Like-for-like replacement in an existing system
$4,500–$6,500 installed, total — equipment + labor + haul-away + permit, quoted once
Actual EVS work
Bay Area HVAC service
Furnace Installation in Sunnyvale, CA — Fixed-Price Quote, One-Day Installs
EVS Mechanical replaces furnaces across Sunnyvale — the post-war ranch tracts, the Eichler pockets near Fairbrae, the older homes around the Heritage District. Written quote itemized to the dollar, permit and inspection handled, no sales commissions baked into the number. Family-run, 5.0-star rated.
CA Lic #1089826Licensed · Insured · BondedFree in-home estimatePermits & inspection handled
Furnace installation in Sunnyvale, CA — EVS Mechanical replaces gas furnaces in Sunnyvale's post-war ranch tracts, Fairbrae-area Eichlers, and Heritage District homes, about 10 minutes from our Santa Clara shop. Fixed-price written quote, permit included, all major brands. CA Lic #1089826. Call (408) 300-8254.
Fall: Sunnyvale furnaces sit dormant from April through October. The first genuinely cold night of the season is when marginal units quit — if yours needed a nudge to start last winter, quote the replacement now, before the queue forms.
What Is Furnace Installation in Sunnyvale?
Furnace installation in Sunnyvale is mostly replacing the original-heating-era furnaces of a city that boomed after the war — Lockheed, the orchards turning into tracts, and the 1950s–70s ranch homes that still hold most of the housing stock. Add the Eichler streets near Fairbrae heating with radiant slabs instead of furnaces, and the Heritage District's pre-war homes on their second or third heating system, and "Sunnyvale furnace installation" is really three different jobs sharing one search term — EVS Mechanical is the contractor that does all three, from Bassett Street, ten minutes up the 101.
When to call about yours:
- Two repair visits in one season — that math usually pays half a replacement
- The heat exchanger failed, or the unit's pushing 20 and you know what that means
- The ductwork in your Ponderosa or Birdland ranch is as original as the furnace, and both are tired together
- Your Fairbrae-area Eichler has no furnace at all, and the boiler-versus-conversion question needs real numbers
- The Heritage District house still runs a wall furnace on a chimney that predates it
- The CO detector flagged the unit or you smell gas — shut it off and call
Who this is for: Homeowners and property managers in the Heritage District, Fairbrae, Cherry Orchard, Birdlands, Ponderosa, Sunnyvale West, and the Lawrence Station corridor.
What you get from an EVS install
Ten minutes away, not a dispatch zone.
Our shop sits on Bassett Street in Santa Clara — up the 101 or De La Cruz and you're in Sunnyvale before most companies have confirmed the appointment.
We know which Sunnyvale house has which system.
Ranch tract = attic or closet gas furnace on original ductwork. Fairbrae Eichler = boiler, no ducts. Heritage District = wall furnace on a century-old chimney. The quote reflects which one you actually own.
Fixed-price written quote.
Equipment, labor, haul-away, permit fees — line by line, before we start. The quote is the price.
Repair-first honesty.
We do both repairs and replacements, so when a 12-year-old furnace needs a $300 ignitor instead of $5,000 in new equipment, we say so and take the small job.
Owner-accountable.
Euler and Axel oversee every install. No subcontracted crews, no call centers, and warranty follow-up goes to the people who did the work.
Ten minutes away, not a dispatch zone.
Our shop sits on Bassett Street in Santa Clara — up the 101 or De La Cruz and you're in Sunnyvale before most companies have confirmed the appointment.
We know which Sunnyvale house has which system.
Ranch tract = attic or closet gas furnace on original ductwork. Fairbrae Eichler = boiler, no ducts. Heritage District = wall furnace on a century-old chimney. The quote reflects which one you actually own.
Fixed-price written quote.
Equipment, labor, haul-away, permit fees — line by line, before we start. The quote is the price.
Repair-first honesty.
We do both repairs and replacements, so when a 12-year-old furnace needs a $300 ignitor instead of $5,000 in new equipment, we say so and take the small job.
Owner-accountable.
Euler and Axel oversee every install. No subcontracted crews, no call centers, and warranty follow-up goes to the people who did the work.
How EVS Is Different from Other Sunnyvale Furnace Installers
Sunnyvale's furnace search returns big ad budgets: regional fleets with hundreds of reviews, big-box installation programs, and lead-gen sites that sell your inquiry to whoever bids on it. Any of them can put a furnace in. What varies is who actually shows up, what the final invoice says, and who picks up the phone in January. If you want a dedicated local team handling your permits, backing the labor warranty, and treating the house like their own — Sunnyvale customers tell us that part mattered most — that's the shop we run. Call (408) 300-8254.
| You're weighing | The fleets & marketplaces | EVS Mechanical |
|---|---|---|
| Who quotes you | A salesperson with a quota | A technician with a load calculation — the same person accountable for the install |
| Who does the work | Dispatched subcontractors | Our own crew, from our Bassett Street shop ten minutes away |
| Communication | Call center queues and ticket numbers | You talk to Axel or Euler — the people who ran your job |
| Permits & warranty | Buried in fine print or upsold | Included in the quote; warranty follow-up comes from the crew that did the work |
| Price | Commission-loaded teaser, then "found issues" | Fixed written quote — the number we quoted is the number you pay |
Our Work
Real installs — our crew on every job
Gas furnace installed in closet alcove
Carrier outdoor condenser unit on pad
Bryant gas furnace in garage
TOSOT heat pump outdoor unit
Furnace on raised platform in utility closet
Air handler with insulated ductwork in attic
HVAC unit with ductwork in crawlspace
Furnace installation in garage
Garage HVAC system wide view
EVS technicians servicing a Lochinvar commercial rooftop unit
EVS technician working on commercial rooftop HVAC equipment
Two TOSOT heat pump units installed on a flat roof
New TOSOT heat pump installation on a flat roof
TOSOT inverter heat pump dual-fan condenser
TOSOT heat pump with EnergyGuide rating, rooftop install
TOSOT condenser unit secured on a flat roof
Completed rooftop heat pump installation, wide view
Air handler with new insulated ductwork installation
Pricing
Typical ranges for planning
01 / 05
Higher cost:
Venting retrofits, chimney relining, gas-line resizing, ductwork replacement, attic access, asbestos remediation (pre-1980 homes), seismic gas shutoff valve
Lower cost:
Same-location swap, easy closet access, off-season scheduling, bundling with AC replacement
Financing: Coming soon — call for current options.
Rebates: Sunnyvale sits in Silicon Valley Clean Energy territory — SVCE programs, TECH Clean California, and the federal 25C credit can stack on qualifying high-efficiency and heat-pump installs. We confirm eligibility during the estimate.
Customer reviews
5.0
62 Google reviews
What EVS customers say
Real Google reviews from EVS jobs across the Bay Area.
“EVS Mechanical made what could have been a stressful process incredibly smooth. They diagnosed and repaired our HVAC system quickly and got everything running again. They didn't just do the work — they made sure we understood what was happening and why. Honest pricing. They didn't try to upsell us on things we didn't need. Really appreciated that they were on time and ready to work. If you need HVAC work done right, call EVS Mechanical. You won't be disappointed.”
MCVerified
Michael Cheung
HVAC repair · Bay Area
“The EVS Mechanical team were great! The EVS team showed up on time and completed the heat pump installation in one day as promised. Axel stayed on top of the whole process from quote to final inspection and communication was awesome. EVS made the whole process seamless. The pricing was more than fair for the quality of work we received. Every person on the crew was courteous and professional. When the installation was finished I couldn't tell they had been in the house. Thanks to EVS Mechanical we have heating and air conditioning again making for a comfortable house. I strongly recommend EVS Mechanical for all your HVAC needs.”
SCVerified
Scott Clark
Heat pump installation, one day · Bay Area
“Really impressed with EVS Mechanical. They earned every one of these five stars. The heat pump they installed has been incredibly efficient — our energy bills have actually dropped. Punctuality was great — they showed up exactly when they said they would. Appreciated how careful they were with our home during the installation. Would absolutely recommend EVS to anyone in the Bay Area. Thank you, EVS Mechanical, for the outstanding work!”
NVerified
Nate
Heat pump installation · Bay Area
Frequently Asked Questions
A like-for-like gas furnace replacement runs $4,500–$6,500 installed — equipment, labor, old-unit haul-away, and the city permit included. High-efficiency units and homes needing venting, ductwork, or asbestos remediation cost more; every line is in the written quote before you commit. Estimates are free.
Once the quote is approved, most like-for-like installs are a single day. We recently took two furnaces from Saturday quote to Monday installation. If your heat dies mid-season, call (408) 300-8254 — we're about ten minutes away and plan same-day capacity during the first cold snap.
It's a different system, not a defect. The Fairbrae-area Eichlers heat with radiant slabs off a gas boiler. We service those boilers and quote conversion paths (ductless, ducted heat pump) with real numbers when you're ready to consider cooling or full-electric.
Yes — the City of Sunnyvale requires a permit with combustion-safety verification at inspection. EVS handles the permit and the inspector scheduling as part of the install.
Repair if the unit is under ~10 years old and it's a single component. Replace if it's 15+ years old, the heat exchanger is cracked, or the repair exceeds half of replacement cost. We do both — see furnace repair in Sunnyvale for the repair-side detail — so the advice doesn't have a sales quota behind it. You get the reading and the math, then your call.
Carrier, Trane, Lennox, Goodman, Rheem, Bryant, American Standard, and more — multi-brand means the recommendation follows your house and budget, not one manufacturer's spiff.
Size follows the load calculation, not the square footage alone — but a 2,000 sq ft Sunnyvale ranch typically lands a furnace in the 60,000–80,000 BTU range, and like-for-like replacement in that bracket runs within our standard $4,500–$6,500 installed range. Square footage only pushes cost when it means a bigger gas line, a second zone, or ductwork the old furnace never served. The free estimate measures the actual house instead of guessing from the listing.
Gas Furnace Brands EVS Installs in Sunnyvale
| Brand | Notes |
|---|---|
| Carrier | The unit most Sunnyvale attics already have — easy like-for-like swaps, strong parts network |
| Goodman | Best warranty per dollar; our value pick for tract-home replacements |
| Trane | Over-built and proud of it — the pick where replace-again-never matters most |
| Rheem | Mid-range workhorse with a strong heat-exchanger warranty |
| Bryant | Carrier engineering at a gentler price point |
| Lennox | Highest AFUE options and the quietest runners; premium pricing |
| American Standard | Trane's platform, often a step friendlier on price |
Bay Area Specifics
The ranch tracts: attic furnaces on 60-year-old ductwork
Sunnyvale's post-war ranch homes typically run attic or hall-closet furnaces connected to ductwork as old as the house. The ducts deserve an honest look during the estimate — a new high-efficiency furnace pushing through leaky 1960s ducting wastes the efficiency you paid for. We quote duct sealing or repair as its own line item, not as a surprise on install day. One recent customer: two failing furnaces quoted on Saturday, both installed by Monday — that's the planning rhythm we aim for when the estimate happens before the failure.
Fairbrae-area Eichlers: boiler, not furnace
Sunnyvale's Eichler streets near Fairbrae heat with hydronic radiant slabs — a gas boiler in a closet, no ductwork, no furnace. If your radiant heat fails, that boiler is what needs service, and EVS services them. If you're considering adding cooling or going full-electric, we quote the ductless and heat-pump conversion paths with real numbers, including what the slab heat is worth keeping.
Heritage District: pre-war homes and old chimneys
The older homes around the Heritage District and Murphy Avenue often carry wall furnaces or gravity systems vented into chimneys that predate them. Replacements there hinge on venting — relining or re-routing — and that line item shows up in our first written quote, not as a change order mid-install.
Pre-1980 homes: the asbestos contingency
Sunnyvale built most of its housing before 1980, and ductwork or insulation from that era can carry asbestos that has to be remediated before equipment work proceeds. One EVS customer's furnace job turned into a full furnace-plus-duct replacement after asbestos turned up — "they filed the permits and handled everything" was how they put it. We flag the possibility during the estimate; we don't discover it for you on demolition day.
Permits
Furnace replacement in Sunnyvale requires a permit from the City of Sunnyvale's building safety division, with combustion-safety verification at inspection. EVS pulls the permit and schedules the inspection — included, not extra.
Service Areas
furnace installation across the Bay Area — pick your city:
01 / 04
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