The short answer
FrostPoint AC Repair fixes central air, heat pump, and ductless systems in Monte Sereno homes, working from our San Jose base about 7 miles away. We diagnose the real problem, explain your repair options in plain terms, and give honest advice on whether repair or replacement makes more sense.
When your air conditioner stops cooling on a warm afternoon in Monte Sereno, you want a clear answer about what's wrong and what it will take to fix it. FrostPoint AC Repair is based in San Jose, about 7 miles east, and we repair central air conditioners, heat pumps, and ductless mini-split systems in homes throughout Monte Sereno. We find the actual cause, explain it in plain language, and lay out your options before any work starts, so you can decide what makes sense for your home and your budget.
Why AC Problems Show Up in Monte Sereno Summers
The Santa Clara Valley has a Mediterranean climate with dry summers and mild, damp winters. Areas farther inland and away from the Bay tend to run noticeably hotter in summer than neighborhoods close to the water, so air conditioners in the southwest part of the valley often work hard through long, dry stretches of warm weather.
That steady summer load is when weak parts tend to give out. A system that limped along in spring may stop cooling on the first hot week, and many of the calls we get from Monte Sereno come in once the heat settles in. Here are the problems we see most often:
- Outdoor unit runs but the house stays warm, often a failed capacitor, contactor, or fan motor
- Low refrigerant caused by a leak in the coil or line set
- Frozen indoor coil from restricted airflow or a dirty filter
- Clogged condensate drain causing water near the indoor unit or a system shutoff
- Thermostat or wiring faults that keep the system from starting
- Short cycling, where the system turns on and off every few minutes
What Happens During a Repair Visit
Our technician starts by asking what you've noticed: when the problem started, any sounds or smells, and whether the system is running at all. Then we check the thermostat, the indoor unit, the outdoor condenser, electrical components, airflow, and refrigerant pressures to find the cause instead of guessing.
Once we know what's wrong, we explain it and give you the repair options before we touch anything. Many common failures, like a bad capacitor or a clogged drain line, can be fixed on the same visit when we have the part on hand. If a part has to be ordered, we tell you that up front and make sure you know what to expect in the meantime.
Repair or Replace: Straight Advice
Most AC problems are worth repairing. If your system is older, needs a major component like a compressor, or has had repeated breakdowns, we'll talk through whether replacement might be the better long-term choice. The decision is yours, and we won't push a new system when a repair will do the job.
If your air conditioner is paired with a gas furnace, it helps to know where local rules are headed. Under Bay Area Air District rules, natural gas furnaces manufactured from 2029 must meet a zero-NOx standard, which in practice points homeowners toward heat pumps when a furnace is replaced after that date. These rules do not require you to replace working equipment; they apply only when an existing furnace fails or is replaced.
If you do consider a heat pump, note that the federal 25C tax credit covered qualifying heat pumps placed in service before December 31, 2025, and is not available for new installations after that date. You can check BayREN and your local clean energy provider for current incentives. Amounts and availability change by funding cycle, so we confirm the current offer before including it in any quote.
Quick Checks Before You Call
A few simple checks can sometimes get your system running again, or at least help us diagnose it faster:
- Make sure the thermostat is set to cool and below the current room temperature
- Replace the batteries in a battery-powered thermostat
- Check the breaker panel for a tripped AC or furnace breaker
- Look at the air filter and replace it if it's dirty
- Clear leaves, plants, and debris from around the outdoor unit
- If the indoor coil or refrigerant lines are covered in ice, turn the system off and let it thaw before calling
Serving Monte Sereno and Nearby Communities
Monte Sereno is a short drive from our San Jose base, and we also handle AC repair in Los Gatos, Saratoga, Campbell, Cupertino, and Santa Clara, all within Santa Clara County. Whether your home has an older central air system, a newer heat pump, or ductless units in individual rooms, we'll work through the problem with you and get your home comfortable again.
More services in Monte Sereno
- Heating Repair in Monte SerenoLocal service & repairs
- Heat Pump Installation in Monte SerenoLocal service & repairs
- AC Installation in Monte SerenoLocal service & repairs
- Furnace Repair in Monte SerenoLocal service & repairs