Having a Plumbing, HVAC or Electrical Emergency?Contact Us Now!

Get The Absolute Best Service,
When You Need It!

Heating & Cooling Services

Hire the Top Sunnyvale HVAC Company for Reliable Heating and Cooling Today

Q: How much does HVAC repair cost in Sunnyvale, CA?

HVAC repairs in Sunnyvale typically range from $150 to $1,200 , depending on the issue and parts needed. Complex jobs or specialized equipment can sometimes push costs higher, while minor fixes may be lower. We never charge by the hour, so you’ll always get a clear upfront bid after our onsite diagnosis. This way you know exactly what to expect and avoid surprises when the job is complete.

Keep your home comfortable year-round with expert Sunnyvale HVAC services you can trust. Our skilled team handles AC repair, furnace repair, and full heating and cooling solutions. Call now or submit the form to get fast, reliable service today.

Need Help? Call US!

1-877-477-7151

Same Day Service Available

Sunnyvale AC Repair & Furnace Repair That Keeps Your Home Comfortable

Our Sunnyvale HVAC contractors can fix everything from noisy AC units and uneven heating to broken thermostats and clogged air ducts. We handle repairs, replacements, and maintenance to keep your system running smoothly.

Need Help? Call US!

1-877-477-7151

Why Choose Bellows For Your Sunnyvale HVAC Services?

We’ve been servicing heating and cooling systems in the Bay Area since 1985. All our contractors are licensed, insured, and bonded, and we always run complete system diagnostics before recommending repairs.

Clean air isn’t a luxury anymore. We help Sunnyvale families breathe easier with advanced indoor air quality solutions and wildfire smoke protection systems. After four decades in business, we know what works in Bay Area homes. Your comfort and health come first.

Sunnyvale HVAC Services for Year-Round Comfort

From air conditioners that stop cooling in the middle of summer to furnaces that fail on the first cold night, we have seen the patterns and know the solutions. Each repair, installation, and maintenance visit builds on proven fixes so your HVAC runs smoothly without repeat problems.

Air Conditioning Services

Discover Our Wide Range of Air Conditioning Services

A neglected AC system can leave your home sweltering and cause costly damage to your equipment. Our team handles everything from central air and ductless mini split installations to condenser cleaning, filter replacements, drain line flushing, and refrigerant recharging so your cooling stays strong when you need it most.

Central Air Conditioning

Installation | Replacement | Repair

Central air keeps every room at the perfect temperature and air conditioner maintenance prevents expensive breakdowns, saving you money while extending your system’s lifespan.

Ductless mini-split installation

Zoned cooling without ductwork.

Mini-split systems let you control temperatures room by room without expensive ductwork installation, which means lower upfront costs and reduced monthly energy bills compared to traditional systems.

Seasonal Air Conditioning Tune-ups

Routine inspections to maintain peak efficiency and extend system life.

Seasonal tune-ups turn your AC into a money-saving machine by preventing expensive repairs and keeping energy bills low while extending your system’s lifespan by years.

Coil Cleaning

Improve energy efficiency and lower energy bills.

Clean coils help your AC move air freely throughout your house and reduce strain on your system, saving you money while keeping temperatures even.

AC Drain line cleaning

Prevent water damage and improve indoor air quality.

Clogged drain lines cause AC water backups that damage floors and walls, so cleaning prevents thousands in water damage while eliminating unhealthy mold buildup.

Refrigerant Recharging

Effectively cool your home & protect your system.

Refrigerant recharging fixes weak cooling and prevents costly compressor replacement while dropping your monthly energy bills by twenty to thirty percent every summer.

Heating Services

Sunnyvale Heating Installation and Repair Experts

Our technicians have years of experience fixing heating problems like uneven warmth, noisy furnaces, failing heat pumps, and outdated ductwork. Schedule your service today so your home stays warm and comfortable all winter.

Heat Pump Services

Get reliable heat, year round comfort, lower costs, and quiet performance.

Heat pumps use existing air to heat and cool your home, which reduces your energy bills by half while providing steady temperatures year-round.

Gas Furnaces

Fast heat, lower bills, and steady comfort.

Gas furnaces heat homes faster and cheaper than electric heating systems. We install, repair, and replace furnaces so your family stays warm without overpaying for energy.

Forced Air Heating

Whole home warmth, fast airflow, and even heating

Forced air heating reaches every corner of your home fast and circulates air to prevent stuffiness. We install and repair systems so you feel comfortable.

Heat Zoning & Smart Controls

We make smart thermostats smarter.

Our heat zoning and smart controls services give you room by room temperature control, reduce wasted energy, and create personalized comfort with expert installation, replacement, and repairs for your home.

Heat Pump Fan motor repair or replacement

Strong airflow, steady heat, serious energy savings.

Fan motor repair stops rising energy bills and prevents complete system failure that would cost thousands more to replace entirely.

Duct installation

Even airflow, better comfort, less energy waste.

Professional ductwork installation stops uneven temperatures and high energy bills so your family enjoys perfect comfort in every room year-round.

Express Heating & Cooling Services

Get Expert Sunnyvale Heating and Cooling Services

Pick a date and time

Schedule your appointment online or by phone. Our team is ready to provide fast, friendly support and help you get the service you need.

Our technician arrives

Schedule your appointment online or by phone. Our team is ready to provide fast, friendly support and help you get the service you need.

Get an estimate

Replacement estimates are free. For repairs, the technician will diagnose the issue and provide a transparent quote. The diagnostic fee is waived if you proceed with the repair.

Sunnyvale’s Lennox and Mitsubishi Elite Dealer for dependable comfort

As a Lennox and Mitsubishi Elite Dealer, we provide top-quality heating and cooling systems built for long lasting performance. Our training ensures precise installation and dependable repairs every time. This means your home stays comfortable and energy efficient year round.

Helpful HVAC Questions from Sunnyvale Homeowners

I put together these FAQs based on what homeowners often ask our Sunnyvale HVAC contractors. You will find helpful answers about heating and cooling so you know exactly what to expect.

What rebates or financing options are available for new HVAC systems?

We offer flexible financing through Service Finance with four payment options and approvals available online. Homeowners can also take advantage of generous local, state, and manufacturer rebates to lower installation costs. Many rebates can be combined for even greater savings.

See all rebates & financing offers >>

How much does HVAC repair cost in Sunnyvale, CA?

HVAC repairs in Sunnyvale typically range from $150 to $1,200, depending on the issue and parts needed. Complex jobs or specialized equipment can sometimes push costs higher, while minor fixes may be lower. We never charge by the hour, so you’ll always get a clear upfront bid after our onsite diagnosis. This way you know exactly what to expect and avoid surprises when the job is complete.

How can I tell if a repair is worth it or if I need a new system?

If your HVAC system is over 12 years old and the repair cost is more than a third of a new unit, replacement is often the smarter choice. Frequent breakdowns, uneven heating or cooling, and rising energy bills are other signs it may be time to upgrade. Newer systems run more efficiently and can save you money long term. A professional inspection can help confirm whether repair or replacement will give you the best value.

Book an appointment now

For expert heating or air conditioning services in the SF bay area, fill out the form, or pick up the phone and call us today!

1-877-477-7151

Same Day Service Available

Neighborhoods in Sunnyvale Our HVAC Contractors Proudly Service

Areas	Nearby Neighborhoods
Heritage District / Downtown Sunnyvale (Murphy Avenue, Caltrain)	Heritage District; central Sunnyvale neighborhoods surrounding downtown
Sunnyvale Caltrain Station / CityLine Sunnyvale (former Town Center)	Downtown-adjacent residential areas; neighborhoods west of Caltrain corridor
Birdland / Columbia Park / Full Circle Farm	Birdland neighborhood and nearby homes east toward Baylands
East Murphy & Baylands Park (shoreline)	East Murphy neighborhood; lake‑adjacent residential zones
Sunnyvale Heritage Park & Heritage Park Museum	Neighborhoods east of downtown near the Community Center
Fremont High School (W. Fremont Ave)	South‑central Sunnyvale neighborhoods around Fremont Avenue
Apple Campus 3 (Wolfe Road & Central Expressway)	North‑central Sunnyvale residential zones near Wolfe Road