Find and Invite the Best Commercial HVAC Contractors in Hempstead, NY

NYC SMACNA members are heating, ventilating, air conditioning (HVAC) and sheet metal experts. Representing nearly 70 firms, our members are leaders in safety, quality assurance and excellence, regardless of the project’s size, scope and complexity.

R.A.M.S. Mechanical Inc. is a one-stop HVAC contracting company based in Brooklyn, New York, specializing in heating, ventilation, and air conditioning services, including in-house sheet metal and piping fabrication, fitting, installation, controls, and maintenance.

Founded on March 18, 1937, AAA Refrigeration Service, Inc. is a family-owned business incorporated in the state of New York, specializing in refrigeration/HVAC services, energy management, and door repairs, and has been serving for over 85 years with a commitment to quality service and education.

United Air Conditioning is a leading HVAC contractor in the greater New York City metropolitan area, providing technical expertise and quality service in all stages of the process, from preconstruction planning to installation and maintenance. With over three decades of experience, the company operates out of Long Island City and employs a team of engineers, project managers, and technicians to deliver high-quality mechanical systems for a variety of commercial and residential buildings.

Sunrise Power Solutions is a family-owned and operated company based in New York, specializing as a leading solar carport installer and providing a range of services including electrical and mechanical contracting, PV & EV charging installation, combined heat & power (CHP), and energy storage solutions (ESS) for municipal, K-12 educational, and manufacturing markets.

True Mechanical Corp is an HVAC services provider based in Bohemia, NY, with over three decades of experience offering residential and commercial heating and air conditioning systems, maintenance, and installations, as well as indoor air quality services and emergency response across Long Island.

Mamre HVAC is a trusted provider of commercial heating and air conditioning systems in the New York Tri-State Area and Long Island, offering innovative and high-quality HVAC solutions, maintenance, and repairs for over 15 years.

HAE AIR, Inc. is a commercial HVAC company with over 30 years of experience, specializing in design, installation, service, and fabrication of HVAC systems for a variety of projects in Manhattan, Brooklyn, Queens, and Long Island. They are currently expanding with a new state-of-the-art facility in Bellport, NY, and have a portfolio that includes work on hotels, theaters, and other commercial buildings.

All Seasons Air Conditioning is a full-service HVAC company serving the comfort needs of residential and commercial owners across Nassau, Suffolk, Queens, and Fire Island, NY since 1968. As the leader in the HVAC business in West Babylon, we have gained loyal customers through the years by providing unprecedented services, knowledge, and extensive experience in heating, cooling, and indoor air quality solutions.

Pro-Tec Refrigeration, LLC is a company specializing in energy management, offering control systems and equipment to help save energy and reduce costs, with services available 24/7 in Phoenix, AZ.

OSI Comfort Specialists: Comfort You Can Count On! See what a difference four generations of experience can make. Here in the New York City area, we’re used to seeing all kinds of businesses come and go. You discover a perfect date-night restaurant, only to find it replaced with a gastropub a few months later.