“I was grateful for the friendly crew that repaired my refrigerant leak in Mill Neck. They were efficient and professional.”
Victor S.Centre Island
VerifiedSame-day Thermostat Installation and Repair in Centre Island, carried out by licensed local crews who know Nassau County. Our experts specialize in fitting and repairing thermostats that control your home's heating and cooling systems. With the warm, humid summers and year-round precipitation conditions typical of southeast New York, we ensure your home remains comfortable year-round. You can expect a flat-rate quote that's provided upfront to avoid any surprises.
Licensed · Upfront options · Clean work areas · Written guarantees
These are our most frequently served ZIP codes. Nearby areas may also qualify—call if you do not see yours.
Cove Neck · Bayville · Mill Neck · Lloyd Harbor · Oyster Bay Cove · East Norwich · Locust Valley · Lattingtown · Laurel Hollow · Matinecock · Upper Brookville · Cold Spring Harbor
Bayville · Mill Neck · Cove Neck · Lloyd Harbor · Oyster Bay Cove · All New York cities
“I was grateful for the friendly crew that repaired my refrigerant leak in Mill Neck. They were efficient and professional.”
Victor S.Centre Island
Verified“The Mini Split AC Replacement job performed by MJM HVAC in Centre Island was exceptional. Every detail was taken care of professionally.”
Megan S.Centre Island
Verified“The compressor replacement service I received was backed by a written warranty, and they returned promptly when I had questions in Centre Island.”
Kevin L.Bayville
VerifiedA real dispatcher is available if your question is not answered here.
Call 8334920770 →Most Centre Island calls are scheduled the same day, with 24/7 emergency response across Nassau County.
We quote a flat rate up front - typically in the range shown below - and you approve it before we begin.
Call now for fast, licensed Mini Split AC Repair anywhere in Centre Island and Nassau County.