Coldharbour Heating & Air hvac team

HVAC Company in Fontana - 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 Fontana, CA

Fontana homeowners face a combination of heat, air quality, and aging housing stock that makes HVAC work different from coastal Southern California. Most calls we get here involve systems pushed past their design limits by 105°F-plus summer days and furnaces facing strict South Coast Air Quality Management District rules that don’t apply just over the county line. If you’re dealing with a system that won’t keep up, a furnace that won’t ignite, or you’re ready to replace aging equipment, call us at (817) 402-2972. We dispatch from our Inland Empire office and serve Fontana with the Kingswell Guarantee: a written price before any work starts, a firm arrival window, and a 365-Day Done Right Promise on every repair.

Call (817) 402-2972

Why Fontana Homes Are Different

Fontana sits in one of the worst air-quality non-attainment zones in the country, the South Coast Air Basin. Diesel particulates from the dense I-10 and I-15 warehouse corridor mix with trapped inland smog and clog filters, coat evaporator coils, and foul ductwork far faster than anything we see on the coast. In neighborhoods like Southridge and near Sierra Avenue, we’re often pulling filters that look like they’ve been in for six months after just six weeks of summer.

The housing stock tells its own story. Most of Fontana’s homes went up during the 1980s through early 2000s suburban boom after Kaiser Steel closed in 1983. Those stucco tract homes in North Fontana and along Foothill Boulevard now have original ductwork and R-22 refrigerant equipment hitting 25 to 40 years old, all failing at once. Pockets near the old mill site still contain 1950s and 60s worker cottages with undersized ducts that can’t handle modern air-handler tonnage without modification.

Then there’s the terrain. Fontana’s position at the base of the San Gabriel Mountains creates a thermal trough that traps heat well above 105°F, sometimes pushing 110°F, which is far beyond what coastal sizing charts assume. The Cajon Pass funnels sudden Santa Ana wind events that spike overnight loads and stress equipment that was margined for average peak conditions. And SCAQMD Rule 1111 mandates ultra-low-NOx furnaces for any replacement in this basin, eliminating most nationally sold models and adding sourcing complexity that technicians in Victorville or much of LA County simply don’t encounter.

Our Main Fontana Services

Most calls we handle in Fontana fall into three categories: cooling repairs during the brutal summer stretch, heating repairs when overnight lows drop into the 30s, and full system replacements when age and efficiency finally make repair uneconomical.

AC Repair in Fontana

When your AC quits in July, you’re not waiting until next week. We carry capacitors, contactors, and refrigerant for systems running hard in 105°F-plus conditions, and we see a lot of compressor strain in the older tracts near Citrus Avenue where equipment was sized before climate patterns shifted. Every repair comes with our written 365-Day Done Right Promise. AC Repair in Fontana

AC Repair in Fontana

Furnace Repair in Fontana

Fontana’s winter nights can dip below freezing, and when a furnace fails, it’s not just uncomfortable, it’s a genuine health risk for young children and older adults. We handle igniter replacements, flame sensor cleaning, and heat exchanger inspections on the gas furnaces common in post-1983 subdivisions. If we find a cracked heat exchanger, we’ll explain exactly why replacement is the only safe path. Furnace Repair in Fontana

Furnace Repair in Fontana

AC Installation in Fontana

New system installs here require load calculations that account for real peak conditions, not coastal assumptions. We also navigate SCAQMD Rule 1111 compliance for any furnace change-out, sourcing ultra-low-NOx units with a narrower supply chain than standard 80% AFUE models. You’ll get a written fixed price, a set install date, and we’ll handle rebate and financing paperwork. AC Installation in Fontana

AC Installation in Fontana
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 Fontana

Our technicians train on nine major residential brands, and we stock common parts for Trane, Lennox, Goodman, and Rheem to cut wait times on Fontana jobs. Most same-day repairs happen because the right capacitor, contactor, or board is already on the truck. our brands

Pricing for HVAC Company in Fontana, CA

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

What pushes Fontana jobs toward the higher end: SCAQMD-compliant ultra-low-NOx furnace sourcing, duct modifications for older worker-housing stock, and systems that have run overloaded for years and need more than a single component. What never changes: you’ll get the written price before any work begins, and that price doesn’t shift at the door.

Neighborhoods We Serve in Fontana

We run calls across the full city, from the older pockets near the former Kaiser Steel site to the newer developments pushing toward the foothills. Most Fontana neighborhoods see arrival windows within the same day for repairs.

  • Southridge
  • North Fontana
  • Hunter’s Ridge
  • Citrus Heights
  • West End (near the old mill site)

Service Area – Cities Near Fontana

Our Inland Empire crews cover the full corridor surrounding Fontana. We regularly run calls to Bloomington, CA just to the south, Rialto, CA to the west, and Rancho Cucamonga, CA to the east. Dispatch also coordinates service to Riverside, MD through the broader Kingswell network.

Serving Fontana, CA - Our Local Coverage Area

We’re based in the Fontana 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 Fontana

Ready to get started? Free estimates · 60-minute response in Fontana
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 Fontana 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 Fontana

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 Fontana - 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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