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Heating and cooling for homes and workplaces.

Repair, maintenance and replacement across Mountain View, Sunnyvale, Los Altos, Palo Alto and the Peninsula.

Homes

For homes.

Townhomes, condos, older ranch houses and newer homes.

Heat pumps
Ducted and ductless; heating and cooling in one.
Furnaces & AC
Repaired, tuned up and replaced.
Zoning
A thermostat per floor, dampers in the ducts. Townhome comfort
Ductless for top floors
A small head where the main system can't keep up.
Ventilation
Fresh-air systems for tight, newer homes.
A compact heat pump on a pad along the side path of a Mountain View townhome, a young olive tree nearby
A technician fitting a ductless head high on the wall of a top-floor townhome bedroom
Businesses

For businesses.

Offices, co-working spaces, shops, clinics and restaurants.

A technician servicing a rooftop unit above a low commercial building on El Camino Real, street trees below
Rooftop & split systems
Serviced, repaired and replaced.
Multi-floor balancing
Upper floors brought into line with the rest.
Server & IT rooms
Dedicated cooling for small equipment rooms.
Tenant changes
Zones and thermostats adjusted when a floor is re-planned.
Maintenance plans
Visits around your hours, with a written report.
A bright co-working space with long tables and exposed ceiling ducts painted white, empty in the early morning
Three kinds of visit

Repair, maintenance, replacement.

Repair

The fault found and explained before anything is replaced. You approve the work first.

Maintenance

Every floor checked, not just the unit — filters, drains and airflow.

Replacement

Sized for all three floors, permitted and installed.

Homes or businesses

Tell us which floor.

And what it's doing.

Call Check