★★★★★
“The team at MJM HVAC did a fantastic job on my Mini Split AC replacement! They were clean, professional, and I'm extremely satisfied with the new unit.”
MS
Megan S.Black Diamond
Verified4.7 ★Average rating
13,983+Jobs done
24/7Emergency service
Licensed · Upfront options · Clean work areas · Written guarantees
BLACK DIAMOND
AREA
MMMMMAREA
Primary Black Diamond response zone
Black Diamond 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.
98010
Popular neighborhoods
Ravensdale · Maple Valley · Lake Morton-Berrydale · Covington · Lake Holm · Shadow Lake · Hobart · Enumclaw · Auburn · Lake Tapps · Maple Heights-Lake Desire · Mirrormont
Nearby cities
Check my address →Maple Valley · Lake Morton-Berrydale · Ravensdale · Covington · Lake Holm · All Washington cities
Reviews
What Black Diamond Customers Say
4.9★★★★★verified reviews
★★★★★
“The filter replacement service from MJM HVAC was efficiently handled, and I'm relieved to have cleaner air in my home now!”
TG
Tony G.Black Diamond
Verified★★★★★
“I was having trouble with my Mini Split AC maintenance after another company gave up. MJM HVAC came to my rescue and fixed everything efficiently - highly recommended!”
CV
Carlos V.Maple Valley
Verified More Services
Other services in Black Diamond, WA
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