old system just stopped working completely.... Read more
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling2 years ago

Thank you for your amazing feedback! We are glad we could help and appreciate your continued business!