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TRUSTED BY SUNOL, CA HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon2.6k+
    Verified boiler installation services reviews

Find Boiler installation pros in Sunol

Avatar for DUKES HEATING & AIR CONDITIONING
DUKES HEATING & AIR CONDITIONING
4.8(
135
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Sunol, CA and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"This guy is a real pro! The original installer came out and gave up on the problem, and I never heard from them again. Duke came out, and diagnosed the issue in an hour. He even submitted the request for a part under warranty, received it, and came back to install it 2 days later. The cost was very reasonable. Thanks Duke!"
Heat Pump Repairs & Installations
Central Air Cut-Ins
Electric Furnace Repairs & Installations
Response time1 day
Response rate100%
27 neighbors recently requested a quote
Avatar for Comfort Energy, Inc.
Comfort Energy, Inc.
4.3(
251
)
Gas Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install - For Business

Serving Sunol, CA and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"I hired Comfort Energy to replace my moms heater after reading excellent reviews. The reviews were spot on! Eddie, the customer rep, and Nima, the installer was knowledgeable, straightforward forward and professional. Nima did an excellent installation, followed Covid protocols, and did clean up afterwards. We could not be happier!"
COMFORT ENERGY AWARDS
Our Comfort Energy Team
COMFORT ENERGY AWARDS
Best of Milpitas 7 Years in a Row! 2015 - 2022
Angie's List A Rating

+27

Response time1 day
183 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for HVAC Utor Services
HVAC Utor Services
5.0(
31
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Sunol, CA and surrounding areas

In business since 2010

Free estimates

Emergency services offered

"Understandably and as expected all HVAC contractors were on high demand and all booked up for several days out, so no one in the area was available until the following week at the earliest. We called Mr. Diego Utor and lime everyone else he was also all booked up; however, he added us to his already full day and said he would do his best to stop over. Diego kept his word and arrived late afternoon that very same day. He quickly diagnosed the problem, which turned out to be a bad capacitor. He replaced the part and also checked the refrigerant level for us. Diego Utor is responsive, courteous, honest and his rates are very reasonable for his services. I would highly recommend HVAC Utor Services to anyone for all of their heating and air conditioning needs, whether it's repairs, routine maintenance, or new service installations."
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+24

Recommended by100%of homeowners
Avatar for Enlighten Electric
Enlighten Electric
5.0(
28
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Sunol, CA and surrounding areas

In business since 1995

Free estimates

"Pann was knowledgable, responsive, did all work correctly, on time, and within budget. He went above and beyond by taking care of issues he uncovered that we were not aware were there. He worked with us to come up with the idea of installing an Internet closet that made it possible to have less visible cables and cords running on our walls. The finished project works great and I appreciate having a clean look behind my TV stand. Running the new electric to the detached garage was hard work. Pann crawled around under our house to pull the new wiring through. He even worked within our tight schedule of 2 weeks! Again, everything works great and we will definitely hire again for future needs."
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+2

Recommended by100%of homeowners
Avatar for Green Apple Duct Cleaning
Green Apple Duct Cleaning
5.0(
18
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Sunol, CA and surrounding areas

In business since 2016

Free estimates

Credit card accepted

"Great! Tony called in advance & was very prompt. Personable and professional, he quickly hooked up his equipment and let the machines do their work, which took about 30 minutes for our 1400 SF house. He took photos of the intake duct so we could see their condition. I will be scheduling a manual deep cleaning of the whole system next!"
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+18

Recommended by100%of homeowners
Avatar for JAZZ HEATING & AIR CONDITIONING
JAZZ HEATING & AIR CONDITIONING
5.0(
8
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Sunol, CA and surrounding areas

In business since 1986

Free estimates

Credit card accepted

"It's hard to put into a Yelp review how grateful we are to have found these guys. I am in a predicament to say the least. We hired just about the worst contractor we could have hired. We did our due diligence but they were masters of the con. What can u do? (Everlast construction - beware!!) The problems with our HVAC system were many. It wasn't installed to code, and was even set up in a way where if it was left as is, electrical fires and/or the previous hvac shorting out due to being wired so incorrectly. The guys at Jazz were able to take an incorrectly installed system, cut out my old one unit and safely remove it, then install a new hvac with all the corrections to every line. What we have now is an efficient heater that works - and isn't a fire hazard. Imagine that! This isn't even the nicest thing they did for us. Turns out, the ghost of my crooked contractor was still haunting us. We could not pass inspection without a hers test, yet the person hired previously to complete it, disappeared off the map. Jazz got a new one going, and spent several weeks tracking down all the people and paperwork needed to do one from scratch. Needless to say, it was unprecedented for them, no picnic, and they did it happily. Never wavered, never hesitated and always called back and kept us updated. I would recommend them to my mother. These guys will do a good job. They have a kind vibe and I have no reservations in giving them five stars and propping them up. Would hire them again. Thank you jazz! Edit: these guys have come By three separate times to fix more issues left by the previous inept criminally minded people at "Everlast construction." All three times, no charge, super sweet attitude and just supremely helpful. Hire these guys."
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+3

Recommended by100%of homeowners
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Install Boiler questions, answered by experts

No, there isn’t always water in radiators. In a one-pipe system, water is constantly circulating from the boiler to the radiators and back. In a two-pipe system, water travels through two separate channels: one that goes to your radiators and one that returns back to the boiler so it can heat up again.

Yes. In many cases, switching from an old furnace to a high-efficiency boiler can help you save money over time. You can also save money by switching from an electric boiler to a gas boiler, which costs much less compared to the energy bills an electric boil can create. Boilers are often (but not always) more efficient than furnaces, too. Then there are discounts, rebates, and incentives that can help you save on the initial costs.

The absence of heating or hot water, unusual noises like banging or gurgling, and visible water leakage are key signs. Abnormal boiler pressure, flame irregularities (for gas boilers), or pilot light issues may also signal trouble. Frequent cycling, soot or staining, and unusual odors, particularly gas-like smells, should not be ignored. Modern boilers often display error codes or lockout mode upon detecting issues. Uneven heating across radiators and rising energy bills without increased usage can further point to problems. Prompt attention to these signs is essential to prevent further damage and ensure safety.

Steam boilers require flushing at least every six to 12 months to keep them operating effectively for as long as possible. Depending on your water quality and frequency of use, you might need to do this more frequently. The flushing process helps to remove problematic buildup of sediments. While a boiler contractor near you can perform a thorough annual flush, learning how to drain the system yourself means you can do this monthly if you experience speedy mineral accumulation because of hard water. 

Professional HVAC installation requires licensed expertise in several areas, including electrical- and plumbing-related work. An HVAC team must know how to safely handle regulated refrigerant chemicals and the gas, oil, or propane used in furnaces and boilers. A proper HVAC installation protects your home from energy loss, fires, and even carbon monoxide leaks.

The Sunol, CA homeowners’ guide to boiler installation services

From average costs to expert advice, get all the answers you need to get your job done.