Dalton Heating & Air hvac team

HVAC Company in Lafayette - On-Site Today, No Overtime Charge

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 Lafayette, CA

Dalton Heating & Air is the HVAC company Lafayette homeowners call when they want the price in writing before the first tool comes off the truck. Heating and cooling systems here work hard through foggy, damp winters and stretches of 90-plus degree summer days, which makes failures feel urgent fast. Call (361) 306-9515 any hour and a live person answers, not a voicemail queue. We service all nine major residential HVAC brands and stand behind every repair with a full-year written guarantee.

Call (361) 306-9515

Why Lafayette Homes Are Different

Housing stock in Lafayette runs older than most of Contra Costa County. Plenty of homes, particularly in the Happy Valley area and along Reliez Valley Road, were built in the 1950s and 1960s. That means smaller return-air plenums than modern code expects, ductwork that has absorbed decades of use, and electrical panels that were never sized for today’s heat pump loads. The terrain makes a difference too. Many properties sit on hillsides with tight side yards, so condenser placement, drainage, and code-required clearances take real planning, not a generic install template.

The microclimate matters as well. Lafayette sits in the Lamorinda corridor, where east-facing hillsides bake in the afternoon sun and lower pockets near the creek line stay damp and cool longer. We see a real split across town: homes up in the hills run air conditioning harder across July and August, while homes near Happy Valley Road and the downtown flatlands deal with more humidity in the crawlspace and furnace cabinet. Equipment that runs clean on one street can be fighting moisture and short cycling on another. All of that changes how we size, place, and maintain a system, and it’s exactly the local knowledge you get when Dalton Heating & Air rolls up in Lafayette, CA.

Our Main Lafayette Services

Most calls we take in Lafayette come down to one of three things: a cooling system that quit or is limping along, a furnace that will not hold a flame, or a homeowner who wants to move off gas or an aging AC and switch to a heat pump. Each of those gets its own page with Lafayette pricing and what to expect.

AC Repair in Lafayette

When your air conditioning stops keeping up with an August afternoon in Lafayette, we diagnose the problem and put the repair price in writing before any work begins. Our techs are factory-trained on Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. Every air conditioning repair includes a written guarantee for a full year, and if the fix does not hold, we come back at no charge. See the full breakdown on our AC Repair in Lafayette page.

AC Repair in Lafayette

Heat Pump Installation in Lafayette

Heat pumps work well in Lafayette because they handle both the valley heat and the damp, cool winters without a separate furnace. The job involves a load calculation, an honest look at your ductwork and electrical panel, and a fixed installation date with a written price that does not change at the door. We walk you through available rebates and do the paperwork, and every install carries our 365-Day Done Right Promise. Details are on the Heat Pump Installation in Lafayette page.

Heat Pump Installation in Lafayette

Furnace Repair in Lafayette

Furnace failures in Lafayette often trace back to damp air, older venting, or wear on the heat exchanger from thousands of short cycles. We diagnose the issue plainly, explain what caused it in terms you can repeat, and hand you a written price before we touch a single fastener. The repair is guaranteed in writing for a full year. When a furnace leaves you without heat on a cold, foggy night, call (361) 306-9515. We answer live. More on that at Furnace Repair in Lafayette.

Furnace Repair in Lafayette
Need help today?Fast, friendly service and a no-obligation free estimate.

Call (361) 306-9515

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 Lafayette

Our Lafayette trucks are stocked with common parts for Goodman, Rheem, York, and Daikin systems, which cuts down the back-and-forth that turns a simple repair into a two-visit ordeal. For less common parts, our supply runs within the Bay Area keep most Lafayette repairs done same-day or next morning. See the full list on our brands page.

Pricing for HVAC Company in Lafayette, CA

Service Typical range in Lafayette
AC repair $150 – $650
Furnace repair $150 – $700
AC installation $3,500 – $7,500
Tune-up $80 – $200

Prices in Lafayette push toward the higher end when equipment sits on a hillside with tight access, when the job needs code upgrades to an older electrical panel, or when a home’s ductwork was sized for a smaller system decades ago. Whatever the total, Dalton Heating & Air puts every number in writing before any work starts, so the quote you approve is the price you pay.

Neighborhoods We Serve in Lafayette

Our crews run all over Lafayette, CA, and know the streets and terrain well enough to quote accurately over the phone more often than not. Typical response time across Lafayette is same-day for emergency calls and within one to two days for scheduled maintenance.

  • Downtown Lafayette
  • Happy Valley
  • Reliez Valley
  • Burton Valley
  • Trails area

Service Area – Cities Near Lafayette

Beyond Lafayette, our crews cover the surrounding Lamorinda and central Contra Costa communities, including Walnut Creek, CA, Orinda, CA, Moraga, CA, and Pleasant Hill, CA. Dispatch is coordinated from our San Francisco Bay Area office, but scheduling and repairs are handled by local Lafayette crews who know the area and the homes here.

Serving Lafayette, CA - Our Local Coverage Area

We’re based in the Lafayette 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 Lafayette

Ready to get started? Free estimates · within the hour response in Lafayette
Call (361) 306-9515

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 Lafayette Customers Say

★★★★★ 5.0 from 7+ reviews

"Blower motor died on the coldest night. They had the part on the truck and had us warm again the same day."

- Sandy G.

"Changed the filter size and added a better filter rack. Simple and useful advice."

- Rhonda C.

"Honest, direct people. Told me what the furnace needed and nothing more, and the bill matched."

- Eliza S.

How It Works in Lafayette

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 Lafayette - 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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