Boiler Repair Oyster Bay

Diamond HVAC is a full-service heating, ventilation and air-conditioning contractor for residential and commercial customers. Our technicians have the training, tools and experience to handle a complete range of heating, air-conditioning and air-quality services. We install, maintain and repair residential & commercial: Heating - oil, gas, electric, boiler, radiant Air conditioning: electric, heat-pump Air quality systems: filtration & UV We are committed to complete customer satisfaction through professional and personal services.

In our pursuit to be on the cutting edge of our industry, we have updated our site to better serve our clients and associates. We have added an ftp site to host our drawings, as well as updated our project and client lists.

Your Premier Long Island Plumbing, Heating, and Cooling Team EARNING THE TRUST OF LONG ISLAND FAMILIES FOR OVER 60 YEARS Book online Plumbing, HVAC Services Plumbing Heating Cooling Trusted Local Services Award-Winning Team Our dedication to excellence has helped us earn multiple awards over the years, including “Best of Long Island 2023” presented by the Bethpage Federal Credit Union. Emergency Services When you need help fast, the Varsity Home Service team strives to provide same-day heating, cooling, and plumbing services whenever possible. You can use our online appointment tool or chat to contact us any time! Family Owned & Operated Varsity Home Service is a well-established Long Island home services company that has been in operation for over 60 years with three generations of family members. Gallery Take a look at our team photos, including some of our finest work in home services. Limited Time Offers Flexible Financing with Approved Credit Varsity Home Service offers fair prices and flexible financing with approved credit, which makes it easier to budget for the plumbing and HVAC services you need for your Long Island home. Contact us today to learn more or to schedule a free, in-home consultation. Air Conditioning Tune-Up Special $149.95 for A/C Tune-Up Plus 1 Year MVP Club Membership. Membership includes discounts on repairs, discounts on equipment replacement, annual maintenance service, and exclusive members-only offers. Maintenance Plans Varsity Home Service offers maintenance plans to suit the needs of every home. Contact us today to learn more about our Long Island maintenance plan options and to schedule a free, no-obligation consultation.