Air Conditioning, Furnaces, Boilers, and Refrigeration Services in East Hampton, Westhampton, Hamptons, Sag Harbor, Riverhead, Hampton Bays, Southampton and Surrounding Areas with Gas Heating & Geothermal Options
East End summers can get hot and humid. Let one of our service technicians perform a tune-up or install a new system to keep your home cool and dry.
Long Island winters can get really cold and dry. For a warm worry-free winter have your heating system tuned up. Maintenance doesn’t cost it saves.
Residential Solutions
Manufacturers We Install
WELCOME TO
WEBER & GRAHN
Air Conditioning & Heating
Weber & Grahn has been a pioneer in the industry since 1968, known for their unmatched expertise in designing, installing, and repairing heating and air conditioning systems, among many other services.
From cutting-edge indoor pool dehumidification solutions to seamlessly integrating top-notch systems with intricate architectural layouts; we are the ultimate design and installation authority.
Proudly catering to Long Island’s East End communities including East Hampton, Hampton Bays, Hamptons, Riverhead, Sag Harbor, Southampton, Westhampton, and beyond – our legacy of excellence speaks volumes.
Air Conditioning
Our dedication to providing exceptional results means our clients get dependable and efficient air conditioning solutions designed for their specific needs. With a focus on continuous improvement and customer satisfaction, we go above and beyond to exceed expectations and maintain our reputation as the Gold Standard of HVAC.
At Weber & Grahn, excellence is not just a goal — it’s a standard that defines everything we do.
Heating
W&G Service provides gas heating services like repairing and replacing gas furnaces, boilers, and converting to gas. We are Warranty Service Providers for top manufacturers, with over 50 years of experience serving clients on the east end of Long Island. Trust W&G Service for all your gas heating needs.
Ductless Mini Splits
Indoor Air Quality
Our certified engineers can design and build ventilation systems for your home, including exhaust, dust collection, humidification, and dehumidification. There are different types of ventilation systems, some connected to your HVAC system and others separate. The best type for your home depends on its usage and climate. Different ventilation systems are designed for hot and humid, cold, or mixed climates like Long Island. Take the next step in improving your Indoor Air Quality and contact Weber & Grahn today!
Service & Maintenance
Properly maintained HVAC systems operate more efficiently, which can lead to lower energy bills. Regular cleaning and tune-ups ensure that the system doesn’t have to work harder than necessary to heat or cool the space.
W&G Service can provide basic maintenance or comprehensive Service Agreements that can be custom tailored to meet your specific needs. Overall, a service maintenance agreement for your system offers convenience, cost savings, peace of mind, and the assurance that your system will continue to operate efficiently for years to come.
Why Choose Weber & Grahn?
At Weber & Grahn, we believe in providing a comfortable indoor environment for your family with precision, professionalism, and integrity.
We handle tasks like designing and installing HVAC systems for new construction, installing wine systems, and repairing existing systems. We aim for excellence in every job because our reputation relies on it. Your satisfaction is how we measure our success.
- Providing Solutions since 1968
- NATE-certified Technicians
- Mechanical & Electrical Engineers on Staff
- Known as the Gold Standard of HVAC
- Serving East and Southampton Areas
FOR AN IMMEDIATE RESPONSE CALL: 631-728-1166
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Testimonials
See What Your Neighbors Are Saying
Our Services include (but are not limited to)
Virtually anything that helps keep you and your family comfortable in your own home.
- Total Home A/C & Heating System Design, Engineering & Installation
- Gas Heating / Furnace
- Hot Water Heater Installation
- Gas Conversions
- Gas Water Heaters
- Heat Pump Installation, Repair & Replacement
- Geothermal Installations
- Geothermal Heat Pump Repair / Replacement
- Ductless Mini Split Design, Installation and Repair
- Internet Thermostats
- Wine Room Systems
- Refrigeration
We Service Most Popular Brands
At Weber & Grahn, our professionals provide top-notch service and maintenance for your system, no matter who installed it. We service most brands like Carrier, Trane, Bryant, Lennox, York, Rheem, Daikin, and Mitsubishi. Our service vans are equipped with necessary parts for quick and reliable service at your convenience.
We didn't install it?
No problem! We will still fix it!
The Comfort of Knowing
Weber & Grahn
