★★★★★
“The technician explained the thermostat installation and repair process very clearly. I'm glad I chose MJM HVAC!”
NP
Nora P.Theresa
Verified4.7 ★Average rating
13,983+Jobs done
24/7Emergency service
Licensed · Upfront options · Clean work areas · Written guarantees
THERESA
AREA
MMMMMAREA
Primary Theresa response zone
Theresa 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.
53091
Popular neighborhoods
Mayville · Lomira · Kekoskee · Brownsville · Allenton · Iron Ridge · Campbellsport · Horicon · Kewaskum · Rubicon · Oakfield · Burnett
Nearby cities
Check my address →Mayville · Lomira · Kekoskee · Brownsville · Iron Ridge · All Wisconsin cities
Reviews
What Theresa Customers Say
4.9★★★★★verified reviews
★★★★★
“Being a repeat customer, I trust MJM HVAC for my evaporator coil cleaning in Theresa. They always deliver quality work.”
PW
Paul W.Theresa
Verified★★★★★
“After another company failed to resolve my mini split AC maintenance issue near Mayville, MJM HVAC came in and sorted everything out efficiently.”
MD
Mike D.Mayville
Verified More Services
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