Seasonal tune-up and full diagnostic on your Carrier, Trane, or Goodman system - readings shown to you before any repair is proposed
Diagnosis first, numbers second - you approve the repair price before a single part goes in.
Before
After
Before
After
Before
AfterHow Much Does HVAC Cost in San Francisco?
Most HVAC repairs in San Francisco run $175 to $825, depending on what failed. A standard tune-up sits between $95 and $235, while a full system replacement lands somewhere in the $4,130 to $8,850 range for a typical city home. Those are the real numbers for this market, and you’ll get a written price from us before any work begins, not after.
We’re Brandt HVAC, and we work on the furnaces, air conditioners, and heat pumps that keep San Francisco homes livable through foggy summers and damp winters. What follows is what things actually cost here, why they cost that, and how to keep the number as low as it can reasonably go.
HVAC Cost Breakdown (2026)
Here’s what San Francisco homeowners are paying this year. These ranges include parts and labor for most single-family homes and the older multi-unit buildings that make up so much of the city’s housing stock.
| Service | Typical Price Range | What It Covers |
|---|---|---|
| AC Repair | $175 – $765 | Diagnosis plus the failed component: capacitor, contactor, blower motor, fan, or a refrigerant recharge (refilling the fluid that moves heat out of your home) |
| Furnace Repair | $175 – $825 | Igniter, flame sensor, inducer motor, gas valve, control board, or blower work |
| AC Installation | $4,130 – $8,850 | New condenser and coil, lineset, permits, disposal of the old unit, and startup |
| Seasonal Tune-Up | $95 – $235 | Cleaning, inspection, safety check, and a written report on what we find |
Where you land in each range depends on the part and how hard it is to reach. Replacing a capacitor in a garage-mounted furnace is a $175 to $400 job. Pulling the same capacitor from a rooftop unit or a condenser tucked into a light well behind a San Francisco row house takes more time and the right equipment, so it climbs toward the top of the band. A furnace control board is a common high-end repair because the board itself costs more than most people expect.
Every one of these numbers comes with a written price before we start, and every repair carries a written guarantee. If the same repair fails within 365 days, we come back at no charge. That’s the 365-Day Done Right Promise, and it applies whether the repair cost $180 or $800.
What Affects HVAC Pricing in San Francisco
- Access and building type. A lot of San Francisco homes were built before 1940, and HVAC equipment is often wedged into basements, crawlspaces, or rooftop platforms that are tough to reach. Condensers installed in enclosed light wells or under decks can add an hour or more to a job that would be quick elsewhere.
- Fog and salt air. Neighborhoods like the Sunset, Richmond, and Outer Parkside sit in marine air most of the year. That salt-laden moisture corrodes condenser coils and electrical connections faster than you’d see inland, so we replace corroded parts here more often than in, say, Walnut Creek.
- Part availability. We service Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. Common parts for those brands are usually on the truck or available same day. Older or discontinued equipment can mean a wait and a higher part cost, which is why we tell you upfront if that’s the case.
- Permits and code requirements. San Francisco requires permits for HVAC replacement and for some electrical and gas work tied to a repair. Permit fees and inspection scheduling add to installation costs and occasionally to repairs involving gas valves or line work.
- System age and efficiency. A system past 12 to 15 years in coastal air often needs a decision between repair and replacement. We’ll tell you honestly which one makes financial sense rather than pushing the bigger job.
- Whether it’s an emergency. A furnace that quits on a cold January night gets handled differently than a tune-up booked two weeks out. We answer the phone live 24 hours a day, so you’re never stuck leaving a voicemail while the house goes cold.
Repair or Replace? A Quick Way to Decide
The rule we use with homeowners: if the repair costs more than a third of a new system and the unit is past 12 years old, replacement usually wins. If the repair is a $200 capacitor on a 7-year-old unit, repair wins every time. Here’s how a replacement decision usually plays out, step by step:
- We diagnose and quote the repair in writing. You see the actual price before we touch anything.
- We note the system’s age, brand, and condition. Past 12 to 15 years in marine air, we flag the corrosion we see on the coil and connections.
- We give you both numbers. Repair cost versus a written replacement estimate within the $4,130 – $8,850 range, so you can compare side by side.
- You decide with no pressure and no countdown clock. We don’t do “sign today” pricing.
- Either path ends with a written guarantee. Repairs are covered for 365 days, and installation work is backed under the same standard.
How to Save on HVAC
Free estimates are the easiest money you’ll save. Calling us at (984) 538-9003 costs nothing and gets you a real range before you commit to anything.
- Book a tune-up before the season turns. A $95 to $235 tune-up catches a dying capacitor or a dirty flame sensor before it becomes a mid-winter failure that costs several hundred dollars more.
- Rinse the outdoor coil. In foggy, salty neighborhoods, a seasonal rinse of the condenser helps slow corrosion. It’s the single cheapest thing a Sunset or Richmond homeowner can do.
- Change filters on schedule. A clogged filter makes the blower and compressor work harder, and that shortens their lives.
- Ask about the guarantee before you buy. A repair covered for 365 days is worth more than one covered for 30. Ours is written on every job.
- Bundle a tune-up with your repair. If we’re already at your home, the marginal cost of a seasonal check is lower than booking it separately.
Who’s Coming to Your Door?
We built our process around a simple fact: many of our customers are home alone, managing young kids, or living independently in their later years. Handing the keys to a stranger in a van isn’t acceptable.
Every technician we send is background-checked, uniformed, and identity-verified under the Threshold Verified standard. Before your appointment, you get their name and photo. At the door, they show a photo ID badge. If anyone arrives who you weren’t told to expect, that visit is on us. That’s not marketing language; it’s how we operate.
Brandt comes from an old word for a firebrand, which feels right for work that keeps a home warm. We’ve been part of the Threshold Group family of home-service companies since 2003, and each Brandt HVAC location is independently owned and operated.
FAQs – HVAC Cost
How much does AC repair cost in San Francisco?
AC repair in San Francisco runs $175 to $765, most commonly landing around $300 to $500 for a capacitor, contactor, or blower issue. Coastal corrosion can push the price up if the outdoor coil or connections need work. Call (984) 538-9003 for a free estimate; you’ll get a written price before we start.
How much does furnace repair cost in San Francisco?
Furnace repair here costs $175 to $825. Igniter and flame sensor replacements tend to sit in the $175 to $400 range, while control boards and inducer motors push toward the top of the band. Every repair is guaranteed for 365 days. Call (984) 538-9003 for an exact quote.
Is it cheaper to repair or replace my HVAC system?
Repair is cheaper if the unit is under 12 years old and the fix is a common part under a few hundred dollars. Replacement makes more sense when the repair exceeds a third of a new system’s cost or the unit is past 12 to 15 years. New AC installation in San Francisco runs $4,130 to $8,850. Call (984) 538-9003 and we’ll give you both numbers in writing so you can compare.
How much is an HVAC tune-up in San Francisco?
A tune-up costs $95 to $235, including cleaning, inspection, a safety check, and a written report. It’s the cheapest way to avoid a several-hundred-dollar repair later. Call (984) 538-9003 to schedule; estimates are free.
Can you come today if my heat or AC is out?
In most cases, yes. We answer the phone with a live person 24 hours a day, seven days a week, including nights and holidays, so you’re never routed to voicemail. Same-day and emergency visits are common in San Francisco, and you’ll know your written price before any work begins. Call (984) 538-9003 now and we’ll tell you the soonest we can be there.
Ready for a Real Number?
Call Brandt HVAC at (984) 538-9003 for a free estimate on any repair, tune-up, or replacement in San Francisco. You’ll speak with a live person day or night, get a written price before work starts, and know exactly who is coming to your door and when. If it’s not done right, we make it right for 365 days. For a closer look at how we work, visit our home.
Pricing reflects the San Francisco market as of 2026. Brandt HVAC offers free estimates – call (984) 538-9003.
Written by Devin Marlowe, Owner at Brandt HVAC, serving San Francisco homeowners with upfront pricing and verified technicians.
What Our Customers Say
"Furnace ignitor went out on a cold morning. Part was on the truck, installed in thirty minutes."
- Alvin K."Annual tune-up on the furnace. He cleaned the burners, tested the heat exchanger, and told me what was fine and what to watch. No scare tactics."
- Lorraine E."Maintenance plan is simple and the tech showed me the readings, not just said it was fine."
- Maribel C.