Room-by-room comfort
Each indoor head has its own thermostat, so bedrooms, offices and living areas can run at different temperatures.
Ductless mini-split installation in San Anselmo for homes without ducts, upstairs rooms, studios and ADUs. Single and multi-zone systems, permitted.
Serving Sleepy Hollow, Red Hill, the Seminary area, Hawthorne Hills, Yolanda and the downtown flats along San Anselmo Creek and the rest of San Anselmo. Share your address to confirm availability.

Mini-splits heat and cool rooms without ductwork. They fit homes with no ducts, additions, ADUs, garages and the hot room the central system never reaches.
Each indoor head has its own thermostat, so bedrooms, offices and living areas can run at different temperatures.
A small line set connects each head to the outdoor unit through a wall opening, so there is no duct work to run.
One outdoor unit can serve one room or several, depending on the layout and loads.
Wall, ceiling cassette or concealed ducted heads, chosen around furniture, windows and looks.
Dedicated circuit, disconnect and a clean condensate route planned before the install.
Mechanical and electrical permits and the city inspection handled by HAXX.
San Anselmo's older cottages and hillside houses rarely have room for new ducts. Ductless heads add heating and cooling with only a small wall opening per room.
Each head has its own control, which suits split-level hillside homes where rooms run at different temperatures.
Inverter outdoor units help meet the Town's property-line noise limits. HAXX includes the required sound calculation with the permit.
A single-zone unit on a dedicated circuit heats and cools a backyard studio or garage conversion.
Rated 4.8 across 515+ reviews on Housecall Pro, Google and Facebook. Read more reviews.
“Thorough diagnostics of A/C system, identified and repaired the issue quickly!”
“Service was performed well and on time. Service person was highly skilled and provided easy to understand options to deal with the issue. Price for diagnostics was reasonable and easy to pay online.”
“Our commercial building had several HVAC problems, and their team carefully diagnosed each unit, explained the available options, and never pressured us into unnecessary replacements. They worked hard to repair what could be repaired and kept us informed throughout the process.”
Existing equipment, home layout and what you want to improve.
Sizing, airflow, equipment placement and electrical needs.
Options, exclusions, permit requirements and any eligible incentives.
Confirm equipment, scheduling and handover details with HAXX.
A closer look at recent heating and cooling work by HAXX.

On site during a commercial VAV box repair: access above a suspended ceiling, equipment and the work in progress.
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Yes. The Town requires a mechanical permit with a site map, dB ratings and a sound calculation for heat pumps and mini-splits.
It depends on the model. Many multi-zone outdoor units serve two to five heads. HAXX sizes each room before choosing equipment.
Often, yes, with a multi-zone system or several heads. A load calculation shows how many zones a home needs.
A single-zone system is often one day. Multi-zone systems typically take two to three days.
Share the property, equipment and questions you have in mind.
(408) 901-8315
Call HAXX to discuss your property and scheduling.
