Enhance your indoor comfort with Heating, Air Conditioning and HVAC services from Coastal Construction & Building

Your top Long Island provider of Commercial & Residential HVAC services 


Since 1985, Coastal Construction and HVAC has been providing residential & commercial property owners with a variety of HVAC services. Knowing how crucial your heating, ventilation and air conditioning systems are to your home or establishment, we are here to build you comfort for any environment. Through proper temperature, humidity and air control, Coastal Construction and HVAC will ensure your climate control system is up and running so you don’t have to!


We offer energy saving, budget-friendly and eco-friendly solutions that are individually designed for a range of properties, from residential homes to commercial buildings and food establishments. Whether your looking to install a completely new HVAC system or need service and repair, Coastal Construction and Building will help you every step of the way. Do you have no heat or no air conditioning? Our service department is here to help you!


When an HVAC unit is properly installed, maintained or repaired, it will significantly extend the longevity of the equipment, provide improved system efficiency and ensure your unit is safely operating. Coastal Construction and Building stays up-to-date on the latest advancements in HVAC equipment and solutions, so you can rest assured your unit is always running accordingly.  If your looking for a reputable heating, air conditioning company (HVAC) in Bellmore, Merrick, Wantagh or anywhere else on Long Island, please give is a call.


What can Coastal Construction and HVAC offer you or your business?

  • Affordable, professional services you can count on

  • Complete temperature and air quality control

  • Maximize your HVAC system and energy goals

  • Will inspect and evaluate your HVAC unit and make any needed repairs or adjustments

  • Customized preventative maintenance plans to avoid long term costly repairs


HVAC Services - Expert HVAC Company

  • HVAC Design & Installation

  • Ductless Air Conditioners

  • Construction & Remodeling Ducts

  • Leak Detection & Diagnostics

  • Rooftop Units

  • Custom Duct Design

  • Heating Repair

  • Air Conditioning Install & Repair


Premier Heating & Air Conditioning 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:

  • Bellmore

  • Merrick

  • Wantagh