Full-Service Heating and Cooling Company

We can service all of your residential and commercial heating, air conditioning, and ventilation needs.

residential home

ABOUT COASTAL AIR

We know the importance of heating and cooling for your comfort.

cooling service

HEATING

cooling service

COOLING

cooling service

AIR QUALITY

cooling service

GAS PIPING

HEATING
cooling service

HEATING

COOLING
cooling service

COOLING

AIR QUALITY
cooling service

AIR QUALITY

GAS PIPING
cooling service

GAS PIPING

We offer Maintenance Plans that are specialized to your needs.

maintenance man

Testimonials & reviews

Hope you found your service to meet or exceed your expectations.
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Steve Costin, Middletown, DE

“Honest, informative, thorough, competitive prices, job well done”

Linda F., Harrington, DE

“Karl was very responsive and timely in providing necessary information, quote, completing the work, and related follow ups. his service and his work was top notch. He kept things simple and easy starting with a reasonable and competitive quote for his work, and answered all of our questions with honest and direct responses, which made it easier to decide. Karl is a nice guy who does good quality work, cares about his customers’ interests and tries to earn their trust.”

Paul W., Dover, DE

“He worked with our schedule and was prompt and courteous. Work done was the highest of standards and will use him again for all future needs.”

Zoltan B., Lewes, DE

“A great experience! Their communication and service is excellent. They quickly responded to our request for an estimate to provide a central heating system to replace old electric baseboard heat. They were on time for every appointment and listened to exactly what we were trying to accomplish in our home. They also provided great options at the best prices. All work was done well and very neat ensuring that everything was clean before they left. If you are looking for someone to do your HVAC work, do yourself a favor, stop looking and call Coastal Air. I will use them for any future service and would recommend him to anyone. ”

John S., Harrington, DE

“Very satisfied with the overall experience. Coastal Air provided estimates in a timely manner, discussed various aspects of the estimate. They were responsive in scheduling the installation and completed the work in a timely manner. Coastal Air provided full explanation of the operations of the new system. As a customer, I had a pleasant experience with Coastal Air from beginning to the completion of the project.”

Tammy T., Camden, DE

“Coastal Air was easy to work with, always on time & did a great job on installing my new condensing oil furnace. It was the first condensing oil furnace that they had installed & he welcomed the challenge & got the job done ahead of schedule. Thanks for the great service & work.”

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