Seasonal 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.
HVAC Company in Orange, CA
Dalton Heating & Air is the HVAC company homeowners in Orange call when they want a written price before work starts and a repair that holds. Most AC repairs in Orange run $150 – $650, and most furnace repairs run $150 – $700, depending on the part. We answer the phone with a live person 24/7, and every technician who comes to your door is background-checked and uniformed. Call (361) 306-9515 for a free estimate.
Why Orange Homes Are Different
Orange’s housing stock runs older than most of central Orange County, and that shapes every HVAC job we do here. The city’s historic core around Old Towne is full of homes built before 1950, which means plaster walls, tight attic access, and electrical panels that were never sized for modern AC loads. Add rooftop or side-yard condenser placement on small lots, and a straightforward repair can turn complicated fast. We regularly see systems in Orange that were installed in the 1980s and patched along ever since. That is not a reason to replace everything; it is a reason to have a technician who actually looks before quoting. The summer heat in Orange pushes systems hard from June through October, and when a compressor fails, it fails during a heat wave. We plan for that. Our crews know the neighborhoods, from the tree-lined streets near the Plaza to the hillside lots toward Villa Park, and we stock the parts that fail most often on the trucks, not back at a warehouse.
Our Main Orange Services
Orange homeowners call us most often for two things: an air conditioner that quit in the middle of a hot afternoon, and a furnace that will not light on the first cold night. Each service has its own page with pricing, what is covered, and what to expect.
AC Repair in Orange
When an AC quits in Orange, it is rarely a mystery; it is usually a failed capacitor, a refrigerant leak, or a contactor that has burned out. We diagnose it with the price in writing before any work begins, and the repair is guaranteed for a full year. If the fix does not hold, we return at no charge. For the full breakdown of what AC repair costs in Orange and how quickly we can get there, see AC Repair in Orange.

Heat Pump Installation in Orange
Heat pumps make sense for a lot of Orange homes because they handle both cooling and heating in one system, and the mild winters mean they run efficiently most of the year. Installation here often involves replacing an older furnace and AC pair, which means ductwork and electrical need a close look before we quote. We name the price in writing and set the install date, with rebate and financing paperwork handled. For the full Orange-specific guide, see Heat Pump Installation in Orange.

Furnace Repair in Orange
Furnaces in Orange do not get the workout that furnaces in colder climates do, which means failures often show up as a clogged burner, a failed ignitor, or a limit switch that trips and never resets. We carry those parts on the trucks in Orange, and the repair is guaranteed in writing for a full year. If it fails in that time, we return at no charge. See Furnace Repair in Orange for the full cost range and what we check first.

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 Orange
Our technicians are factory-trained to service Trane, Lennox, Goodman, and Rheem systems, along with the rest of the nine major residential HVAC brands we cover. We keep common repair parts for these brands stocked locally, so most Orange jobs are done in one visit. See our brands for the full list.
Pricing for HVAC Company in Orange, CA
| Service | Typical range in Orange |
|---|---|
| AC capacitor replacement | $150 – $400 |
| AC contactor replacement | $150 – $300 |
| AC refrigerant leak repair | $300 – $650 |
| AC condenser fan motor | $300 – $600 |
| Furnace ignitor replacement | $150 – $400 |
| Furnace flame sensor cleaning or replacement | $150 – $300 |
| Furnace blower motor replacement | $400 – $700 |
| Furnace pressure switch replacement | $150 – $350 |
| Complete AC installation | $3,500 – $7,500 |
| Preventive tune-up (AC or furnace) | $80 – $200 |
What pushes a repair toward the upper end in Orange is usually access: attic units in older homes, rooftop condensers where a second tech is needed for ladder safety, and systems that have not been maintained in years. Regardless of what the job costs, the price is on paper before any work starts, and that number does not move.
Neighborhoods We Serve in Orange
We work throughout Orange, and because our technicians live and dispatch locally, we can usually get to a home in the city within the hour for an emergency call.
- Old Towne Orange
- Orange Hills
- Santiago Hills
- El Modena
- Mabury Park
Service Area – Cities Near Orange
If you are just outside the Orange city line, we also serve Santa Ana, CA, Villa Park, CA, Tustin, CA, and Garden Grove, CA. Dispatch and scheduling are coordinated from our Los Angeles office, but the crews working these neighborhoods serve Orange and the surrounding cities locally.
Serving Orange, CA - Our Local Coverage Area
We’re based in the Orange 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 Orange
In most cases, we can have a technician at an Orange home within the hour. We answer the phone with a live person around the clock, and the time window you are quoted is the window we keep.
Replacement installations typically require a permit, and we handle that paperwork as part of the job. Repairs and tune-ups generally do not. We will tell you exactly what your job needs before any work begins.
Yes. Many Orange neighborhoods have HOA rules about where a condenser can sit and how it must be screened. We work with those requirements regularly and will quote around them before installation, not after.
If your AC or furnace is down in Orange, or if you are planning a replacement and want a written price before committing, call Dalton Heating & Air at (361) 306-9515. Estimates are free.
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 Orange Customers Say
"Good communication, tidy, and disciplined work. Taped off the floor and wiped the unit down."
- Karen J."Installed a heat pump to replace an old oil furnace. Three clear quotes and the install crew was tidy."
- Cheryl B."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.







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