Coastal Construction & Building 


Finding a good heating and air conditioning company is never an easy task. Either you get quality services but pay top prices or you get affordable pricing but not quality work. Coastal Construction and Building knows this struggle well and that’s why you can always count on us for top quality work, that’s designed to fit any budget. 


For 35 years, Coastal Construction and Building has been providing a variety of HVAC, heating and air conditioning services for residential homes and commercial establishments across Long Island. With highly trained professionals and up-to-date techniques, our team is trained in every aspect of the industry from installing & repairs to ensuring your system meets the highest standards of rules & regulations.

One thing we always recommend, is never let a small problem become a big one. Unattended or unproperly repaired issues will not only have a negative impact on your system but create unexpected repair costs or health hazards. Always report any issues or concerns to us immediately so it can be fixed right away and you avoid future costly repairs or health risks. Whether it’s a no heat or no air conditioning we want to hear about it! Coastal is here to make sure your home or commercial establishment meets all rules & regulations necessary to maintain a safe environment for your family or patrons. If your looking to hire a reputable HVAC, Heating and air conditioning company in Syosset, Plainview or anywhere on Long Island, give us a call!



HVAC Services - Premier HVAC Company

·      HVAC Repair & Installation

·      Ductless Air Conditioners

·      Construction & Remodeling Ducts

·      Leak Detection & Diagnostics

·      Rooftop Units

·      Custom Duct Design

·      Heating Repair

·      Air Conditioning Install & Repair


Expert Air Conditioning & Heating Company

·      Heater Installation & Repair

·      Air Conditioner Install & Repair

·      Ducted & Ductless Mini Split Systems

·      Gas & Oil Systems

·      Propane Furnaces & Water Heaters

·      Ductless Heat Pumps & Repair

·      Leak Detection & Diagnostics


Some of our service areas:

·      Syosset

·      Plainview