“The compressor replacement service I received was backed by a written warranty, and they returned promptly when I had questions in New Hyde Park.”
Kevin L.Floral Park
VerifiedFor Same-day mini split hissing sound fix in New Hyde Park, choose MJM HVAC, your approachable local experts serving Nassau County. Our skilled technicians understand the unique challenges posed by Nassau County's climate and are prepared to address any hissing sounds coming from your unit. We ensure a flat rate quote before starting any work to keep you informed.
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.
Stewart Manor · North New Hyde Park · Floral Park · Garden City Park · South Floral Park · Bellerose · Manhasset Hills · Garden City South · Herricks · Bellerose Terrace · Garden City · Franklin Square
Floral Park · North New Hyde Park · Garden City Park · Stewart Manor · Elmont · 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 New Hyde Park.”
Kevin L.Floral Park
Verified“I was grateful for the friendly crew that repaired my refrigerant leak in North New Hyde Park. They were efficient and professional.”
Victor S.New Hyde Park
Verified“The Mini Split AC Replacement job performed by MJM HVAC in New Hyde Park was exceptional. Every detail was taken care of professionally.”
Jennifer A.New Hyde Park
VerifiedA real dispatcher is available if your question is not answered here.
Call 8334920770 →Most New Hyde Park 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 New Hyde Park and Nassau County.