Browse the Top HVAC Companies Serving Hauppauge, NY

Big City Plumbing delivers expert plumbing and heating solutions across New York City, Nassau, and Suffolk counties. Specializing in gas conversions, boiler installations, and tankless water heaters, we combine Navien-certified expertise with energy-saving rebates to reduce client costs. Established in 1988, our licensed team provides residential and commercial services with a focus on reliability, safety, and customer satisfaction.

Twin Air Inc. is a family-owned HVAC contractor serving Long Island since 1987. We specialize in heating, air conditioning, indoor air quality, and hot water heater solutions for residential and commercial clients. Our hands-on approach ensures quality installations, prompt service, and energy-efficient systems tailored to client needs.

NH Ross delivers premium plumbing, HVAC, and electrical services to Long Island homes. Family-owned since 1971, we combine technical expertise with a customer-centric approach. Our licensed professionals ensure reliable solutions for comfort, safety, and efficiency.

Wales Darby is a family-owned HVAC equipment distributor serving NY/NJ/PA since 1974. We provide energy-efficient systems, technical support, and training for building owners, contractors, and engineers through partnerships with 30+ top manufacturers.

Apple Air Conditioning & Heating provides expert HVAC, plumbing, and electrical services to residential customers on Long Island. Established in 1985, we deliver reliable solutions for heating, cooling, and home comfort systems. Our commitment to quality includes certified technicians, energy-efficient products, and 24/7 emergency support for members.

Kings Park Heating & Air provides comprehensive HVAC services for residential and commercial properties across Long Island. With over 20 years of experience, we specialize in heating, cooling, and air quality systems installation, maintenance, and emergency repair. Our certified technicians use advanced technology to deliver energy-efficient solutions that enhance comfort and reduce costs.

Farmingdale Plumbing Heating and Cooling delivers comprehensive plumbing, heating, and air conditioning solutions for residential and commercial properties. We offer installation, repair, maintenance, and emergency services backed by licensed technicians and advanced technology. Our services ensure efficient, cost-effective comfort systems tailored to meet diverse client needs across the New York area.

Domino Fuel delivers discount home heating oil and HVAC services to residential and commercial customers on Long Island. We offer automatic delivery programs, emergency oil delivery, burner tuneups, and tank services, ensuring reliable and efficient heating solutions. With over 35 years of experience, we combine competitive pricing with a commitment to quality and customer care.

Elite Comfort Group specializes in heating, cooling, and water filtration services for residential and commercial clients across Long Island and Fire Island. Our certified technicians deliver expert AC installation, heating repairs, and water filtration solutions while maintaining 24/7 emergency availability. We combine advanced technology with personalized service to ensure optimal comfort and system efficiency for every client.

Shona Mechanical provides expert HVAC installation, maintenance, and emergency repair services for commercial properties and healthcare facilities. With over 13 years of experience and a team boasting 30+ years of combined expertise, we specialize in energy-efficient systems for hospitals, universities, and businesses across New York City and Long Island.