NH Ross is a full-service residential air conditioning and heating contractor that specializes in oil-to-gas conversions and maintenance, repair, and replacement of gas boilers, furnaces, and heat pumps. The company also offers central A/C, mini-splits, smart thermostats, and indoor air quality solutions. NH Ross offers same-day installs and service. Financing is available. Estimates on equipment replacements are free.

NH Ross honors manufacturer warranties and offers a 100 percent satisfaction guarantee as well as partner plan memberships that include additional benefits.

The local, family-owned company was established in 1971.

NH Ross is A+ Rated and Accredited with the BBB, is a HomeAdvisor Elite Service company, and has won multiple Best of Long Island awards.

Albertson, Amityville, Atlantic Beach, Babylon, Baldwin, Bay Shore, Bayport, Bayville, Bellmore, Bethpage, Blue Point, Bohemia, Brentwood, Brightwaters, Carle Place, Cedarhurst, Centereach, Centerport, Central Islip, Cold Spring Harbor, Commack, Copiague, Coram, Deer Park, East Islip, East Meadow, East Northport, East Norwich, East Rockaway, East Setauket, Elmont, Farmingdale, Farmingville, Floral Park, Franklin Square, Freeport, Garden City, Glen Cove, Glen Head, Glenwood Landing, Great Neck, Great River, Greenlawn, Greenvale, Hauppauge, Hempstead, Hewlett, Hicksville, Holbrook, Holtsville, Huntington Station, Huntington, Inwood, Island Park, Islandia, Islip Terrace, Islip, Jericho, Kings Park, Lake Grove, Lawrence, Levittown, Lindenhurst, Locust Valley, Long Beach, Lynbrook, Malverne, Manhasset, Massapequa Park, Massapequa, Medford, Melville, Merrick, Mill Neck, Miller Place, Mineola, Mount Sinai, Nesconset, New Hyde Park, North Babylon, Northport, Oakdale, Ocean Beach, Oceanside, Old Bethpage, Old Westbury, Oyster Bay, Patchogue, Plainview, Point Lookout, Port Jefferson Station, Port Jefferson, Port Washington, Rockville Centre, Ronkonkoma, Roosevelt, Roslyn Heights, Roslyn, Saint James, Sayville, Sea Cliff, Seaford, Selden, Smithtown, Stony Brook, Syosset, Uniondale, Valley Stream, Wantagh, West Babylon, West Hempstead, West Islip, West Sayville, Westbury, Williston Park, Woodbury, Woodmere, Wyandanch