non-descriptive image

Weber & Grahn Conditioning Corp

Weber & Grahn services the East End of Long Island, NY and has been doing so for over 50 years now. In 1968, Fred Weber and Eric Grahn began the business and the company has grown immensely since they time. Now with over 80 employees, Weber & Grahn is a premier HVAC company and the destination for residents of the East End of Long Island to have their HVAC systems serviced and installed. As a Trane Comfort Specialist, Weber & Grahn support their customers by providing reliable equipment with every installation. As they are keen to say, they install the best and fix the rest. One of their major advantages in the HVAC market is that they do not outsource their work. They keep it in-house with NATE certified service technicians and an on-site sheet metal fabrication shop.

Weber & Grahn can provide their Long Island customers with a multitude of services that include air conditioning, ventilation, gas heating, and geothermal projects. They complete these services with precision, professionalism, and integrity. If you are a resident of the East End of Long Island, NY, contact Weber & Grahn for your HVAC needs.



Schedule Appointment


Hampton Bays, New York 11946


NATE Certified
24/7 Emergency Service