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.
HVAC Company in San Rafael, CA
San Rafael homeowners face a heating and cooling puzzle few Bay Area cities share: summer temperatures in the Marin thermal trough regularly climb to the mid-90s°F, yet much of the housing stock, especially the sprawling Terra Linda community built in the late 1950s and early 1960s, was designed without central air conditioning. At Coldharbour Heating & Air, we’re the local team that solves that puzzle, whether it’s a dead furnace on a January morning or a first-time cooling system for a slab ranch with no attic space. Call us at (817) 402-2972, any hour, and a live person picks up.
Why San Rafael Homes Are Different
The inland valley geography here creates genuine dual-season demand that coastal Marin neighbors like Sausalito simply don’t experience. Summer highs run 15-20 degrees warmer than San Francisco, while winter nights dip low enough to keep furnaces working hard. The problem is the housing stock was priced and built assuming neither extreme would matter.
Terra Linda’s slab-on-grade ranches, built mostly 1958-1968, often have minimal or zero crawlspace and no viable pathway for conventional ducted AC retrofits. We’ve lost count of how many San Rafael homeowners call asking for “regular central air,” and our technician has to explain the slab constraint before any other conversation happens. Older downtown San Rafael brings pre-war Craftsman and Victorian homes with their own quirks, while the Canal District’s aging multi-family units need solutions that respect tight spaces and rental budgets. Wildfire smoke events from Sonoma and Marin hills have also driven sharp demand for high-MERV and HEPA filtration upgrades, something we now discuss on nearly every system evaluation.
Our Main San Rafael Services
San Rafael homeowners call us most often for cooling repairs in July and heating repairs in December, though first-time AC installations are our fastest-growing request as summers intensify.
AC Repair in San Rafael
When an AC quits during a 95°F afternoon in Terra Linda, the call is urgent. Our technicians carry capacitors, contactors, and refrigerant to handle the most common failures on the spot, and we’re trained on nine major brands so we don’t need to order parts for a standard repair. We issue a written price before touching a tool, and every repair carries our 365-Day Done Right Promise. AC Repair in San Rafael

Furnace Repair in San Rafael
San Rafael’s winter nights may not freeze pipes, but a failed heat exchanger or igniter still leaves a home cold by morning. We see plenty of aging gas furnaces in the original Terra Linda builds and newer high-efficiency units in the hills above Dominican University. Our technician diagnoses the failure, shows you the written price, and gets heat restored the same day in most cases. Furnace Repair in San Rafael

AC Installation in San Rafael
This is where San Rafael’s housing stock really changes the conversation. Many Terra Linda slab ranches simply cannot accept ducted central air, so we walk homeowners through ductless mini-split options, zoning configurations, and efficiency ratings that match PG&E’s tiered pricing. We handle load calculations, permitting, and rebate paperwork, with a written fixed price and a set install date, never a same-day promise for work this involved. AC Installation in San Rafael

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in San Rafael
Our technicians train continuously on Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. We stock common capacitors, contactors, igniters, and motors for Rheem, York, and Bryant systems locally, which means most San Rafael repairs don’t wait on a parts run. our brands
Pricing for HVAC Company in San Rafael, CA
| Service | Typical range in San Rafael |
|---|---|
| AC Repair | $150-$650 |
| Furnace Repair | $150-$700 |
| AC Installation | $3,500-$7,500 |
| Tune-Up | $80-$200 |
What pushes San Rafael jobs toward the higher end: slab-home mini-split installations requiring multiple indoor heads, older furnace heat exchanger replacements, and systems that haven’t been serviced in years and need multiple failed components replaced at once. Whatever the scope, you’ll get the written price before we start, and that number doesn’t change at the door.
Neighborhoods We Serve in San Rafael
Our crews run routes across the full city, from the hillside homes near Dominican University to the Canal District’s dense blocks. Most San Rafael addresses see a technician within a two-hour window once dispatched from our Bay Area coordination office.
- Terra Linda
- Gerstle Park
- Canal District
- Peacock Gap
- Lucas Valley
Service Area – Cities Near San Rafael
We schedule and dispatch throughout central and southern Marin County. Homeowners in Larkspur, CA, Kentfield, CA, Corte Madera, CA, and San Anselmo, CA are all inside our standard service radius, with the same live-answer phones and written guarantees.
Serving San Rafael, CA - Our Local Coverage Area
We’re based in the San Rafael area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About HVAC Company in San Rafael
Most San Rafael calls are scheduled same-day or next-day, with emergency calls for no-heat or no-cooling situations prioritized. Our phones are answered by a live person 24 hours a day, so you’ll never hit voicemail when your furnace dies at midnight.
Yes, the City of San Rafael requires permits for new system installations and most furnace replacements. We handle permit applications and inspections as part of our installation process, so you don’t need to visit City Hall yourself.
Usually yes, but rarely with conventional ducted central air. We typically recommend ductless mini-splits, which need only a small wall penetration and no ductwork. We’ll explain the options and show you a written price for each approach during a free in-home evaluation.
Ready to schedule? Call Coldharbour Heating & Air at (817) 402-2972 for a free estimate. A live person will answer, day or night, and we’ll give you a firm arrival window that we actually keep.
What happens when you call
- 1A real person answersNo phone trees - talk to a local hvac pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What San Rafael Customers Say
"Furnace was short cycling all winter. They diagnosed a bad sensor instead of condemning the whole unit like I feared. Cheap fix, honest call."
- Russ Tiedemann"Thermostat and a weak blower. Fixed both in one visit, explained the guarantee, and didn't leave a mess. I've already recommended them to my neighbor."
- Natalie Esposito"Honest to a fault. Two companies told me I needed a whole new unit. Coldharbour said mine had years left and just needed a cleaning and a part. Saved me thousands."
- Marcus Reilly







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