★★★★★
“When my mini split AC broke down unexpectedly, MJM HVAC was there within the hour. They diagnosed the problem quickly and had it running in no time!”
MT
Marcus T.Herndon
Verified4.7 ★Average rating
13,983+Jobs done
24/7Emergency service
Licensed · Upfront options · Clean work areas · Written guarantees
HERNDON
AREA
MMMMMAREA
Primary Herndon response zone
Herndon 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.
17830
Popular neighborhoods
Port Trevorton · Dalmatia · Pillow · Freeburg · Selinsgrove · Berrysburg · Hummels Wharf · Kreamer · Mount Pleasant Mills · Klingerstown · Shamokin Dam · Gratz
Nearby cities
Check my address →Port Trevorton · Dalmatia · Pillow · Selinsgrove · Freeburg · All Pennsylvania cities
Reviews
What Herndon Customers Say
4.9★★★★★verified reviews
★★★★★
“The compressor replacement I needed was backed by a warranty from MJM HVAC. They honored it and returned without charge - amazing service!”
ER
Ethan R.Port Trevorton
Verified★★★★★
“The technician from MJM HVAC clearly explained the thermostat installation and repair. I felt informed and confident in their work.”
LH
Luis H.Herndon
Verified More Services
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