The short answer
Yes, ChillPro AC Repair provides HVAC repair in southern San Mateo County, including Menlo Park, Atherton, Woodside, Portola Valley, East Palo Alto, North Fair Oaks, and La Honda. We fix air conditioners, heat pumps, furnaces, and ductless systems and help you weigh repair against replacement under current Bay Area rules.
ChillPro AC Repair is based in San Jose and travels about 25 miles to serve homeowners in the southern part of San Mateo County. We repair central air conditioners, heat pumps, furnaces, and ductless mini-split systems in homes ranging from neighborhoods near the Bay to properties in the wooded hills west of Interstate 280. If your system is blowing warm air, turning on and off too often, making new noises, or not starting at all, we will find the cause and explain your options before any work begins.
What We Repair
Most service calls come down to a handful of common problems. A technician tests the system, shows you what failed, and explains what the repair involves so you can decide how to proceed.
- Air conditioners that run but don't cool, or that freeze up
- Heat pumps stuck in one mode or struggling in cold weather
- Furnaces that won't ignite, shut off early, or blow cold air
- Ductless mini-splits with error codes, leaks, or weak airflow
- Thermostat, wiring, and control board issues
- Refrigerant leaks, failed capacitors, and worn blower motors
Communities We Serve in San Mateo County
We cover the southern end of the county, closest to our San Jose base. If you live nearby and don't see your town listed, ask when you contact us.
- Menlo Park
- Atherton
- East Palo Alto
- North Fair Oaks
- Woodside
- Portola Valley
- La Honda
How Local Conditions Affect Your System
This part of the Bay Area has dry summers and mild, damp winters, but conditions change quickly with distance from the Bay and elevation. Homes in the flatlands may lean on air conditioning during warm spells, while houses in the hills and on the coastal side around La Honda often care more about reliable heating on cool, foggy days and nights.
Because many systems here sit idle for weeks at a time, problems often show up on the first hot afternoon or first cold evening of the season. A system that hasn't run in months is worth testing before you need it.
Repair or Replace: What Current Rules Mean
San Mateo County is within the Bay Area Air District. Its appliance rules do not require you to replace working equipment; they apply only when a furnace or water heater fails or is replaced. Under the district's furnace rule, natural gas furnaces manufactured from 2029 must meet a zero-NOx standard, which in practice points homeowners toward heat pumps for replacements after that date.
If replacement makes sense, note that the federal 25C tax credit for heat pumps ended for installations after December 31, 2025. You can still check BayREN and your local clean energy provider for current electrification incentives. Offers change by funding cycle, so we confirm what's available before including it in a quote.
What to Expect From a Service Visit
When you call, describe what the system is doing and when it started. Our technician will inspect the equipment, explain the diagnosis in plain terms, and give you the repair options before starting work. If a repair isn't worthwhile, we'll tell you why and talk through alternatives.

