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Furnace Installation in California
Fast, Licensed Furnace Installation Across the Bay Area
25+ Years of Excellence. Fair Prices. Expert Service. Exceptional Quality. California’s Most Trusted Furnace Installers.
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Licensed & Insured

25+ Years Experience
Based in Campbell, serving the Bay Area

5-Star Rating
57 Google reviews

Licensed & Insured
License #901246

Carrier Dealer
Authorized Partner
Types of Heating Systems
Which Heating System Is Right for Your Home?
Wondering how much it costs to install a furnace, or whether a furnace is even the right call for your home? Here’s how a new furnace installation compares to the other heating options available in California
Gas Furnaces
- Forced-air heating, most common system in Bay Area homes
- Runs on natural gas, heats fast even on cold nights
- 80–98% AFUE efficiency depending on model
Heat Pumps
- All-electric, heats and cools with one system
- Rebate-eligible when replacing a gas furnace
- Best fit for moderate Bay Area winters
Ductless Mini-Splits
- No ductwork required — wall-mounted indoor units
- Independent zone control room by room
- Popular in Eichler-era and older Bay Area homes
Dual-Fuel Systems
- Furnace and heat pump paired in one system
- Heat pump runs most of the year, furnace kicks in on the coldest nights
- Balances efficiency with reliable backup heat
Not Sure Which Fits Your Home?
Rebates May Be Available
Several Bay Area utilities offer rebates on qualifying heating upgrades, including heat pumps that replace gas furnaces. Rebate amounts and eligibility can change throughout the year, so check the latest available programs and requirements before starting your project.
Furnace Brands We Install
We install and service furnaces from the brands Bay Area homeowners trust most.
Why Choose Us

Your Comfort Is Our Business
When your furnace fails, you need a team that responds fast and gets it done right. With over 25 years of experience, Air & Plumbing Systems delivers reliable, professional furnace installation – built on industry-leading energy efficiency standards – you can trust for your home or business.

25+ years of furnace installation expertise

Licensed, bonded & insured

Certified, experienced technicians

Quality materials for long-lasting results

Free Estimate available

Help navigating Bay Area tax credits and rebates






What Our Clients Are Saying
How We Work
Getting a new furnace installed is simple — from your first call to the final walkthrough
01
Professional Diagnostics
Schedule online or by phone. Our certified technicians will inspect your furnace and home’s heating needs, running a Manual J load calculation to size the right system.
02
Transparent Solutions
We provide clear repair or installation options with fixed pricing. You’ll know the exact cost and timeline upfront – no hidden fees or surprises.
03
Expert Service
We complete the work to the highest standards, thoroughly test the system, clean the area, and back our service with a warranty.
Fast, Reliable Furnace Installation in California
Furnace acting up right when you need it most? We’re here to get your heat back on fast with a properly sized, code-compliant install. Call us today for a free estimate.

FAQs
Most Bay Area gas furnace installations run $4,500–$12,000, depending on furnace size, efficiency rating, and the condition of your existing ductwork — see our full furnace cost guide for a breakdown by system type. Air & Plumbing Systems (CSLB #901246) provides an exact, upfront quote for your gas furnace installation after a free in-home assessment — no guessing, no hidden fees.
Most single-family furnace installations are completed in one day. Jobs that also require ductwork repair or replacement may take a bit longer — we’ll give you a clear timeline during your free assessment.
Rising gas bills, uneven heating between rooms, frequent repairs, a yellow burner flame, or an age of 15+ years are the top signs. A yellow flame or cracked heat exchanger is a safety issue — turn the furnace off and call us right away.
Yes. California requires a permit for furnace replacement, and it must meet Title 24 (the state’s building energy-efficiency code). We pull the permit and coordinate the inspection as part of every install.
It depends on your home. A heat pump heats and cools with one system and can qualify for Bay Area utility rebates, while a gas furnace tends to heat faster on the coldest nights. The right choice comes down to your electrical panel, budget, and how the home is used — we’ll walk you through both options during your free assessment.
We offer same-day diagnostics for most calls across the Bay Area, with most single-family furnace installs completed the day after your free assessment. Call (408) 733-2000 to get started.
In most cases, yes — reusing the existing location keeps ductwork, gas line, and venting connections simple and keeps costs down. If your current setup doesn’t meet current code or airflow needs, we’ll flag it during your free assessment and walk you through the options.
Furnace size depends on your home’s square footage, insulation, window count, and layout — not on floor area alone. We run a Manual J load calculation during your free assessment so you get a furnace that’s sized correctly, not oversized or undersized.
Other Services
Air & Plumbing Systems handles the rest of your home’s comfort systems too.









