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
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  • 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
  • Our Services
  • Our Services: Repairs

Customer Reviews

Giovanni Busacca — review for Cornett Heating & Cooling
Giovanni Busacca
Absolute Professionals – Highly Recommend! ​I cannot say enough good things about Cornett Heating & Cooling. I reached out to them for service and was incredibly impressed by how prompt and courteous they were right from the start. They arrived exactly when they said they would and were exceptionally respectful of my home throughout the entire visit. ​What really stood out to me was their honesty. Instead of trying to push unnecessary parts or high-pressure sales tactics, they gave me a straight... Read more
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling2 months ago

Giovanni, thank you for your fantastic review and for trusting Cornett Heating & Cooling. We’re glad our team was prompt, respectful, and provided an honest assessment without any high-pressure sales. Integrity and professionalism are core to how we operate, and we appreciate you recognizing that. We look forward to serving you for years to come and are here anytime you need us.

Brian Latta — review for Cornett Heating & Cooling
Brian Latta
Received an AC/Heat Pump check up. Service from Will was great. Will be using again.
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling2 months ago

Thank you, Brian, for the 5-star review. We're glad Will provided great service during your AC/heat pump checkup. We appreciate your trust and look forward to helping you again—please call us anytime for future service.

Donna Hagaman — review for Cornett Heating & Cooling
Donna Hagaman
Young man was on time courtious used his booties to keep my floors clean after the rain actually looked at a few other things the previous companies did not which makes me say he was more therow than the others
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling2 months ago

Thank you for the kind review, Donna. We're glad our technician arrived on time, was courteous, and used booties to keep your floors clean after the rain. We appreciate you noticing his extra attention to details that other companies missed. We look forward to serving you again.

Pam Roberts — review for Cornett Heating & Cooling
Pam Roberts
The tech, Chris, was great! He was very knowledge, helpful regarding my questions and extremely courteous. Cornett came out to fix my issue very quickly and I am very pleased with everything they did from beginning to end. I will definitely call them again for any HVAC needs and I would highly recommend them to all my friends and family! Thank you, Cornett and Chris!
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling2 months ago

Thank you for the wonderful review and for recommending us to your friends and family. We’re thrilled Chris and the Cornett team were knowledgeable, courteous, and quick to resolve your HVAC issue. We appreciate your trust and look forward to helping with any future needs.

Tammy Goldman — review for Cornett Heating & Cooling
Tammy Goldman
They were ontime, thorough and always dependable with feedback and the work they have completed. We highly recommend Cornett Heating and Cooling!
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling2 months ago

Thank you, Tammy. We're thrilled to hear our team was on time, thorough, and dependable. We appreciate your recommendation and look forward to helping you with any future heating and cooling needs.