The short answer
PrimeAir HVAC repairs gas furnaces and heat pumps in Newark, CA, and offers 24/7 emergency service from our nearby Fremont base. Bay Area Air District rules don't require replacing a working furnace, so repairing a sound system is often a sensible choice. If a furnace has to be replaced in 2029 or later, the zero-NOx standard will point most homeowners toward a heat pump.
When your furnace or heat pump stops keeping up, you want a clear answer about what's wrong and what it will take to fix it. PrimeAir HVAC Repair Service handles heating repair for homes throughout Newark, CA (ZIP 94560), about 5 miles south of our base in Fremont. Newark's winters are mild compared to much of the country, so many heating systems here sit idle for months. They then get asked to run steadily on damp, chilly nights. That on-and-off pattern means problems often show up the first cold week of the season, right when you need heat. We diagnose the actual cause, explain your options in plain terms, and make the repair. We also offer 24/7 emergency service when a breakdown can't wait.
Heating Problems We Commonly Fix in Newark Homes
Because heating systems in Newark often go weeks without running, parts that were fine last spring can fail on the first startup. Dust settles on burners and sensors, and filters left in place all summer restrict airflow. Small electrical components wear out quietly until the system calls for heat. Here are the problems homeowners most often call us about:
- Furnace runs but blows cool or lukewarm air
- System won't start, or starts and shuts off after a few minutes
- Pilot or igniter won't light, or the burners light and then drop out
- Heat pump stuck in defrost, iced over, or not switching into heating mode
- Rattling, squealing, or booming sounds when the system turns on
- Some rooms stay cold while others overheat
- Thermostat not responding or calling for heat at the wrong times
- Burning smell that lingers past the first few minutes of the season
What Happens During a Heating Repair Visit
Our technician starts by asking what you've noticed: when the problem began, what the system is doing, and whether anything changed recently. Then we check the system from the thermostat through to the equipment. On a gas furnace, that typically means the ignition sequence, flame sensor, burners, blower, filter, safety switches, and venting. On a heat pump, we look at the outdoor unit, refrigerant-side performance, the defrost controls, the reversing valve, and any backup heat strips.
Once we find the cause, we tell you what failed, why it likely failed, and what the repair involves before we do the work. If we spot something that isn't urgent but is worth watching, we'll mention it and let you decide. If we find a safety concern, such as a venting problem or signs of a cracked heat exchanger, we'll explain it plainly and won't leave the system running in an unsafe condition.
Repair or Replace? How Bay Area Air District Rules Fit In
Many Newark homeowners have heard about the Bay Area Air District's appliance rules and worry they'll be forced to tear out their furnace. They won't. The rules don't require replacing working equipment. They only apply when an existing furnace or water heater fails or is replaced.
What the rules do change is your options at replacement time. Under Rule 9-4, natural gas furnaces manufactured from 2029 onward must meet a zero-NOx emission standard. In practice, that points homeowners toward heat pumps when a furnace is replaced after that date. If your furnace is in good shape overall, repairing it is usually a reasonable choice. If it's older and needing frequent repairs, it can make sense to start thinking now about whether a heat pump fits your home, so you aren't making the decision in a rush on a cold night.
Heat Pump Repairs and Current Incentives
More homes in Newark now heat with heat pumps, and we repair them as well as furnaces. Heat pumps that seem weak in winter often have airflow restrictions, defrost control issues, low refrigerant from a leak, or thermostat settings that lean too heavily on backup heat.
If you're weighing a heat pump instead of another round of furnace repairs, note that the federal Energy Efficient Home Improvement Credit (25C) only covered heat pumps placed in service before December 31, 2025. It isn't available for new installations. Bay Area homeowners can still check BayREN and their local clean energy provider for heat pump and electrification incentives. Amounts and availability change with each funding cycle, so we confirm the current offer before including it in any quote.
Emergency Heating Service in Newark and Nearby
Heating trouble doesn't wait for business hours, so PrimeAir offers 24/7 emergency service. Newark is a short drive from our Fremont base. We also serve nearby Union City, Hayward, East Palo Alto, Menlo Park, and Mountain View. If you smell gas, leave the house and contact your gas utility or emergency services first, then call us for the repair once it's safe.
More services in Newark
- AC Repair in Newark
- Heat Pump Installation in Newark
- AC Installation in Newark
- Furnace Repair in Newark

