HVAC Repair in San Luis Obispo, CA
Homes here need heat from November through April and cooling from June through September. If your system quits, tell us what it's doing and a licensed contractor who covers San Luis Obispo County will get in touch.
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Ten months of work, most of it at the edges
San Luis Obispo asks for heat from November through April and cooling from June through September. That's ten months where the system is running, with only a short break between them. Winter nights average 38°F, mild enough that the furnace cycles on and off rather than running long and steady, and each start puts wear on the igniter and the burner. Summer afternoons average 87°F, which keeps the compressor and fan motor working through a full season.
Most homes here heat with gas, so a failing igniter or a cracked heat exchanger tends to show up as a furnace that won't stay lit or short-cycles on cold nights. Wind is the other thing this area sees. Twenty-seven damaging wind events over the past ten years means outdoor units take a beating, and loose panels, bent fins, or debris in the condenser are common after a bad blow. Power loss matters too. A good share of California households went at least a day without power last year, and when it comes back, most systems restart on their own. If yours doesn't, that's worth a look.
- 6 months
- November through April, your system heats
- 4 months
- June through September, it cools
- 38°F
- the average winter night it heats against
- 87°F
- the average summer afternoon it cools against
NOAA nClimDiv, 1991–2020 normals
A new furnace and air conditioner would cut about $110 a year off heating and cooling for a typical San Luis Obispo County home.
Estimates for a typical San Luis Obispo County home, compared with an older unit built to the previous federal minimum, from EIA household energy data, California fuel prices and NOAA climate normals. Your home will differ.
Repair makes sense when one part has failed.
Replacement makes sense when the furnace's heat exchanger is cracked, the air conditioner's compressor has failed, or repairs keep coming.
California requires HVAC contractors to hold a state license.
The Contractors State License Board tests contractors before they license them and keeps a record of who holds one. That license belongs to the contractor or the company, not to any single job, so it stays on file whether the work is a small repair or a full system change.
For a repair on equipment that burns gas and moves refrigerant, that license is what stands behind the person doing the work. The board tested them before they were allowed to call themselves licensed, and their record is there to check against.
Sources: California Legislative Counsel · Contractors State License Board
- Why is my heat not working?
- Most often the pilot or igniter has failed, the thermostat is set wrong, or a safety switch has shut the furnace down. Gas furnaces will not fire if the flame sensor is dirty or the igniter is worn out, and both wear out over time. If the thermostat screen is blank or unresponsive, check the batteries before anything else. A furnace that runs but blows cold air often has a different cause than one that will not turn on at all, so a contractor will want to know which one you have.
- Why is my system running but not cooling the house?
- The fan may be moving air, but if the refrigerant is low or the coil is dirty, that air will not be cold. A dirty air filter can also block enough airflow that the house never catches up on a hot afternoon. Check the filter first since that is the one thing you can rule out yourself. If it is clean and the air still is not cold, the issue is inside the system and needs a contractor to diagnose.
- What can I check before calling for HVAC repair?
- Check the thermostat settings and batteries first, since a wrong setting or dead batteries can look exactly like a bigger problem. Look at the air filter next and replace it if it is dirty. Check the breaker for the unit, since a tripped breaker will stop a furnace or air conditioner cold. If the outdoor unit has debris or plants blocking it, clear the area around it. Past that, a contractor will need to look at the equipment itself to find the actual problem.