Dryer running but not heating? We fix heating elements, thermal fuses, and igniters. Same-day service, 90-day warranty. Average repair cost: $100–$350. Professional service recommended.
Dryer not heating repair typically costs $100 to $350. This repair requires professional tools and expertise. Most repairs are completed in 1-2 hours with a free diagnostic visit.
Sunnyvale's collection of ranch homes and iconic Eichler residences from the mid-1960s creates specific challenges for dryer heating systems that reflect the city's warm South Bay climate and tech-forward demographics. Eichler homes — with their signature radiant-heated concrete slab floors and open floor plans — often position laundry areas in interior closets where the dryer vent must route through attic spaces or slab-level chases before reaching an exterior wall. These indirect vent paths accumulate lint at every turn, gradually restricting airflow until the thermal fuse blows. Sunnyvale's summer highs of 84°F and low humidity keep lint dry and loose, but the sheer length of these vent runs — sometimes exceeding 25 feet in Eichler configurations — means even loose lint creates significant back-pressure over 12-18 months. San Jose Water Company delivers water at 250 TDS to Sunnyvale homes, a moderate hardness that leaves slight mineral film on fabrics requiring reliable drying. With 20 competing providers and a median household income of $134,000, Sunnyvale residents tend to own premium appliances that benefit from professional repair.
Sunnyvale's housing stock — median build year 1965 — includes a significant number of Eichler homes with complex vent routing through attic spaces and interior chases. The warm South Bay climate with summer highs of 84°F and low humidity keeps lint dry but does not prevent accumulation in the long vent runs these homes require. San Jose Water Company water at 250 TDS adds moderate mineral content. The city's tech-professional demographics mean homes often have premium Samsung, LG, and Bosch dryers that require brand-specific diagnostic expertise.
Burned out heating element
Blown thermal fuse
Faulty gas igniter
Failed thermostat
Restricted vent
The thermal fuse is a one-shot safety device that cuts heating when the dryer overheats. In Bay Area row houses where vent runs exceed 20 feet with multiple elbows, lint accumulates rapidly and triggers overheating. Fog-season humidity makes lint sticky, accelerating blockage.
Cost: $120–$200 | Time: 30-60 minutes
Electric dryer heating coils break from thermal cycling stress. Units in Bay Area homes running extended cycles (due to clothes entering damp from fog exposure) heat more hours annually than dryers in dry climates, shortening element life.
Cost: $150–$280 | Time: 45-75 minutes
Gas dryer ignition solenoids weaken over time, failing to open the gas valve reliably. The dryer starts hot but goes cold mid-cycle as solenoids cannot hold open under reduced coil strength. Common in Oakland and Berkeley homes with gas utility connections.
Cost: $140–$250 | Time: 45-60 minutes
The igniter glows orange but lacks sufficient heat to trigger the gas valve. The dryer runs but produces no heat. Bay Area homes with gas dryers in damp basements see faster igniter degradation from ambient moisture exposure.
Cost: $130–$220 | Time: 45-60 minutes
| Detail | Range |
|---|---|
| Diagnostic | Free |
| Typical repair cost | $100–$350 |
| Repair time | 1-2 hours |
| Warranty | 90 days parts + labor |
Cost varies by root cause. Exact quote after free diagnostic visit.
This repair involves electrical components or sealed systems requiring professional tools and certification.
Dryer heating repairs in the Bay Area average $150-$350. Sunnyvale has 20 competing providers including Appliance Repair Express, Ace Appliance Service, and BayTech Appliance Repair. The city's premium Eichler home market drives demand for technicians familiar with complex vent routing. Most providers offer $89-$129 diagnostics waived with repair.
In Sunnyvale, wide day-night temperature swings (30f+ delta) stress thermal expansion joints, thermostat cycling, and sealed-system pressures. This can affect your appliance's gas valve coils: temperature swings weaken the gas valve solenoid coils over time, causing intermittent ignition failures mid-cycle (the classic "cycles fine then stops heating" symptom) If the dryer heats initially then stops, replace the gas valve coils as a set — this is the most common gas dryer repair
Free diagnostic visit for not heating issues. Same-day appointments available in Sunnyvale.
Book Free DiagnosticReviewed by James Okonkwo, Kitchen Appliance & Gas Systems Technician