★★★★★
“I was relieved that MJM HVAC could handle my condenser cleaning efficiently, and I appreciate their local knowledge of Dering Harbor conditions.”
OJ
Omar J.Dering Harbor
Verified4.7 ★Average rating
13,983+Jobs done
24/7Emergency service
Licensed · Upfront options · Clean work areas · Written guarantees
DERING HARBOR
AREA
MMMMMAREA
Primary Dering Harbor response zone
Dering Harbor service coverage
Is your ZIP on the route?
These are our most frequently served ZIP codes. Nearby areas may also qualify—call if you do not see yours.
11964
Popular neighborhoods
Greenport West · Shelter Island Heights · East Marion · Orient · North Haven · Sag Harbor · Peconic · Noyack · Northwest Harbor · Cutchogue · New Suffolk · Wainscott
Nearby cities
Check my address →Greenport West · East Marion · Shelter Island Heights · Orient · North Haven · All New York cities
Reviews
What Dering Harbor Customers Say
4.9★★★★★verified reviews
★★★★★
“Scheduling air quality solutions with MJM HVAC was so easy, and they arrived on-time in Suffolk County to tackle my issues.”
HF
Hannah F.East Marion
Verified★★★★★
“The technician from MJM HVAC clearly explained the thermostat installation and repair process, which made it easy for me to understand what was needed.”
NP
Nora P.Dering Harbor
Verified More Services
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