Peninsula coverage from the South Bay.
Based in Santa Clara, serving San Mateo up the 101/92 corridor.

HVAC service in San Mateo
EVS Mechanical provides full HVAC services to San Mateo homeowners and businesses: furnace installation, AC installation, heat pump installation, mini split installation, duct repair, ductwork installation, HVAC repair, preventive maintenance, and commercial HVAC.
HVAC in San Mateo, at a glance
San Mateo HVAC services — EVS Mechanical provides furnace installation, AC installation, heat pump installation, mini split installation, duct repair, and HVAC repair in San Mateo, CA. Owner-operated and multi-brand — not locked to one manufacturer. Licensed (CA #1089826), no call centers, live response from the team that does the work. Final quote is the price you pay. Call (408) 300-8254 for a free estimate.
HVAC services
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49 reviews
For your San Mateo home
Compare installation, repair, ductwork, maintenance, and commercial options — and find the right fit for your San Mateo home.

Selected service
Furnace Installation
Gas furnace replacement and new installation. Carrier, Bryant, Goodman, Daikin, Lennox. Manual J load calculation. Permits handled.
Gas furnace replacement and new installation. Carrier, Bryant, Goodman, Daikin, Lennox. Manual J load calculation. Permits handled.
Central air conditioning installation and replacement. Carrier, Bryant, Daikin, Lennox, Goodman.
Ducted and ductless heat pumps. Carrier, Mitsubishi, Daikin, Bosch, Lennox.
Single-zone and multi-zone ductless systems. Carrier, Mitsubishi, Fujitsu, Daikin.
Leak sealing, disconnected joint repair, airflow restoration.
New duct systems for additions, new construction, and HVAC replacement.
Emergency and same-day repair for all brands and system types.
Annual and bi-annual maintenance plans. Priority scheduling.
Light commercial installation, repair, and maintenance.
What's different about an San Mateo install
You talk to the owner. The owner runs your install — no subcontractors, no finger-pointing.
Based in Santa Clara, serving San Mateo up the 101/92 corridor.
Every San Mateo HVAC installation requires a permit through the City of San Mateo Building Division. EVS handles it all.
Pre-war and mid-century homes without ducts are exactly where mini splits and ductless heat pumps shine.
Manual J sizing that accounts for San Mateo's mild climate — oversized equipment wastes money here.
Peninsula Clean Energy and BayREN incentives can offset a meaningful part of a heat pump project.
All 9 HVAC services available, from furnace installation to commercial HVAC.
Euler Vargas oversees every install — you work with the owner, not a sales rep or a call center. The team that quotes the job is the team that does the work.
We carry Carrier, Bryant, Goodman, Daikin, Lennox, Mitsubishi, Bosch, and Fujitsu — and we're not factory-authorized to push any single one. You get the unit that fits your home and budget, not the one a dealer is incentivized to sell.
Your equipment warranty stays the manufacturer's warranty — it doesn't disappear if you skip a recurring maintenance contract. We offer maintenance because it extends the life of your system, not as the price of keeping your coverage.
No add-ons, no upselling on equipment you don't need. We're not a sales company — we're the ones who actually do the work.
Full responsibility from design to installation, including the difficult ones other companies pass on. We support on-budget work for churches, veterans' facilities, and charities.
Based in Santa Clara, serving San Mateo up the 101/92 corridor.
Every San Mateo HVAC installation requires a permit through the City of San Mateo Building Division. EVS handles it all.
Pre-war and mid-century homes without ducts are exactly where mini splits and ductless heat pumps shine.
Manual J sizing that accounts for San Mateo's mild climate — oversized equipment wastes money here.
Peninsula Clean Energy and BayREN incentives can offset a meaningful part of a heat pump project.
All 9 HVAC services available, from furnace installation to commercial HVAC.
Euler Vargas oversees every install — you work with the owner, not a sales rep or a call center. The team that quotes the job is the team that does the work.
We carry Carrier, Bryant, Goodman, Daikin, Lennox, Mitsubishi, Bosch, and Fujitsu — and we're not factory-authorized to push any single one. You get the unit that fits your home and budget, not the one a dealer is incentivized to sell.
Your equipment warranty stays the manufacturer's warranty — it doesn't disappear if you skip a recurring maintenance contract. We offer maintenance because it extends the life of your system, not as the price of keeping your coverage.
No add-ons, no upselling on equipment you don't need. We're not a sales company — we're the ones who actually do the work.
Full responsibility from design to installation, including the difficult ones other companies pass on. We support on-budget work for churches, veterans' facilities, and charities.
Why San Mateo is different
Housing stock in San Mateo
San Mateo's stock spans turn-of-century Victorians through the Bay Area's highest-elevation Eichler tract to new mixed-use. The stock drives the system:
No ductwork, radiant-slab heat, typically 60–100A panels — a ductless mini-split or ductless heat pump plus a panel upgrade. Hillside split-levels complicate condenser siting. Note: Highlands is in *unincorporated* San Mateo County (S-81 district) — there's no Eichler design-review overlay and no CC&Rs/ACC, so fewer constraints on equipment placement than the Palo Alto or Cupertino Eichler tracts. (The X-100 steel experimental Eichler house here is individually National Register–listed.)
Ducted forced-air is viable, typically 100–150A panels.
Crawlspace access, possible knob-and-tube and asbestos in pre-1978 stock, and potential historic-design review for visible equipment.
What San Mateo homeowners ask
For an average San Mateo home, AC installation starts at $4,800 — the final number depends on the system, brand (Carrier, Bryant, Goodman, Daikin, Lennox), and what your home needs. The price goes up with an electrical panel upgrade, new or replacement ductwork, or a system redesign; it comes down on a direct one-to-one equipment swap with easy access and no redesign. We run a Manual J load calculation during the site visit so the system is sized to your home, not a square-footage guess, and the written quote is the price you pay — no upselling on things you don't need.
A ducted heat pump (1.5–3 tons) for an average San Mateo home starts at $5,000; ductless mini-split systems are priced separately by zone, starting around $1,900 per zone. The final number depends on whether it's ducted or ductless, the brand (Carrier, Mitsubishi, Daikin, Bosch, Lennox), and whether we're converting a gas furnace to a full electric heat pump — an electrical panel upgrade or new ductwork adds to the total, a direct one-to-one swap keeps it down. We run a Manual J load calculation so the system is sized to your home, and the written quote is the price you pay — no upselling on things you don't need.
Yes — San Mateo is a straight run up the 101, and we schedule Peninsula jobs the same way we do South Bay work: fast, live callback, written quotes, and same-day repair availability when the schedule allows.
You're in good company; a large share of San Mateo homes were built without AC. The cleanest options are a ductless mini split (no ductwork needed, room-by-room control) or a heat pump if you're also due for a heating upgrade — one system covers the winter heating and the hot weeks that have become more common. We'll tell you during the site visit whether your home can support a ducted system or whether ductless makes more sense.
Yes. San Mateo County homeowners can qualify for Peninsula Clean Energy rebates and BayREN incentives on qualifying heat pump and electrification projects, plus statewide TECH Clean California funds. We'll identify what applies to your project during the estimate.
Yes — HVAC installations and replacements require a permit through the City of San Mateo Building Division. EVS handles the permit application and inspection scheduling as part of every installation.
Contact
Owner-run. No subcontractors. Free estimate, 1–2 hr callback.
Need help right away? Call us directly during business hours.
Repair requests are routed for same-business-day callbacks. Estimate and maintenance requests are reviewed within 1 business day.