“The compressor replacement service I received was backed by a written warranty, and they returned promptly when I had questions in Alexandria Bay.”
Kevin L.Plessis
VerifiedReliable replace ductless circuit board in Alexandria Bay, carried out by certified local crews who understand Jefferson County. Our experts are trained to diagnose and rectify issues caused by the humid continental challenges unique to Jefferson County. We ensure a detailed assessment and provide a flat-rate quote to address the malfunction quickly and effectively, restoring your system without hassle.
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.
Plessis · Redwood · Fishers Landing · Thousand Island Park · La Fargeville · Oxbow · Depauville · Evans Mills · Calcium · Pamelia Center · Fort Drum · Morristown
Plessis · Redwood · Fishers Landing · Thousand Island Park · La Fargeville · All New York cities
“The compressor replacement service I received was backed by a written warranty, and they returned promptly when I had questions in Alexandria Bay.”
Kevin L.Plessis
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 Plessis.”
Robert H.Plessis
Verified“I received a fair quote for a ductless Mini Split system installation with no hidden upsells. MJM HVAC was transparent throughout the process.”
Tyler B.Alexandria Bay
VerifiedA real dispatcher is available if your question is not answered here.
Call 8334920770 →Most Alexandria Bay calls are scheduled the same day, with 24/7 emergency response across Jefferson 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 Alexandria Bay and Jefferson County.