Coldharbour Heating & Air hvac team

HVAC Company in Livermore - 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 Livermore, CA

Most HVAC calls we get from Livermore are driven by two forces: summer temperatures that hit 100-110°F regularly, and original cooling systems from the 1980s-2000s build-out that are failing all at once. A typical repair runs $150-$700 depending on the system and what’s broken, and our technicians carry parts for Trane, Lennox, Goodman, and Rheem so we can often finish same-day. If your AC quit on a Saturday afternoon or your furnace blower won’t start on a January morning, call us at (817) 402-2972 - a live person answers, and we’ll give you a written price before any work starts.

Call (817) 402-2972

Why Livermore Homes Are Different

Livermore sits in an inland valley that routinely runs 25-35°F hotter than coastal Bay Area cities just 30 miles west. That gap makes central air conditioning a necessity here, not a luxury upgrade like it is in Oakland or San Francisco. We’re in California Energy Commission Climate Zone 4, the highest-cooling-load inland valley zone in the Bay Area. Title 24 compliance calculations and equipment sizing here differ materially from coastal Zone 3 cities, and installers who size for Fremont or San Jose specs will undersize Livermore systems.

The housing stock tells the same story. Livermore’s growth boom from the 1980s through the 2000s produced thousands of stucco ranch and two-story production homes, plus the earlier 1960s Springtown planned community. Attic temperatures in these homes regularly exceed 150°F in summer, accelerating duct degradation and stressing equipment beyond what manufacturers rate for coastal-Bay-Area installs. The Altamont Pass winds compound the problem, funneling fine dust and particulates from the Central Valley onto outdoor condenser coils and shortening service intervals.

Springtown presents its own pattern. Those 1960s homes were built before whole-house A/C was standard, and many later retrofits used undersized duct systems that cannot handle modern cooling loads. We routinely find supply runs too small for the tonnage the thermostat is demanding - a problem almost never seen in newer Livermore subdivisions but endemic in that zip code.

Our Main Livermore Services

These are the three services Livermore homeowners call us for most often. Each has its own dedicated page with deeper detail on what to expect, typical local pricing, and how we handle the specific conditions we find in Livermore homes.

AC Repair in Livermore

When a Livermore AC fails in July, it’s not a scheduling inconvenience - it’s a genuine health risk for children, elderly residents, and anyone with respiratory conditions. We carry capacitors, contactors, refrigerant, and blower motors for the nine major brands we service, and we stock coils sized for the 3-ton to 5-ton systems common in Livermore’s production homes. Most calls we can diagnose and repair same-day. AC Repair in Livermore covers what fails most often here, why the Altamont dust accelerates coil problems, and what our 365-Day Done Right Promise means for your repair.

AC Repair in Livermore

Furnace Repair in Livermore

Livermore winters are milder than summers, but a failed furnace on a 35°F January morning still leaves a home unlivable. The furnaces in our market are mostly 80% and 95% AFUE gas units from the 1990s-2010s, and the most common failures we see are igniter degradation, limit switch trips from restricted airflow, and cracked heat exchangers in units that have cycled heavily through dusty attic installations. We do not recommend DIY heat exchanger inspection - carbon monoxide risk is real, and our technicians test with calibrated equipment. Furnace Repair in Livermore explains our process and guarantee.

Furnace Repair in Livermore

AC Installation in Livermore

With so many original Livermore systems hitting 20-35 years of age, we’re doing more full replacements here than in most Bay Area markets. A proper install starts with a Manual J load calculation that accounts for Zone 4 cooling demand, attic ductwork condition, and whether the existing duct system can handle modern SEER2 equipment airflow requirements. We do not promise same-day installation - this work is scheduled, permit-coordinated, and installed to a fixed written price with rebate paperwork handled. AC Installation in Livermore covers sizing, timing, and what the Kingswell Way means for your project.

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

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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 Livermore

Our technicians train on and carry parts for nine major residential HVAC brands: Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. We stock the most common capacitors, contactors, igniters, and motors for Trane, Lennox, Goodman, and Rheem locally, which means most Livermore repairs don’t wait on a parts run. See our brands for full coverage details.

Pricing for HVAC Company in Livermore, CA

Service Typical range in Livermore
AC Repair $150-$650
Furnace Repair $150-$700
AC Installation $3,500-$7,500
Tune-Up $80-$200

What pushes Livermore jobs toward the higher end: attic work in 150°F summer conditions requiring additional safety time, duct modifications for Springtown retrofits, and coil cleaning or replacement accelerated by Altamont Pass dust loading. Every job gets a written price before we start, and that price does not change at the door - that’s The Kingswell Way, not a case-by-case courtesy.

Neighborhoods We Serve in Livermore

Our dispatch from the San Francisco Bay Area office routes technicians to all Livermore neighborhoods with a same-day or next-day response for non-emergency calls, and emergency response when health or safety is at risk. These are the areas we most commonly work:

  • Springtown (1960s original homes with retrofit duct challenges)
  • Sunset East / East Avenue corridor (1980s-1990s production homes)
  • South Livermore / Vineyard corridor (2000s builds with original system end-of-life)
  • Downtown Livermore / Lizzie Street area (mixed vintage homes and small commercial)
  • Jensen Ranch / Portola Park (late-1990s to early-2000s two-story homes)

Service Area – Cities Near Livermore

We serve the full Tri-Valley and surrounding East Bay from our Bay Area dispatch office. If you’re just outside Livermore city limits or looking for service in a neighboring community, we also work in Pleasanton, CA, Hayward, CA, Dublin, PA, and San Ramon, CA. Call us and we’ll confirm coverage for your specific address - we don’t send you through a phone tree to find out.

Serving Livermore, CA - Our Local Coverage Area

We’re based in the Livermore 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 Livermore

Ready to get started? Free estimates · 60-minute response in Livermore
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 Livermore Customers Say

★★★★★ 4.8 from 6+ reviews

"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

"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

How It Works in Livermore

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 Livermore - 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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Areas We Serve
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