★★★★★
“After experiencing problems with my mini split AC, I called MJM HVAC for same-day repair. They provided a fair, upfront price and had it fixed quickly. Highly recommend!”
SK
Sarah K.Waltham
Verified4.7 ★Average rating
13,983+Jobs done
24/7Emergency service
Licensed · Upfront options · Clean work areas · Written guarantees
WALTHAM
AREA
MMMMMAREA
Primary Waltham response zone
Waltham 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.
0245302451024520245402455
Popular neighborhoods
Newton · Hanscom AFB · Cambridge · Somerville · Cochituate · Medford · Woburn · West Concord · Boston · Everett · Malden · Pinehurst
Nearby cities
Check my address →Newton · Hanscom AFB · Cambridge · Somerville · Medford · All Massachusetts cities
Reviews
What Waltham Customers Say
4.9★★★★★verified reviews
★★★★★
“I trusted MJM HVAC for condenser cleaning in Waltham, and they proved me right. They were knowledgeable and got it done the first time.”
OJ
Omar J.Waltham
Verified★★★★★
“I received an honest ductless mini split systems quote from MJM HVAC in Waltham. No upsell or surprises, just great service.”
SO
Sam O.Waltham
Verified More Services
Other services in Waltham, MA
01Mini Split AC InstallationFast Mini Split AC Installation in Waltham, hand↗02Mini Split AC RepairReliable Mini Split AC Repair in Waltham, handle↗03Mini Split AC MaintenanceSame-day Mini Split AC Maintenance in Waltham, c↗04Mini Split AC ReplacementReliable Mini Split AC Replacement in Waltham, h↗05Ductless Mini Split SystemsFast Ductless Mini Split Systems in Waltham, han↗
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