Serving Cupertino & Surrounding Areas

Plumbing, HVAC & Electrical
in Cupertino

Cupertino families count on United HVAC for quality home service solutions, from De Anza to Rancho Rinconada.

4.9/5 — 2,000+ Reviews from Bay Area homeowners

⚡ Same-Day Service Available

Need Help in Cupertino?

One call does it all — 24/7

  • No hidden costs
  • Same-day service
  • Fully licensed and insured
  • 6000+ completed jobs
Google Rating
5 .9★
Five-Star Reviews
1900 +

4.9/5 Rating

2,000+ Reviews

Licensed & Insured

CA Licensed

Same-Day Service

24/7 Emergency

25+ Years

Bay Area Experts

6,000+

Jobs Completed

25+

Years Experience

6K+

Jobs Completed

24/7

Emergency Service

100%

Satisfaction Guaranteed

Complete Home Services

Services We Provide in Cupertino

From HVAC repair to electrical upgrades, our licensed technicians handle it all.

Heating & Air Conditioning

  • Air Conditioner Installation
  • Air Conditioning Repair
  • Air Conditioning Maintenance
  • Heating System Installation

Drain & Sewer

  • Cleanout Installation
  • Sewer Line Repair & Replacement
  • Drain Cleaning & Unclogging
  • Camera Inspection for Sewer Line

Water Heating & Filtration

  • Tankless Water Heater Installation & Repair
  • Hybrid Water Heater Installation
  • Gas Tank Water Heater Installation & Repair
  • Whole House Filtration Installation

Water Line / Repiping

  • Leak Detection & Repair
  • Full House Water Repiping
  • Main Shut Off Valve Installation & Replacement
  • Pressure Regulator Valve Installation & Replacement

Plumbing Services

  • Leak Detection
  • Water Pipe Repair
  • Faucet Installation
  • Kitchen Sink Installation

Electrical Services

  • Electrical Panel Inspection & Replacement
  • Electrical Troubleshooting & Repair
  • General Electrician Services
  • Rewiring

Plumbing, HVAC & Electrical Across Cupertino

Cupertino homes range from mid-century Eichlers in the Fairgrove tract to newer builds near Rancho Rinconada and Monta Vista, and each needs a different approach. In classic Eichlers we work around flat, low-slope roofs, original radiant-floor heating, and electrical panels that predate today’s appliances and EV chargers, plus heating and AC designed for open single-story layouts. In established neighborhoods like Garden Gate, Oak Dell, and Seven Springs, we handle drain and sewer problems, water-heater replacements and whole-home filtration for the South Bay’s hard water, and repiping of aging galvanized lines.

Our licensed team covers furnace and heating repair, AC installation and HVAC maintenance, plumbing, and electrical — so one call handles it all. Working across Santa Clara County every day, we know Cupertino’s permit process and can help you tap heat-pump and electrification rebates through Silicon Valley Clean Energy (SVCE). Whether you’re near De Anza College, Monta Vista, or Rancho Rinconada, you get upfront pricing, licensed technicians (CA License #1061226), and same-day plus 24/7 emergency heating, cooling, and plumbing service. When the air conditioning quits in the middle of a heatwave, our page on emergency AC repair in Cupertino explains the common failure points, what to do before the technician arrives, and how fast we can reach you from the Pineville Ave office.

Frequently Asked Questions in Cupertino

Do you service Eichler homes in Cupertino?

Yes. We regularly work on Fairgrove and other Eichler homes in Cupertino — from radiant-heat and flat-roof HVAC solutions to updating original electrical panels and galvanized plumbing while respecting the home’s mid-century design.

Are there heat-pump or water-heater rebates in Cupertino?

Yes. Cupertino homeowners can access heat-pump and electrification rebates through Silicon Valley Clean Energy (SVCE). We help you choose a qualifying system and handle the paperwork.

Do you offer same-day and emergency service in Cupertino?

Yes. We provide same-day appointments and 24/7 emergency plumbing, heating, and cooling service across Cupertino — from Monta Vista to Rancho Rinconada.

Ready to Get Started?

Call now for same-day service in Cupertino

Why Us

Why Cupertino Homeowners Trust Us

For over 25 years, we've been the Bay Area's most trusted home service company. Our commitment to quality workmanship, honest pricing, and exceptional customer care has made us the go-to choice for Cupertino homeowners.

Licensed & Insured

Fully licensed, bonded, and insured for your protection.

Same-Day Service

We dispatch technicians quickly — often the same day you call.

Satisfaction Guarantee

If you're not happy, we make it right. Period.

Upfront Pricing

No hidden fees or surprise charges. You approve the price first.

Call Us Today

Speak directly with our Cupertino dispatch team. No robots, no hold music — just real people ready to help.

Available 24/7 • No trip charge • Free estimates

Customer Reviews

What Cupertino Residents Say

"United HVAC came out the same day I called. The technician was professional, explained everything clearly, and fixed our AC in under an hour. Highly recommend!"
Sarah M.
Cupertino Resident
"We've used United HVAC for plumbing and electrical work. Always on time, fair pricing, and quality workmanship. They're our go-to for everything."
James T.
Cupertino Resident
"Called at 10pm for an emergency leak and they were here within an hour. Saved us from major damage. Can't thank them enough!"
Linda R.
Cupertino Resident

Emergency Service 24/7 in Cupertino

Plumbing, HVAC, or electrical emergency? Don't wait — our technicians respond fast with same-day service.

Average response time: under 60 minutes

Serving the Bay Area

We proudly serve homeowners across the entire Bay Area

Don’t see your city? Call (408)539-6936 to check availability.

Our Service Area

Santa Clara County
San Mateo County