“I called MJM HVAC for an urgent Mini Split AC installation, and they responded within the hour. They handled everything professionally, and I couldn't be happier with the outcome!”
Marcus T.Friday Harbor
VerifiedReliable replace ductless circuit board in Friday Harbor, handled by certified local crews who know San Juan County. Our dedicated team guarantees prompt attention to your ductless system issues, ensuring your home remains comfortable year-round. With a flat-rate quote provided before we start, you'll be in the loop every step of the way.
Licensed · Upfront options · Clean work areas · Written guarantees
These are our most frequently served ZIP codes. Nearby areas may also qualify—call if you do not see yours.
Roche Harbor · Anacortes · Whidbey Island Station · Oak Harbor · Bay View · La Conner · Coupeville · Jamestown · Edison · Marietta-Alderwood · Bow · Birch Bay
Roche Harbor · Anacortes · Whidbey Island Station · Oak Harbor · Coupeville · All Washington cities
“I called MJM HVAC for an urgent Mini Split AC installation, and they responded within the hour. They handled everything professionally, and I couldn't be happier with the outcome!”
Marcus T.Friday Harbor
Verified“I scheduled air quality solutions with MJM HVAC for my home, and they arrived on time with everything needed. My air feels fresher than ever!”
Hannah F.Anacortes
Verified“I had a compressor replacement done with MJM HVAC, and it was backed by a solid warranty. They came back without any charges, which was fantastic.”
Kevin L.Roche Harbor
VerifiedA real dispatcher is available if your question is not answered here.
Call 8334920770 →Most Friday Harbor calls are scheduled the same day, with 24/7 emergency response across San Juan County.
We quote a flat rate up front - typically in the range shown below - and you approve it before we begin.
Call now for fast, licensed Mini Split AC Repair anywhere in Friday Harbor and San Juan County.