Furnace Repair in San Bruno
Get fast, fair pricing from licensed local pros. Typical San Bruno cost: $80 – $250 installed.
- Flame sensor
- $80 – $250
- Igniter
- $150 – $450
- Blower motor
- $400 – $1.5k
- Control board
- $300 – $800
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Furnace repair cost by part.
Typical San Bruno repair pricing including parts and labor. A diagnostic fee usually applies and is often credited toward the work.
In San Bruno, where the median home was built around 1960, furnace repair costs reflect the age of equipment and local code requirements. Typical repairs range from $80–$250 for a flame sensor to $1,500–$3,500+ for a heat exchanger, plus a $75–$200 diagnostic fee. California's Title 24 mandates HERS-verified duct leakage testing and Manual J load calculations for most furnace changeouts, which can add to project costs. Given San Bruno's mild Mediterranean climate, many homeowners consider heat pumps for efficient heating and cooling, though gas furnaces remain common.
- Diagnostic / service callOften credited toward the repair$75 – $200
- Flame sensor or thermocoupleCommon no-heat cause on gas units$80 – $250
- Hot-surface igniterFurnace clicks but won’t light$150 – $450
- Blower motorNo airflow / weak airflow$400 – $1,500
- Heat exchangerCracked exchanger often means replace$1,500 – $3,500+
* A cracked heat exchanger is a safety issue — on an older furnace, replacement is usually the call.
Pricing reviewed · Local data from U.S. Census ACS
HVAC systems in San Bruno
U.S. Census ACS- Households
- 17,287
- Homeowners
- 9,530
- 58% own
- Median home value
- $1,187,600
- Median income
- $131,669
- Median home built
- 1960
- Housing units
- 16,321
With a median home built in 1960, many San Bruno AC and furnace systems are at or past their 12–15 year lifespan — a common reason replacements spike here.
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What’s different about San Bruno.
Generic cost pages skip the things that actually decide your price and which system fits here — local code, climate, and the money you can claim back.
Recommended unit for San Bruno
Given California’s mild (mediterranean), hot-dry inland climate and gas heating, high-seer2 heat pump is the sensible default for most San Bruno homes. A pro can confirm the right size and system for your home with a load calculation.
Sources: Southwest Region SEER2 New Efficiency Standards · TECH Clean California Single Family Incentives · EIA California State Energy Data
What San Bruno code requires
Installing or replacing an HVAC system in San Bruno follows California rules under the state mechanical code. Here’s what applies statewide:
- PermitRequired
Mechanical permit pulled by your licensed HVAC contractor; covers equipment, refrigerant, and the electrical disconnect.
- SEER2 minimum14.3 SEER2 (Southwest, <45k BTU)
Federal Southwest-region minimum for new split-system AC. Higher tiers cut bills and unlock rebates.
- Load calculationRequired (Manual J)
Sizing by load calc — not rule of thumb — prevents an oversized unit that short-cycles and never dehumidifies.
- RefrigerantR-454B / R-32 (R-410A phased down 2025+)
- Good to know—
CA Title 24 requires HERS-verified duct leakage testing and Manual J sizing on most AC/furnace changeouts
Sources: Southwest Region SEER2 New Efficiency Standards · TECH Clean California Single Family Incentives · EIA California State Energy Data
Not sure which rules and rebates apply to your home?
A licensed San Bruno pro will walk you through code, the right unit, and what you can claim back — in one quick call.
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Money back in San Bruno
California heating is mostly gas, which shapes the money back:
- State~$1,000 per system (up to 2 systems / $2,000 per home), market-rateTECH Clean California - Single Family Heat Pump HVAC Incentive →
State or utility program — verify eligibility before you buy.
- Federal30% of cost, up to $2,000Federal 25C tax credit — heat pump →
For a qualifying ENERGY STAR heat pump meeting the CEE efficiency tier. Claimed on your federal return.
The federal 25C tax credit (30%, up to $2,000 for a qualifying heat pump and up to $600 for a high-efficiency central AC) applies in every state.
Comfort back in three steps.
- 1
Tell us what’s wrong
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- 2
Get matched with a local pro
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- 3
Repair or replace, fast
Your pro confirms the price on-site and gets your comfort back. Most jobs done in a few hours.
Furnace Repair in San Bruno, explained.
What Influences Furnace Repair Costs in San Bruno?
Labor rates in San Bruno reflect the local median income of $131,669, and permit fees for mechanical work add to costs. The age of homes (median built 1960) often means older ductwork and electrical systems, increasing repair complexity. California's energy code requires Manual J sizing and duct leakage testing for replacements, which can raise upfront costs but improve efficiency. Rebates like the federal 25C tax credit (30% up to $2,000 for heat pumps) can offset expenses for qualifying upgrades.
Common Furnace Problems in San Bruno
Flame Sensor Failure
A dirty or faulty flame sensor is a frequent issue in older furnaces, causing the unit to shut off after ignition. Repair costs range from $80 to $250.
Igniter Malfunction
The igniter can wear out over time, especially in furnaces over 15 years old. Replacement typically costs $150 to $450.
Blower Motor Problems
Blower motors in older homes may fail due to dust buildup or age. Repair or replacement runs $400 to $1,500.
Furnace Repair FAQs — San Bruno
Yes, California requires a mechanical permit for most furnace repairs or replacements. Your contractor should pull the permit and schedule inspections.
Furnace Repair near San Bruno
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