“I received a fair quote for a ductless Mini Split system installation with no hidden upsells. MJM HVAC was transparent throughout the process.”
Sam O.Lattingtown
VerifiedFor Reliable mini split freon leak in Lattingtown, trust MJM HVAC, your certified professionals serving Nassau County. Our skilled technicians are trained to handle any freon leak issue, ensuring your system runs efficiently. High temperatures during warm, humid summers in southeast New York often lead to these problems, and we provide a flat-rate quote to address the leak before commencing work, covering all 1 ZIP codes in Lattingtown.
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.
Locust Valley · Mill Neck · Matinecock · Bayville · Glen Cove · Glen Head · Upper Brookville · Centre Island · Old Brookville · Sea Cliff · East Norwich · Glenwood Landing
Locust Valley · Glen Cove · Bayville · Mill Neck · Matinecock · All New York cities
“I received a fair quote for a ductless Mini Split system installation with no hidden upsells. MJM HVAC was transparent throughout the process.”
Sam O.Lattingtown
Verified“Scheduling air quality solutions with MJM HVAC was so easy, and they arrived on-time in Nassau County to tackle my issues.”
Olivia G.Glen Cove
Verified“I was impressed by the thorough maintenance service from MJM HVAC when my Mini Split AC wasn't functioning properly. They fixed issues that others had overlooked near Locust Valley.”
Carlos V.Locust Valley
VerifiedA real dispatcher is available if your question is not answered here.
Call 8334920770 →Most Lattingtown 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 Lattingtown and Nassau County.