4.9/5 — 2,000+ Five-Star Reviews
Heating Maintenance
Bay Area's #1 Choice
Annual heating care ensures you never have to face a freezing night without a reliable system to keep you safe. We provide thorough, private inspections to catch small issues before they become expensive, 2 AM emergencies.
- 25+ Years
- Licensed & Insured
- 24/7 Emergency
- No hidden costs
- Same-day service
- Fully licensed and insured
- 6000+ completed jobs
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
Simple Process
How It Works
Call Us 24/7
Reach us anytime at
(408)539-6936.
Same-Day Dispatch
A licensed technician arrives at your home, often same day.
Diagnose & Fix
Upfront pricing before work begins. No hidden fees, ever.
100% Satisfaction
We stand behind every job with our satisfaction guarantee.
A tune-up that catches small wear on a furnace or heat pump before it becomes a mid-winter breakdown – that’s heating maintenance service, done on a set schedule rather than as a reaction to something already going wrong. United HVAC, Plumbing & Electrical runs that schedule across San Jose, Santa Clara, and Sunnyvale, Palo Alto, Menlo Park, Saratoga, Los Altos year after year.
What Does Professional Heating Maintenance Include?
Not a general look-over – a defined set of inspections and adjustments, the same ones every visit, aimed at catching parts drifting toward failure before they actually get there. Furnace, heat pump, or both, the sequence doesn’t change. That’s what real heating and cooling maintenance service looks like when it’s done properly.
What the Technician Inspects and Services During a Tune-Up
A full tune-up moves through several checks, whether the system is a furnace, a heat pump, or both:
- General system check – power connections, the 24-volt control circuit, switches, and filters all get verified first, before anything more specific gets tested.
- Burner combustion – analyzed to confirm the fuel-to-air ratio is correct, since a burner running rich or lean wastes fuel and stresses the heat exchanger over time.
- Igniter – resistance tested against spec while it’s still working, catching one that’s drifted out of range before it leaves a furnace unable to start on the coldest night of the year.
- Heat pump components – capacitor microfarad ratings tested, reversing valve operation confirmed both directions, and blower motor bearings lubricated, the same heating and cooling maintenance service covering both sides of a heat pump’s job.
- Condensate drain line – cleared last, preventing a backup that causes water damage long before anyone notices a heating problem.
How Often Should Bay Area Homeowners Schedule Heating Maintenance?
Once a year, ideally in fall before the heating season starts, covers most homes. Bay Area winters run mild enough that a system limping along on a weak capacitor or a drifting igniter can go unnoticed for years – right up until a rare cold snap pushes it past what it can handle. Older furnaces in San Jose and Sunnyvale neighborhoods, many still running original parts decades in, benefit most from catching wear before that one cold week each winter finds it first. United has a Home Protection Program – $18 a month membership program that includes 2 complimentary tune-up visits a year.
Signs Your Heating System Is Overdue for Maintenance
A system overdue for heating system maintenance service usually shows it gradually – longer run times, a slight uptick in the gas or electric bill, a smell that wasn’t there last winter. None of these stop the system from working, which is exactly why they go unnoticed until something actually fails.
Performance Warning Signs to Watch For
Longer to hit the set temperature. Short-cycling more than it used to. A burning smell that wasn’t there before, or a heat pump running nonstop without quite keeping up – any of these is worth flagging before the next cold spell. Coastal humidity eats away at heat pump components faster than inland air does, so a small dip in performance out there is worth a look.
What Happens If You Skip Annual Maintenance
An igniter drifting out of spec or a capacitor weakening year over year almost always fails at the worst possible moment – the one cold snap Bay Area winters actually deliver. A hairline crack in a heat exchanger left unchecked for several seasons can widen into the kind of failure that turns a maintenance visit into a full furnace replacement. Deferred maintenance on an older San Jose or Sunnyvale furnace running original parts tends to surface as an emergency call rather than a routine one.
Heating Maintenance Cost in the Bay Area
A standard heating service & maintenance visit typically runs $200 for a single tune-up, with a maintenance plan covering two visits a year costing less per visit than booking each one separately. Price depends on what’s included and whether the system is a furnace, a heat pump, or both.
What’s Included in a Standard Tune-Up Visit
General observation of the system, power in the system, filters, switches. A deeper search includes heat exchanger check up and coil check up.
Maintenance Plans vs. One-Time Service Visits
A maintenance plan bundles two visits a year – typically fall and spring – at no cost, often with priority scheduling before the first cold snap.
Why Bay Area Homeowners Choose United HVAC, Plumbing & Electrical for Heating Maintenance
A technician who tests components against spec – not one who glances at the unit and calls it serviced – is what separates a real tune-up from a wasted visit. Here’s what backs that up.
Licensed, Insured, and Local
United HVAC, Plumbing & Electrical holds California license #1061226 and carries bonded and insured coverage up to $2M. If a technician damages ductwork or property while accessing a unit during a scheduled visit, that’s covered – not billed back as a surprise.
25+ Years Maintaining Heating Systems Across the Bay Area
25+ years of hands-on HVAC work behind our supervisor, technicians and the company’s been servicing systems – San Jose, Santa Clara, Sunnyvale, Los Gatos, Los Altos, Saratoga and other cities – since 2019. Decades-old furnaces running original parts, brand-new heat pumps, doesn’t matter which: a technician’s usually seen it before the panel even comes off.
Scheduled Service With Upfront Flat-Rate Pricing
Can’t remember the last time your heating system was serviced? Call United HVAC, Plumbing & Electrical at (408) 539-6936 – annual heating system maintenance service tune-ups available same-day, before the cold season hits.
100% Satisfaction Guarantee
If you're not completely satisfied with our work, we'll come back and make it right — free of charge. That's our promise to every customer.
Signs You Need Heating Maintenance
- System not functioning properly
- Increased energy bills
- Planned upgrades or renovations
- Unusual noises or odors
- Age-related wear and tear
- Water leaks or damage signs
Why Choose United HVAC
- 25 years of experience
- Same-day service
- 1+ year warranty
- 6000+ completed jobs
- 0% interest financing and discounts
- Fully licensed and insured
- Well reviewed and highly trusted
- No hidden costs
- We work 365 days a year
Got Questions?
Frequently Asked Questions
Replacing a filter or clearing debris around an outdoor heat pump unit is fine to handle yourself. Anything involving combustion analysis, igniter testing, or refrigerant components on a heat pump requires a licensed technician, both for safety and because gas-related work falls outside what's safe to DIY.
It will. A furnace or heat pump on an annual schedule tends to outlast one running on deferred maintenance by several years – sometimes more. What actually kills these systems early is rarely sudden. It's the slow stuff: an igniter wearing down, a capacitor drifting off-spec, exactly what a tune-up is built to catch.
Often, yes. Most manufacturers require documented annual maintenance on file, and skip it, and they've got grounds to deny a claim if a heat exchanger or compressor fails later. A service record isn't just paperwork – it protects the warranty right alongside the system itself.
Fall, before the first real cold snap hits, is the ideal window. Bay Area winters are mild enough that a system can limp along on a weakening component for months, which is exactly why scheduling before the season starts – rather than waiting for a warning sign – catches problems while they're still small.
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Posted on Google![]()
Julia GarciaTrustindex verifies that the original source of the review is Google.
Called to have my sump pump reassemble and secured . Thank you Beck for a job well done.☺️Posted on Google![]()
Jasko HuseinovicTrustindex verifies that the original source of the review is Google.
Manuel was great, experienced at his job Got everything fixed in timely manner, well behaved professional and very respectful I’d recommend him any dayPosted on Google![]()
Shailesh PhansalkarTrustindex verifies that the original source of the review is Google.
Anton did an amazing job. Needed to replace the old shower valve.Posted on Google![]()
Col Liz PerezTrustindex verifies that the original source of the review is Google.
I had an impossible tub spout repair. Other plumber said to break through my custom bath tile and kitchen cabinetry to replace the fitting. Ren B. from United researched the fitting and within three minutes removed it—no tile or cabinet cutting required. To top things off, Ren was so courteous and kind. I highly, highly recommend Ren and United for their honesty, fast work, and professionalism. 5+ stars!Posted on Google![]()
Sj BrownmanTrustindex verifies that the original source of the review is Google.
I had a great experience with Cris! He came out to replace the cartridge in my shower and did an excellent job. He was professional, knowledgeable, friendly, and explained everything clearly throughout the process. The replacement was done quickly and efficiently, and my shower is working perfectly now. I really appreciate his attention to detail and great customer service. I would definitely recommend Cris to anyone looking for a reliable and trustworthy plumber!Posted on Google![]()
Maria xoTrustindex verifies that the original source of the review is Google.
I had a great experience with Cristopher Villa. He came out to diagnose an error code on my tankless water heater and was able to identify the issue. During his inspection, he also noticed that the unit was leaking and brought the problem to my attention. Cristopher provided me with three different options to address the issue and explained each one clearly. He also made sure the recommended setup included all the necessary add-ons and safety components to ensure the installation would be up to code. Very professional and knowledgeable service.Posted on Google![]()
Leonel MendozaTrustindex verifies that the original source of the review is Google.
I had a great experience with Cristopher Villa. He did an excellent job redoing the plumbing underneath my kitchen sink and making sure everything was properly connected and working as it should. He also snaked the kitchen drain line to address a recurring blockage. Cristopher was professional, knowledgeable, and took the time to make sure the issue was completely resolved. After the work was finished, the kitchen sink was draining properly again with no issues. I would definitely recommend Cristopher Villa to anyone looking for reliable and professional plumbing service.Posted on Google![]()
Adam CataldoTrustindex verifies that the original source of the review is Google.
I like the service. They charged me a flat rate, which was nice because it ended up taking longer more the plumbing work than I expectedPosted on Google![]()
Lisa LloydTrustindex verifies that the original source of the review is Google.
Pasha was prompt, focused and organized. Very professional- he knew exactly how to install our new water drop filter system. We are very happy with his work!Posted on Google![]()
Xinxin YangTrustindex verifies that the original source of the review is Google.
Very professional and friendly. Solved my AV issue quickly! THANK YOU!
Serving the Bay Area
Heating Maintenance Available In
We proudly serve homeowners across the entire Bay Area
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