Furnace & heating
AC repair
Heat pumps
Ductless mini splits
Carrier
Trane
GoodmanSeasonal 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.
Get your free estimateHVAC Company in Chatsworth, CA
Chatsworth HVAC work runs into conditions most Valley technicians never see: 110°F summer days, Santa Ana winds that pack condenser coils with grit, and ranch properties built in the 1950s and 60s with ductwork sized for equipment that’s been obsolete for decades. Dalton Heating & Air handles all of it with written pricing before any work starts and a full-year guarantee on every repair. If your AC quits on a August afternoon or your furnace won’t fire on a January night, call (661) 621-3712 and a real person answers.
Why Chatsworth Homes Are Different
Chatsworth sits at the far northwest corner of the San Fernando Valley, right where the terrain turns rocky and the Santa Susana Pass climbs toward Simi Valley. That geography changes the work. Homes up in the hills off Santa Susana Pass Road and Topanga Canyon Boulevard have steep driveways, tight clearances around outdoor units, and condensate drainage that has to be routed around boulders and uneven grade. We plan for that before the truck rolls.
The housing stock leans heavily to single-family detached homes built from the 1950s through the 1970s: ranch and traditional styles, wood framing, stucco exteriors. Many still run original ductwork sized for older, lower-efficiency systems. When homeowners upgrade to a modern heat pump or high-efficiency AC, the ducts often need modification to move air properly. North of the 118, larger estate properties and equestrian ranches with barns and outbuildings are common, and those jobs usually call for split-system designs that keep noise and dust away from horses and living spaces alike.
Santa Ana winds in fall push fine dust into condenser coils and clog filters fast. Combined with weeks of 100°F-plus heat, bearings in condenser fan motors fail faster here than in most of the Valley. We keep extra fan motors and capacitors on the trucks that serve Chatsworth for that reason.
Styles & brands we work with







Our Main Chatsworth Services
Most calls from Chatsworth homeowners are for one of three jobs: getting a failed AC running again, replacing an aging system with a heat pump, or repairing a furnace that won’t heat the house on cold winter nights.
AC Repair in Chatsworth
When the temperature hits 105°F and the compressor won’t start, you need a diagnosis fast. Our techs check refrigerant charge, capacitor health, contactor wear, coil condition, and airflow before quoting any work. On Chatsworth hillside homes, we also inspect condensate drainage, because a clogged line on a sloped lot can back up into the unit. Most repairs run $150 – $650 depending on the part. See AC Repair in Chatsworth for full pricing and what we check on every call.

Heat Pump Installation in Chatsworth
A heat pump handles both cooling and heating, which works well in Chatsworth’s hot summers and mild winters. The catch on older homes is duct sizing: 1950s and 60s ductwork often can’t move the air a modern heat pump produces. We measure static pressure and airflow before recommending a system size. Ranch properties with barns sometimes need two separate systems to serve the house and outbuildings. See Heat Pump Installation in Chatsworth for cost ranges and what installation includes.

Furnace Repair in Chatsworth
Chatsworth winters are mild but when a furnace fails on a 35°F night, the house gets cold fast. Common failures here include dirty flame sensors, failed igniters, and blower motors caked with dust from Santa Ana winds. We diagnose the specific fault, put the repair price in writing, and guarantee the work for a full year. Most furnace repairs run $150 – $700 depending on the part needed. See Furnace Repair in Chatsworth for details on what we check and typical repair times.

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 Chatsworth
We’re factory-trained on nine major residential brands, including Goodman, Rheem, York, and Daikin. Common parts for these systems are stocked on our trucks, so most repairs in Chatsworth are finished the same visit rather than waiting on a second trip. See our brands for the full list and what factory training means for your repair.
See the difference
Before
After
Before
After
Before
AfterPricing for HVAC Company in Chatsworth, CA
| Service | Typical range in Chatsworth |
|---|---|
| AC repair | $150 – $650 |
| Furnace repair | $150 – $700 |
| AC installation (full system) | $3,500 – $7,500 |
| Tune-up / maintenance visit | $80 – $200 |
What pushes a Chatsworth job toward the high end is usually access, not parts. A condenser squeezed onto a hillside pad off Santa Susana Pass Road takes longer to service than one sitting on flat ground. Duct modifications on 60-year-old ranch homes add labor too. Whatever the number, you get it in writing before any work begins.
Neighborhoods We Serve in Chatsworth
We run calls across all of Chatsworth, from the flatlands south of the 118 up into the hills and ranch country to the north.
- Chatsworth North / Santa Susana Pass area
- Lake Manor
- Chatsworth Lake
- Old Chatsworth / downtown area
- Mason Park / south of Lassen
For most Chatsworth calls we can have a truck to you the same day. Hillside addresses off Santa Susana Pass Road may add a little time in heavy traffic, but the diagnostic price doesn’t change.
Service Area – Cities Near Chatsworth
Dalton Heating & Air serves Chatsworth and the surrounding northwest Valley communities. Our crews regularly work in Porter Ranch, CA, Northridge, CA, Winnetka, CA, and Reseda, CA. Dispatch is coordinated from our Los Angeles office, with technicians who live and work in the Chatsworth service area.
Serving Chatsworth, CA - Our Local Coverage Area
We’re based in the Chatsworth 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 Chatsworth
Most Chatsworth calls get same-day service. We keep trucks staged around the northwest Valley, including near Chatsworth, so a technician can usually reach most homes within a few hours. Call (661) 621-3712 and the dispatcher will give you a straight answer on timing.
Yes. Many Chatsworth properties north of the 118 include barns, stables, or outbuildings, and we design split systems that keep outdoor noise and dust away from animals. We also service existing equipment on ranch properties and can add a second system for outbuildings if the main unit can’t cover the space.
Most full system replacements in Chatsworth require a permit, and the city of Los Angeles handles permitting for the area. Dalton Heating & Air pulls permits when the job calls for them and schedules the inspection as part of the installation. Small repairs and part replacements typically don’t need a permit.
If your AC, heat pump, or furnace is giving you trouble in Chatsworth, call (661) 621-3712. You’ll talk to a live person, get a straight answer, and get a written price before any work starts. That’s how we do it on every job, no exceptions.
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 Chatsworth Customers Say
"Installed a heat pump to replace an old oil furnace. Three clear quotes and the install crew was tidy."
- Cheryl B."Blower motor died on the coldest night. They had the part on the truck and had us warm again the same day."
- Sandy G."Tech arrived in uniform right on time. AC wasn't cooling, found a failed capacitor, and replaced it in twenty minutes. The owner is a veteran and the company runs like it."
- Frank O.