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 Norwalk, CA
Dalton Heating & Air handles HVAC work across Norwalk, CA, with a focus on the housing stock and climate conditions that actually shape repair and installation jobs here. Most Norwalk homes date from the 1950s through the 1970s, with original ductwork, minimal attic insulation, and cooling systems that work hard during summer heat spikes above 90°F. That combination means our technicians spend more time on duct sealing, system rightsizing, and efficiency retrofits than on simple part swaps. Every Norwalk job gets a written price before work starts, a written guarantee on repairs, and a crew that arrives inside the stated window. Call (562) 512-7423 for a free estimate.
Why Norwalk Homes Are Different
Norwalk’s pre-1980s housing stock is the single biggest factor in how HVAC work gets done here. The dense tracts of stucco and wood-frame single-family homes built during the post-war boom often lack adequate insulation and modern duct sealing. Original galvanized ductwork is common, and in many attics the insulation has settled to a fraction of its original R-value. That means a 3-ton air conditioner installed 20 years ago may have been sized for a house that leaked air everywhere, and now that the ducts are half-sealed and the windows upgraded, the system short-cycles and struggles. We see this pattern regularly in the neighborhoods east of the 605 Freeway and throughout the older central tracts.
The climate adds a second layer. Norwalk’s semi-arid Mediterranean pattern brings intense summer heat with frequent temperature spikes above 90°F, while cool marine layer mornings create wide daily swings. Poorly insulated homes feel those swings harder, and cooling demand climbs fast when the afternoon sun hits a west-facing stucco wall. Add in the original floor furnaces and wall heaters from the 1960s still operating in some older homes here, and you have a city where efficiency retrofits matter as much as the repair itself. Corroded gas valves and cracked heat exchangers on those old units are a hazard every local tech learns to check first.
Styles & brands we work with
Our Main Norwalk Services
Norwalk homeowners call us most about two things: cooling systems that quit during a heat spike, and aging furnaces that need attention before winter. Each service has its own dedicated Norwalk page below.
AC Repair in Norwalk
When an air conditioner stops cooling in Norwalk, the problem is rarely the thermostat. Our technicians start by checking refrigerant charge, condenser coil condition, and duct leaks, because homes here lose cooling capacity through deteriorating duct connections just as often as through a failed compressor. A refrigerant recharge, which means topping off the cooling fluid your system needs to reach set temperature, is a common fix on older R-22 systems still running in the 1950s – 1970s housing stock. We give you a written diagnosis and a written price before any work begins, and the repair is guaranteed in writing for a full year. Learn more on our AC Repair in Norwalk page.
Heat Pump Installation in Norwalk
Heat pump installation in Norwalk makes sense for homes where the furnace is nearing the end and the ductwork is salvageable. A heat pump handles both cooling and heating, which fits Norwalk’s climate well: it cools efficiently during summer heat spikes and provides heat on the cooler marine layer nights without a gas line. In older homes, we often recommend duct sealing or replacement alongside the install, because putting a new heat pump on leaking galvanized ductwork wastes the efficiency you paid for. Our Heat Pump Installation in Norwalk page covers sizing, rebates, and what the install actually involves.
Furnace Repair in Norwalk
Norwalk’s older homes hide a specific hazard: floor furnaces and wall heaters from the 1960s with corroded gas valves and cracked heat exchangers. A cracked heat exchanger leaks carbon monoxide, which is a life safety issue, not a comfort issue. If your furnace is short-cycling, making a rattling noise, or the flame looks yellow instead of blue, we check the heat exchanger first. Most furnace repairs in Norwalk run $150 – $700 depending on the part, and every repair includes a written guarantee. Full details are on our Furnace Repair in Norwalk page.
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 Norwalk
Dalton Heating & Air technicians are factory-trained to service nine major residential HVAC brands, including Carrier, Trane, Lennox, and Goodman. We stock common parts for these brands locally, which shortens turnaround on most Norwalk repairs. See the full list on our brands page.
See the difference
Before
After
Before
After
Before
AfterPricing for HVAC Company in Norwalk, CA
| Service | Typical range in Norwalk |
|---|---|
| AC repair (minor: capacitor, contactor, fuse) | $150 – $450 |
| AC repair (major: compressor, coil, reversing valve) | $450 – $650 |
| Furnace repair (minor: ignitor, flame sensor, pressure switch) | $150 – $450 |
| Furnace repair (major: heat exchanger, blower motor, gas valve) | $450 – $700 |
| AC installation (basic single-stage, existing ductwork) | $3,500 – $5,500 |
| AC installation (higher efficiency or larger system) | $5,500 – $7,500 |
| Tune-up (cooling or heating, 20+ point inspection) | $80 – $200 |
What pushes a Norwalk job toward the high end of these ranges is usually access and duct condition: a furnace in a tight attic crawlspace or an AC condenser buried in overgrown landscaping takes longer, and a system that needs duct sealing alongside a repair adds labor. Whatever the final number, it goes in writing before any work starts. That is The Garrison Code, and we do not deviate from it.
Neighborhoods We Serve in Norwalk
We cover all of Norwalk, including the older central tracts and the neighborhoods east of the 605 Freeway where mid-century homes are densest. Our typical response for non-emergency calls is same-day or next-day, and emergency calls get routed to the nearest available technician when you call.
- Central Norwalk (including the Civic Center area)
- East Norwalk (east of the 605 Freeway)
- South Norwalk (south of Rosecrans Avenue)
- West Norwalk (near the San Gabriel River)
- Norwalk Hills (northern residential tract)
Service Area – Cities Near Norwalk
If you’re in a neighboring city, we may cover your area too. Dalton Heating & Air serves Cerritos, CA directly to the south, Santa Fe Springs, CA to the north, Artesia, CA to the southwest, and Bellflower, CA to the west. Dispatch and scheduling are coordinated from our Los Angeles office, with local crews serving Norwalk and the surrounding area.
Serving Norwalk, CA - Our Local Coverage Area
We’re based in the Norwalk 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 Norwalk
For most Norwalk calls, we arrive same-day or next-day. Emergency calls, like an AC failure during a heat spike or a furnace leaking gas, get priority routing when you call (562) 512-7423. The dispatch team answers live 24/7, so you’ll speak to a person, not a voicemail queue.
Most HVAC repairs and replacements in Norwalk require a mechanical permit from the city, and we handle that paperwork as part of the job. That includes system replacements and any work that touches gas lines or structural changes. The permit cost is included in your written quote, never added on later.
We cover the entire city, from Central Norwalk to the neighborhoods east of the 605 and north toward Norwalk Hills. There is no trip-charge penalty based on where you live in city limits. Call (562) 512-7423 for a free estimate and we’ll confirm your address on the spot.
If your AC is struggling in Norwalk’s heat, your furnace is showing its age, or you’re weighing a heat pump install, call Dalton Heating & Air at (562) 512-7423. We’ll give you a written price, a written guarantee on repairs, and a crew that shows up when we say we will.
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 Norwalk Customers Say
"Thermostat swapped for a programmable one and ducts checked for leaks. The house is more even now."
- Omar H."Blower motor died on the coldest night. They had the part on the truck and had us warm again the same day."
- Sandy G."Installed a heat pump to replace an old oil furnace. Three clear quotes and the install crew was tidy."
- Cheryl B.