★★★★★
“After a filter replacement, I noticed an immediate improvement in air quality. Thanks to MJM HVAC for the efficient service.”
RB
Rachel B.Union City
Verified4.7 ★Average rating
13,983+Jobs done
24/7Emergency service
Licensed · Upfront options · Clean work areas · Written guarantees
UNION CITY
AREA
MMMMMAREA
Primary Union City response zone
Union City 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.
9455294587
Popular neighborhoods
Hayward · Fairview · Fremont · Newark · Cherryland · Sunol · Castro Valley · San Lorenzo · Ashland · Pleasanton · Norris Canyon · Dublin
Nearby cities
Check my address →Hayward · Fairview · Fremont · Newark · Cherryland · All California cities
Reviews
What Union City Customers Say
4.9★★★★★verified reviews
★★★★★
“The crew from MJM HVAC did a fantastic job replacing my old mini split AC in Union City. They were professional and left no mess behind.”
PR
Priya R.Union City
Verified★★★★★
“The technician explained the thermostat installation and repair process clearly, making it easy for me to understand what needed to be done.”
NP
Nora P.Union City
Verified More Services
Other services in Union City, CA
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