AC repair
Furnace & heating
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 San Jose, CA
When a furnace quits in a 1960s east-side ranch house, the replacement isn’t a simple swap. San Jose’s postwar tracts were built without central heat, and the closet units and improvised duct runs added later rarely match what a modern furnace needs. We handle furnace replacement across the city with that reality in mind, alongside AC installation and furnace repair, so one contractor covers both seasons. Our technicians have up to 10 years of experience and work on nine major brands. Call (833) 573-8799 for a free estimate.
Why San Jose Homes Are Different
San Jose sits in a Mediterranean valley with mild wet winters and warm dry summers, but the weather isn’t uniform across the city. Inland east and south neighborhoods run noticeably hotter than the bay-influenced north, and the foothills above 95135 and 95138 see bigger swings than the flatlands. Meanwhile, much of the housing stock tells a different story than the climate does – many of the tract ranch homes from the 1950s through the 1970s were originally built without central HVAC, then retrofitted with attic or crawlspace ductwork bolted onto a structure that was never planned for it.
The collision is real. Homeowners in ZIPs like 95126 want smart thermostats and zoned comfort dropped into a house built before anyone thought of it, while a July heat wave can push attic temperatures past 140°F and cook flex duct decades before the equipment itself fails. Wildfire smoke from the Santa Cruz Mountains and Diablo Range adds another layer, making filtration and air sealing a year-round ask rather than a summer one. Any contractor working in San Jose has to solve for the house as it exists, not the house the brochure imagined.
Styles & brands we work with
- AC repair
- Furnace & heating
- Heat pumps
- Ductless mini splits
- Carrier
- Trane
- Goodman
Our Main San Jose Services
Two jobs come up more than any other for San Jose homeowners: adding cooling to a house that never had it, and keeping the heat running when winter arrives.
AC Installation in San Jose
Adding central air to a postwar ranch home is a design problem before it’s an equipment problem. Attic and crawlspace duct paths need to be sized for the actual load, not the original closet furnace’s return. In the flat-roof tracts around east San Jose, that often means rethinking where ductwork runs so it survives attic heat. For larger foothill homes, zoned systems make more sense than a single oversized unit. We size the system, handle the duct strategy, and set the install date. See AC Installation in San Jose for the full picture.

Furnace Repair in San Jose
Older furnaces in San Jose tend to fail in predictable ways: a cracked heat exchanger in a unit that’s been running hard in a tight closet, a blower that’s been fighting undersized return air since the day it was installed, or an ignition problem that shows up on the first cold morning of November. We diagnose what’s actually in your home, whether it’s a Goodman, a Rheem, or something older, and tell you plainly whether it’s worth fixing. Details live on our Furnace Repair in San Jose page.

Furnace Replacement in San Jose
Furnace replacement in San Jose is usually a question of when, not if. Much of the city’s housing runs on furnaces installed decades ago in closets and alcoves that were never designed for modern equipment, and the combination of a mild but damp winter and a retrofit duct system that’s been working against the unit for years pushes those systems toward failure faster than the badge on the door would suggest. That’s the math most San Jose homeowners are working through: is a repair still sensible, or does a replacement make more sense this year? We give you a straight answer either way, and our Furnace Replacement page covers the full process.
Closet Furnace Replacement
Older San Jose homes often run a furnace stuffed into a closet with a return-air path that was sized for the original unit, not the AC added later. Replacing that furnace means looking at the whole air path, not just the box.
Signs you need it
Your furnace sits in a closet, the return air is clearly undersized, and the unit has started short-cycling or struggling to heat the whole house.
What it costs in San Jose
Most closet furnace replacements land in the furnace repair range of $175 – $825 for the diagnostic scope, with the full replacement cost confirmed in the written estimate.
How we do it
We measure the closet, check the return-air path, size the new furnace to the load, and set a replacement that fits the space without overloading the ductwork.
Attic and Crawlspace Furnace Replacement
In homes where the furnace lives in the attic or crawlspace, the trick is reaching it without disturbing the duct run, and replacing it in a way that doesn’t leave a gap the flex duct was already struggling with.
Signs you need it
You’re seeing rust, soot, or repeated ignition failures on a unit tucked into an attic or crawlspace that’s been running against high heat.
What it costs in San Jose
Replacement in these locations typically falls in the same furnace replacement range, with the final price confirmed by the written estimate after we see the access and duct layout.
How we do it
We inspect the supply and return paths, remove the old unit, and install the new furnace with the connections checked and the airflow verified before we leave.
What Furnace Replacement Costs in San Jose
These are typical estimated ranges, not a quote. The written estimate after we see your home sets the final price.
| Item | Typical range in San Jose |
|---|---|
| Furnace replacement (typical install) | $175 – $825 |
| Furnace replacement with closet retrofit | $175 – $825 |
| Furnace replacement with duct-path correction | $175 – $825 |
Can you replace my furnace the same day?
No. Furnace replacement is load-sized, ordered, and scheduled, so we book a set install date rather than promising same-day. The written estimate tells you what the job involves and what it costs before anything is ordered.
Should I repair or replace my furnace in San Jose?
It depends on the age of the unit, the condition of the heat exchanger, and how the duct system is working. We check all three and give you a straight recommendation, not a sales pitch. Call (833) 573-8799 for a free estimate.
Brands We Service in San Jose
We work on Goodman, Rheem, York, and Daikin systems as readily as the premium lines, because San Jose homes come with everything. Being factory-familiar across manufacturers means we diagnose what’s actually installed instead of steering you toward a brand. Turnaround depends on the part, not the badge. Read more about our brands.
See the difference
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These are typical estimated ranges for the work we do in San Jose. Every job gets a written estimate, and that estimate sets the final price.
| Service | Typical range in San Jose |
|---|---|
| AC repair | $175 – $765 |
| Furnace repair | $175 – $825 |
| AC installation | $4130 – $8850 |
| Tune-up | $95 – $235 |
What pushes price up in San Jose is usually the house, not the equipment: attic duct runs that need correction, closet retrofits where the return air was never sized for the unit, and foothill homes that need zoned systems rather than a single unit. We give you the upfront price before we start, so there’s no surprise on the invoice.
Neighborhoods We Serve in San Jose
We work throughout San Jose, from the flat-roof east-side tracts to the foothill custom homes above 95135 and 95138, and into the older central neighborhoods where retrofit ductwork is the norm. If you’re in the east or south, expect fast dispatch from 7am to 7pm to get to you promptly, and call ahead if you’re up in the hills so we can plan the access.
- East San Jose (95116, 95122)
- South San Jose (95111)
- Central San Jose (95126)
- Foothill neighborhoods (95135, 95138)
Service Area – Cities Near San Jose
San Jose sits in the middle of the South Bay, and we work the surrounding cities with the same crew and the same brand coverage. If you’re just outside the San Jose line, we can usually get to you on the same schedule. We serve Campbell, CA, Santa Clara, CA, Sunnyvale, CA, and Burbank, CA alongside San Jose. Call (833) 573-8799 to confirm coverage for your address.
Serving San Jose, CA – Our Local Coverage Area
We serve San Jose and nearby communities. Use the map below to see the area we cover. If you’re nearby, we can almost certainly help.
FAQs About HVAC Company in San Jose
We answer 24/7, and fast dispatch runs from 7am to 7pm Sunday through Friday. Most San Jose calls are scheduled into the next opening, and the technician arrives with the equipment already diagnosed from your description where possible.
Most cities require a permit for a furnace replacement, and San Jose is no exception. Your city’s building department can confirm the specifics for your address. We’ll walk you through what the permit covers before we schedule the install.
Yes. We cover the whole city, including the east and south flatlands and the foothill homes above 95135 and 95138. If you’re unsure about your address, call (833) 573-8799 and we’ll confirm coverage before we book.
Whether your furnace is on its last winter or your AC won’t start on the first hot day, one call handles both. Call (833) 573-8799 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
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.
- 3A background-checked tech heads outLicensed & insured, typically within 60 minutes.
- 4You approve before work beginsNothing starts until you say go.
What San Jose Customers Say
"Ductwork in the attic had a disconnected run that had been dumping cold air into the insulation for who knows how long. He found it, resealed it, and one bedroom that was always hot is now normal."
- Kurt Kowalski"Blower motor on a 12 year old furnace. He gave me the honest math on repair versus replace and did not push me toward the bigger ticket. We repaired it and it's been fine."
- Daniela Herrera"New system install, two days, and they were careful with the floors and the attic access the entire time. Registered the warranty for me and emailed the paperwork."
- Maria Martinez