MRCOOL in Lafayette
We repair and service existing MRCOOL mini-splits. For new ductless installations in Lafayette, we install Mitsubishi Electric.
MRCOOL is the DIY mini-split brand. The kits arrive pre-charged with quick-connect refrigerant fittings, so a homeowner can mount the head, set the condenser, and connect the line set without ever opening the refrigerant circuit to atmosphere. In Lafayette that lands on fertile ground. A lot of the older hillside custom homes here have poor ductwork or none at all, and running new ducts through a mid-century house on a steep lot is destructive and expensive. Ductless is already the common answer in this town. We service MRCOOL units already in use; new ductless installations from us use Mitsubishi Electric.
Where it fits is single rooms and small retrofits on the hillside homes ductwork cannot reach cleanly. The honest version: MRCOOL is a value line, and a Lafayette hillside install is rarely as simple as the box implies. The line set has to run through framing, the condenser has to land somewhere on a grade-separated lot, and the pre-charged set comes in a fixed length that may not match a long run up a slope. We see owners get the head on the wall and then hit the part the instructions gloss over: placement, electrical, and fittings that have to be dead square or they weep refrigerant.
So most of our MRCOOL work in Lafayette is repairing existing systems. We verify the quick-connect couplings, pressure-test for leaks, confirm charge, sort the disconnect and breaker, and make sure the condensate drains correctly off a hillside. When a DIY head stops cooling after a few weeks, it is almost always a fitting that was not torqued right and slowly bled the charge. That is a routine repair for us.
MRCOOL work we do in Lafayette
Repairing an existing hillside system. On an existing MRCOOL at a grade-separated Lafayette property, we inspect mounting, line-set routing, and wall penetrations when they contribute to a fault. We quote the needed corrections and verify heating and cooling after repair. We do not complete new MRCOOL installations.
Quick-connect leak repair. The pre-charged fittings are the weak point. A coupling that was not seated square bleeds charge over weeks and the room quits cooling. We pressure-test, locate the leak, reflare or replace the fitting, evacuate, and recharge.
Condensate routing on a grade. A condensate line that drains fine on a flat tract pools or backs up on a Lafayette slope. We re-route the drain and re-set the head pitch so it actually clears water, which matters on these damp hillside lots.
Electrical and disconnect. An existing MRCOOL in an older Lafayette home may have an inadequate electrical supply. We coordinate the breaker, disconnect, and whip with a licensed electrician and flag any panel limits at the estimate.
MRCOOL in Lafayette: common questions
Will you come up to a hillside Lafayette home for a MRCOOL job?
Is MRCOOL a good choice for my hillside home, or should I look at Mitsubishi?
My DIY MRCOOL stopped cooling after a couple weeks. What is that likely to cost?
Nearby and related
MRCOOL near Lafayette: Orinda · Moraga · Walnut Creek · Alamo .
Other brands we service in Lafayette: Amana · American Standard · Ameristar · Bosch · Bryant · Carrier · Coleman · Comfort-Aire · Cooper & Hunter · Daikin · Ducane · Friedrich · Fujitsu · Goodman · Gree · Heil · Lennox · LG · Maytag · Mitsubishi · Payne · Rheem · Ruud · Samsung · Tempstar · Trane · York .
See the MRCOOL overview, our HVAC installation in Lafayette, or the Lafayette service area.
MRCOOL in Lafayette
Repairs start with a $99 diagnostic, credited toward the fix. Replacing a system? The on-site assessment visit is free. Same-day written findings either way.
Bay Area · 7am–7pm · 7 days · no overtime charges