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 Alamo, CA
Alamo sits in a pocket of Contra Costa County where summer heat stacks against canyon shade, and homes range from 1960s ranchers to custom builds up in the hills. That mix means no single HVAC approach fits every house, which is exactly why we send factory-trained technicians who see Alamo jobs every week, not trainees guessing at a one-size answer. Dalton Heating & Air runs on a simple set of terms: the price goes in writing before any work starts, the repair is guaranteed in writing for a full year, and a real person answers the phone at (361) 306-9515 any hour you call.
Why Alamo Homes Are Different
Alamo’s housing stock lands in two broad camps. The flatlands around Danville Boulevard and Stone Valley Road hold a lot of 1960s and 1970s construction: single-pane windows, duct runs that were sized for a smaller system, and furnaces in hallway closets with tight clearance. The hillside properties off Roundhill Road and Livorna Road are newer but deal with long equipment runtimes because afternoon sun hits west-facing walls hard. Both setups stress systems differently, and both reward a technician who checks duct condition and static pressure before swapping parts. Homes here also sit in fire-hardening zones, which means homeowners expect exhaust and intake lines sealed to current code expectations, not just patched well enough to pass a glance. The result is that Alamo calls trend toward older systems being repaired carefully rather than being torn out early, and newer systems being maintained on schedule so they do not cook a compressor in August.
Our Main Alamo Services
Most Alamo homeowners reach for us on two fronts: a system that stopped cooling in the middle of a heat spike, and a long-term plan to replace aging equipment with something more efficient. Here is what each looks like in Alamo.
AC Repair in Alamo
When an Alamo central air unit quits in July, the first thing we check is not the thermostat, it is what the condenser outside has been breathing. Alamo’s dry summer dust plus oak and pine debris off the hillsides can choke a coil in a single season, and a clogged coil drives head pressure up until a compressor shuts down on thermal overload. We pull readings, show you what failed, and only then put a price in writing. Most Alamo AC repairs run $150 – $650 depending on the part and the unit. Full details on cost, brands, and our same-day response are on our AC Repair in Alamo page.

Heat Pump Installation in Alamo
More Alamo homeowners are replacing straight air-conditioner and furnace pairs with a single heat pump, especially in houses where gas lines are old or the furnace sits in an interior closet with no realistic path for new venting. A heat pump moves heat instead of making it, which suits Alamo’s mild winters and gives you one unit doing both jobs. Installation in an Alamo home runs $3500 – $7500, shaped by the size of the house, the duct condition, and whether we are pulling out old equipment. For load calculations, rebate paperwork, and what the install day actually looks like on your street, see our Heat Pump Installation in Alamo page.

Furnace Repair in Alamo
Alamo’s furnace season is short but it is not optional. We get calls on the first cold night in November from homes where the furnace tried to light and the rollout switch tripped, or where a blower motor seized after sitting all summer. The older closets along Danville Boulevard are tight quarters, and that means a repair technician needs to be deliberate about airflow and clearance, not just swap a part and leave. Most Alamo furnace repairs run $150 – $700 depending on the part, and every one carries our written one-year guarantee. The full pricing breakdown lives on our Furnace Repair in Alamo 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 Alamo
We are factory-trained on the equipment Alamo homes actually run: Trane, Lennox, Goodman, Rheem, plus five more major residential lines. Common capacitors, contactors, igniters, and blower motors for those brands ride on our trucks daily, which cuts most Alamo repairs down to a single visit. See the full list on our brands page.
Pricing for HVAC Company in Alamo, CA
| Service | Typical range in Alamo |
|---|---|
| AC repair | $150 – $650 |
| Furnace repair | $150 – $700 |
| AC installation | $3,500 – $7,500 |
| Tune-up | $80 – $200 |
What pushes Alamo pricing toward the top of those ranges is usually access: a condenser pad built into a hillside retaining wall, a furnace in a closet that needs a door pulled to reach the blower, or a duct run through a crawlspace with low clearance. What does not push the price up is a technician deciding at the door that the job is worth more than the phone quote, because the price on our work order is the price, full stop, in writing before anything starts.
Neighborhoods We Serve in Alamo
We run calls across Alamo every day: flatland sections, hill estates, and the unincorporated pockets where the lots get bigger and the crawlspaces get tighter. Same-day response is realistic in most of Alamo because our San Francisco Bay Area dispatch office keeps trucks staged along the 680 corridor rather than forcing everything through one yard.
- Stone Valley Road corridor
- Danville Boulevard and surrounding flatlands
- Roundhill Road hillside area
- Livorna Road and east-side neighborhoods
- Alamo Springs and the west-side developments
Service Area – Cities Near Alamo
Beyond Alamo, we regularly schedule work in the neighboring Contra Costa communities, including Walnut Creek, CA, Lafayette, CA, and Danville, CA, plus Moraga, CA up over the hill. Crews are dispatched from our San Francisco Bay Area office and serve Alamo locally, so the response time stays short without routing calls through a distant headquarters.
Serving Alamo, CA - Our Local Coverage Area
We’re based in the Alamo 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 Alamo
Most Alamo addresses can get same-day service for a failed AC or furnace, because our dispatch keeps trucks staged along the 680 corridor during business hours and a live person routes emergency calls at night. The window is stated when you book, and the technician arrives inside it.
Contra Costa County requires permits for full system replacements and some ductwork changes, and the specifics vary between incorporated Alamo and the unincorporated county pockets. We handle the permit paperwork and scheduling inspection as part of the installation, so it is not another item on your list.
Yes, and we treat those jobs with the care they call for: sealed penetrations, proper clearances around exterior condenser lines, and equipment placed where it will not become a heat or debris trap. The work is done to current code expectations, not to a lower standard that gets circled later on an inspection report.
If your system needs a second set of eyes, call (361) 306-9515 for a free estimate. A technician will arrive inside the window, put the price in writing, and stand behind the repair for a full year. That is the deal on every job, including yours in Alamo.
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 Alamo Customers Say
"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."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.







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