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 Pleasanton, CA
Dalton Heating & Air is a Garrison Partners HVAC company serving Pleasanton, CA with repair and installation work that gets quoted in writing before anyone touches your system. Pleasanton jobs run hotter than most of the Bay Area in summer, and a large share of homes here were built between the late 1960s and early 2000s, which means ductwork and outdoor condensers are often aging on a similar timeline. We carry parts for Carrier, Trane, Lennox, Goodman, Rheem, and the other major brands into every call, respond with a live person around the clock, and back each repair with a full-year written guarantee. Call (361) 306-9515 for a free estimate.
Why Pleasanton Homes Are Different
Pleasanton sits in the Tri-Valley, on the warmer inland side of the East Bay hills. Summer highs routinely cross 90°F and can hang there for a week at a stretch, so a cooling system here is not a luxury; it is the difference between a livable August and a miserable one. Homes are quieter about it in winter, but January nights can dip to the high 30s, and older furnaces in this area see a real workout from late fall through early spring.
The housing stock matters when you diagnose a system. Central Pleasanton has a mix of 1950s and 1960s ranches, many with original or mid-life ductwork that was sized for a smaller cooling load. The neighborhoods east of downtown, around Val Vista and into the Birdland streets, trend toward 1970s and 1980s construction with split-level layouts that warm unevenly. Newer hillside developments and the pockets near Ruby Hill run larger systems, sometimes zoned, and those controls need a technician who understands staged equipment rather than guessing at a bad thermostat. Permits in Pleasanton are handled through the city building division, and for equipment change-outs, the mechanical permit is pulled before the crane or the install crew shows up. HOAs in the master-planned communities sometimes need a pre-approval for a visible condenser relocation, which is a five-minute call but worth making before the install date.
Our Main Pleasanton Services
Pleasanton homeowners call us most for three things: a cooling system that quit on a hot afternoon, a furnace that will not light on the first cold night of the year, and a heat pump swap that gets them off an aging gas furnace entirely. Each has its own Pleasanton page with prices, timelines, and what to expect.
AC Repair in Pleasanton
An air conditioner in Pleasanton that is blowing warm air or short-cycling is often low on refrigerant, a sign of a slow leak rather than a part that needs replacing, and we pressure-test and trace the line set instead of just topping off the system and hoping for the best. Capacitors fail regularly in this climate, especially on systems that cycle hard through a heat wave, and we stock the common sizes on the truck so most repairs finish in one visit. See our full breakdown at AC Repair in Pleasanton.

Heat Pump Installation in Pleasanton
A heat pump is a strong fit for Pleasanton’s climate: it cools through the summer and heats efficiently through the mild Tri-Valley winter, often letting you retire a gas furnace entirely. The installation is a load-calculated job, not a same-day swap; we size the unit to the home, run the electrical and line sets properly, and set a fixed install date with the price in writing before work starts. Details are on Heat Pump Installation in Pleasanton.

Furnace Repair in Pleasanton
Older Pleasanton homes often have furnaces that are twenty-plus years old, and the most common failures we see are ignition problems, failed inducer motors, and cracked heat exchangers on systems that have not been inspected in years. A cracked heat exchanger is a carbon monoxide risk, so we test it on every furnace call and shut the unit down if it fails rather than letting it run through the night. Read about typical repair work at Furnace Repair in Pleasanton.

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 Pleasanton
Our technicians are factory-trained on nine major residential HVAC brands, including Trane, Lennox, Goodman, and Rheem. We keep common capacitors, contactors, ignitors, and thermostats stocked in our Pleasanton service vehicles so most repairs are one-visit jobs rather than a four-day parts wait. See the full brand list on our brands page.
Pricing for HVAC Company in Pleasanton, CA
| Service | Typical range in Pleasanton |
|---|---|
| AC repair | $150 – $650 |
| Furnace repair | $150 – $700 |
| AC installation (full system) | $3,500 – $7,500 |
| Seasonal tune-up | $80 – $200 |
What pushes a Pleasanton job toward the high end of a range is usually access and age. A condenser squeezed into a side yard with fence clearance issues takes longer; so does a furnace in a cramped crawlspace in an older ranch. Regardless of where the number lands, the price is written down and agreed to before any work begins, and that number does not move when the job is finished.
Neighborhoods We Serve in Pleasanton
We run calls across all of Pleasanton, from the older downtown grid to the larger lots on the east side and the hillside streets above the 680 corridor. We typically reach most Pleasanton addresses within a few hours of the call, and emergency calls are available 24/7.
- Downtown Pleasanton and the older ranch neighborhoods around it
- Val Vista, Birdland, and the streets east of downtown
- Ruby Hill and the master-planned communities on the south side
- Hillside and foothill streets off the 680 corridor
Service Area – Cities Near Pleasanton
Our Pleasanton crews also cover surrounding Tri-Valley and East Bay communities. If you live just over the city line, you can still reach us at the same number. Nearby areas we serve include Dublin, CA, Livermore, CA, San Ramon, CA, and Hayward, CA.
Serving Pleasanton, CA - Our Local Coverage Area
We’re based in the Pleasanton 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 Pleasanton
Most Pleasanton calls are reached the same day, usually within a few hours. A call taken by a live person around the clock means a cooling failure on a 95°F afternoon does not sit until tomorrow. We schedule emergency visits 24/7 with no overtime charge.
Yes, a mechanical permit is required for equipment change-outs in Pleasanton. We pull the permit before the install and handle the paperwork as part of the job. If an HOA needs condenser placement approval, we flag that early so the install date does not slip.
Our crews work throughout Pleasanton and the adjacent Tri-Valley and East Bay cities, including Dublin, Livermore, San Ramon, and Hayward. If you are unsure whether your street is in our area, call (361) 306-9515 and a live person will confirm it in under a minute. 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 Pleasanton Customers Say
"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.







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