Coldharbour Heating & Air hvac team

HVAC Company in Tamalpais-Homestead Valley - Fast Local Response, Upfront Pricing

Same-day heating and cooling service with the price agreed before we start, and no overtime surcharge for evenings or weekends. Licensed, insured, EPA-certified technicians.

✓ Licensed & Insured ✓ Written quotes ✓ Permits handled
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We answer around the clock

🛡 Licensed & Insured 📝 Written Fixed-Price Quotes 💲 No Change Orders · Free Estimates
Every visit starts with

Seasonal tune-up and full diagnostic on your Carrier, Trane, or Goodman system - readings shown to you before any repair is proposed

Your new heating and cooling system for as low as $119/month*on approved credit; ask for current terms

Diagnosis first, numbers second - you approve the repair price before a single part goes in.

Styles & brands we work with

AC repair
AC repair
Furnace & heating
Furnace & heating
Heat pumps
Heat pumps
Ductless mini splits
Ductless mini splits
Carrier
Carrier
Trane
Trane
Goodman
Goodman

Before & after – our own jobs

Before - Recent ProjectBeforeAfter - Recent ProjectAfter
Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

HVAC Company in Tamalpais-Homestead Valley, CA

Most Tamalpais-Homestead Valley homes don’t need central air conditioning at all. Summer highs hover in the mid-60s°F on the fog-draped western slopes of Mount Tamalpais, so our calls here are overwhelmingly for furnace repair, heat pump maintenance, and ductless mini-split installations in the 1940s-1970s hillside homes that dominate the area. We’re Coldharbour Heating & Air, and our technicians are trained on nine major brands including Goodman, Rheem, and Daikin. Call (817) 402-2972 to reach a live person any time, day or night.

Call (817) 402-2972

Why Tamalpais-Homestead Valley Homes Are Different

The marine layer that funnels through the Golden Gate and up the Tamalpais ridgeline defines every job we do here. Persistent humidity, not heat, is the enemy. Outdoor condenser coils and heat pump cabinets corrode faster than they do in drier inland Marin, and flue collars on hillside furnaces take a beating from salt-laden fog.

The housing stock compounds the challenge. Redwood post-and-beam and board-and-batten homes on steep lots often have attics too shallow for conventional ductwork and crawlspaces a technician can barely squeeze through. We’ve replaced more forced-air systems with wall-mounted ductless mini-splits in Tamalpais-Homestead Valley than anywhere else in Marin County because traditional trunk-and-branch duct installation simply isn’t practical.

Permits pull through the Marin County Community Development Agency, not any city building department. Contractors accustomed to Mill Valley or Corte Madera paperwork often stumble on this. And the Wildland-Urban Interface designation on the Mt. Tamalpais slopes means fire-hardening guidelines now require ember-resistant vent covers and stricter duct sealing on heating equipment replacements, standards that don’t apply to most Bay Area calls.

Our Main Tamalpais-Homestead Valley Services

Homeowners in Tamalpais-Homestead Valley call us most often for these three jobs. Each has its own page with full details.

AC Repair in Tamalpais-Homestead Valley

True AC repair is rare here. When we get the call, it’s usually a heat pump running in cooling mode during an unusual warm spell, or a ductless mini-split that’s icing up from the chronic humidity. We check refrigerant levels (the cooling fluid the system needs to run), test the reversing valve that switches between heating and cooling, and inspect outdoor coils for corrosion. Most repairs run $150-$650. AC Repair in Tamalpais-Homestead Valley

AC Repair in Tamalpais-Homestead Valley

Furnace Repair in Tamalpais-Homestead Valley

Furnace calls spike in November when the first serious fog rolls in. Igniter failures, limit switch trips, and blower motor bearing wear are the usual culprits in these older hillside systems. We carry igniters, flame sensors, and blower capacitors for Goodman, Rheem, and York units on every truck so we’re not making a second trip. Most furnace repairs run $150-$700. Furnace Repair in Tamalpais-Homestead Valley

Furnace Repair in Tamalpais-Homestead Valley

AC Installation in Tamalpais-Homestead Valley

When Tamalpais-Homestead Valley homeowners ask about “AC installation,” they usually mean a heat pump or ductless mini-split that handles both heating and cooling. We size every system to the actual load, which is modest here due to the mild climate. Ductless retrofits are our most common installation because of the inaccessible attics and crawlspaces. Most installations run $3,500-$7,500. AC Installation in Tamalpais-Homestead Valley

AC Installation in Tamalpais-Homestead Valley
Need help today?Fast, friendly service and a no-obligation free estimate.

Call (817) 402-2972

What happens when you call

  1. 1
    A real person answersNo phone trees - you reach a local pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched.
  3. 3
    A background-checked tech heads outLicensed & insured, dispatched right away.
  4. 4
    You approve before work beginsNothing starts until you say go.

Brands We Service in Tamalpais-Homestead Valley

Our technicians train on Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. We stock common igniters, capacitors, contactors, and refrigerant fittings for Goodman, Rheem, and Daikin locally, so most Tamalpais-Homestead Valley repairs finish in a single visit. our brands

Pricing for HVAC Company in Tamalpais-Homestead Valley, CA

Service Typical range in Tamalpais-Homestead Valley
AC repair $150-$650
Furnace repair $150-$700
AC installation (heat pump / ductless) $3,500-$7,500
Annual tune-up $80-$200
Refrigerant recharge $150-$650
Igniter replacement $150-$280
Blower motor repair $150-$650
Heat pump compressor repair $150-$650
Ductless mini-split installation $3,500-$7,500
Limit switch replacement $150-$280

Prices push higher in Tamalpais-Homestead Valley when technicians must haul equipment up steep driveways with no turn-around, work in crawlspaces under 18 inches, or pull permits through the Marin County Community Development Agency rather than a same-day city counter. Before any work begins, we hand you a written price that won’t change at the door. That’s The Kingswell Way.

Neighborhoods We Serve in Tamalpais-Homestead Valley

Our crews cover the full unincorporated valley, from the Homestead Valley flats to the steeper grades climbing toward the Mountain Home Inn ridge. Most calls reach a technician within the same day, with emergency furnace outages prioritized when fog drops temperatures into the 40s°F.

  • Homestead Valley
  • Almonte
  • Alto
  • Strawberry Canyon approach
  • Panoramic Highway corridor

Service Area – Cities Near Tamalpais-Homestead Valley

Dispatch and scheduling are coordinated from our San Francisco Bay Area office, with crews serving Tamalpais-Homestead Valley locally. We also run calls to San Francisco, CA, San Jose, CA, Los Angeles, CA, and San Diego, CA through the Kingswell network of independently owned and operated HVAC businesses.

Serving Tamalpais-Homestead Valley, CA - Our Local Coverage Area

We’re based in the Tamalpais-Homestead Valley 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 Tamalpais-Homestead Valley

Ready to get started? Free estimates · 60-minute response in Tamalpais-Homestead Valley
Call (817) 402-2972

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local hvac pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
  4. 4
    You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.

What Tamalpais-Homestead Valley Customers Say

★★★★★ 4.8 from 6+ reviews

"Furnace wouldn't light the first cold morning. The guy walked me through what he was checking so I actually understood it. Replaced the igniter, wrote up the warranty, and it's been warm since."

- Alicia Romero

"AC died overnight with a newborn in the house. They bumped us up the list and had it running by noon. I about hugged the guy. Fair price even on a rush call."

- Celeste Ngo

"The repair was done well and quickly. Scheduling over the phone was a little clunky and I got transferred twice, but the tech himself was great and on time."

- Brett Haygood

How It Works in Tamalpais-Homestead Valley

Getting your hvac handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your hvac needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in Tamalpais-Homestead Valley - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

Current Offers

Bring these savings to your next appointment.

10%

10% Off Your First Service Visit

Valid on your first completed service visit with us.

Expires Mar 31, 2027
Always

Written Price Before Any Work Starts

Expires Mar 31, 2027
Included

Written Guarantee on Every Repair

Expires Mar 31, 2027
Free

Free Second Visit if the Repair Fails

Expires Mar 31, 2027

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