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    Verified boiler installation services reviews

Find Boiler installation pros in Foothill Ranch

Avatar for HD MECHANICAL INC
HD MECHANICAL INC
5.0(
27
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Foothill Ranch, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"I am thoroughly impressed with the exceptional service I received from HD Mechanical! Their team recently installed mini splits in my home, and the entire experience was seamless and professional. From the initial consultation to the final installation, their expertise and attention to detail were evident. The installers were courteous, informative, efficient, and ensured a precise installation. The mini splits are now providing comfortable and quiet heating and cooling, exceeding my expectations. I highly recommend them for their accuracy, professionalism, and top-notch service. Five stars and a job well done!"
Heating & A/C Project
Heating & A/C Project
Heating & A/C Project
Heating & A/C Project
Additional Photos

+14

66 neighbors recently requested a quote
Recommended by74%of homeowners
Avatar for Cool Air For you
Cool Air For you
4.0(
16
)
Oil Boiler or Radiator Heating System - InstallBoiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - Install+3 more

Serving Foothill Ranch, CA and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"Joseph arrived in less than 48 hours despite the first real hot stretch of the summer, at the scheduled time with a heads up call. Had the capacitor he diagnosed instantly as the problem on hand, we were cooling down within the hour. Prompt, polite, professional, A plus."
Additional Photos
13 neighbors recently requested a quote
Recommended by85%of homeowners
SINCLAIR HEATING & AIR CONDITIONING LLC
4.9(
86
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Foothill Ranch, CA and surrounding areas

In business since 2003

Emergency services offered

Warranties offered

"I had 4 estimates.  The first vendor said he would be unable to test for leaks and said he would install new system and gave us a one line estimate.

 The second vendor said he could fill with freeon for $800 with no warranty or put in new system for $15k with no itemization,  He only attached a pressure gauge to outside line and was going to charge my very elderly Mom $105.  When I called owner and said that no diagnosis was made and this is ludicrous, he dropped the charge.

 The third vendor spent well over an hour explaining why his company is great and then said the charge would be approximately $9,500.

the fourth vendor was Mick Sinclair and what a completely different experience. I first called and spoke to Nick, his son.  I told him I did not know what to do.  Although both Nick and his Dad were booked solid he said he would get back to me.  Mick called and scheduled an appointment. He measured the pressure and tried to fix the valve. He then actually removed the outer shell of the condensor and noted that the motor was not working at all.  He tried to fix the motor and added a booster to no avail.  He refused to charge anything for the diagnostic and attempted repair - nothing!

Note, that not one of the other three vendors checked the motor.

Mick then said he would email a quote which he did in a very timely manner. His wife sent the email and I spoke to her and she was as nice as Mick and their son, Nick.

Mick spent 1-1/2 days performing the complete installation, including sealing asbestos and many other things.

There are literally no words to explain the excellent service we received from Mick. He is also very kind.

My 92 year old Mom and I are grateful for you.  You are truly a professional.

Thank you!

"
Recommended by98%of homeowners
Avatar for California Comfort Air Conditioning and Heating
California Comfort Air Conditioning and Heating
4.8(
21
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Foothill Ranch, CA and surrounding areas

In business since 1999

Emergency services offered

Credit card accepted

"Sent email through anigies list site, he called right away on a Sunday night - tried to help me fix my thermostat since it was only a year 1/2 old but we could not.  Did tell me he had a job in san diego that week.  since it was nothing major decided to wait since the reviews were good and he seemed honest.  finally was able to pick a good day, called letting me know he was on his way, showed up and first looked at my thermostat but it was broke, replaced with new one right away.  Explained how it worked also checked my filters and let me know where I could buy replacement ones at a good price.  Was quick, very friendly and professional.  Also does electrical work which I need so I will be calling in the future.
"
Truck
Laguna Install
Laguna Install
Laguna Install
Recommended by100%of homeowners
Home Comfort USA
4.4(
109
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Foothill Ranch, CA and surrounding areas

In business since 1977

Free estimates

Emergency services offered

"The access panel on the unit was slightly bent as was the unit. Instead of repairing the installers taped it up with duct tape. The panel fell off and I had to call for another service man to come out and correct the problem. The second technician did a much better job."
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Recommended by87%of homeowners
Avatar for Iwai Cooling & Heating Co
Iwai Cooling & Heating Co
4.2(
1,041
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Foothill Ranch, CA and surrounding areas

In business since 1999

Free estimates

Emergency services offered

"We had 2 jobs done by Iwai. First, they did the central air for our 3 bedroom house in LA. Many of the other companies said we needed to put in additional vents but Iwai suggested putting the system in and adding the vents later if we were not satisfied with the air flow. This ended up saving us thousands. the second jod was a mini-split HVAC for our garage conversion. our general contractor gave us a ridiculous price so we called our friends at Iwai for a second opinion and they were great. The price was low and when the inspector gave us a hard time about silly details Brandon sent his team out multiple times to deal with it even though it was a relatively small job for them. Both times the work was high quality, the price was great and the professionalism was above reproach. I would recommend them without hesitation to anyone."
Craig Iwai on Estimate
Crane Setting Package Unit
Brandon and Johnny Installing Complete System
Additional Photos
Additional Photos

+2

Recommended by86%of homeowners
Avatar for GMI Handyman Company
GMI Handyman Company
4.9(
51
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Foothill Ranch, CA and surrounding areas

In business since 2004

Free estimates

Emergency services offered

"Gilbert was great to work with. He was on time and completed all that I needed done, which I included the replacement of a faucet, shower head and handle on a shower door. He also replaced a thermostat, some outdoor lights and repaired some drywall in the garage. I will definitely call Gilbert again when I have house projects."
Additional Photos
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+16

Recommended by98%of homeowners
Avatar for Acvolt electrical inc
Acvolt electrical inc
5.0(
33
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Foothill Ranch, CA and surrounding areas

In business since 2004

Free estimates

Emergency services offered

"Mario Flores (owner of Acvolt Electrical Inc.) Is an excellent professional, as well as his crew. He suggested with detail the different options, in choosing my new AC. He explained the procedure of the installation and kept me informed. They were punctual, job was done on the extimated time, respecting furniture and floor, no trash was left behind. The installation looks and works great, very happy with their business I highly recommend them."
Heating & A/C Project
3.5 ton Rheem bundle
Heating & A/C Project
Heating & A/C Project
Heating & A/C Project

+81

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

Yes. Boilers need water to run without overheating, also known as dry firing. If you run it without a sufficient volume of water, either because of a burst pipe or a leak, you run the risk of damaging your machine or jeopardizing the safety of your home as a whole. When in doubt, shut off your boiler and repair any plumbing issues before turning it back on. Alternatively, consider installing a low-water cutoff (LWCO) before any issues arise. This gadget will protect your boiler by monitoring water levels and automatically shutting it off if it gets too low. 

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.

You can replace baseboard heaters with many other types of HVAC systems, including forced-air furnaces, hydronic heating, and heat pumps. Each one has its advantages and disadvantages, so the best choice for you will depend on your budget, preferences, and the design of your house. If you aren’t sure which option is right for you, ask an HVAC pro for guidance.

Scale from hard water is hard to diagnose until it starts causing problems. If your area has particularly hard water, that’s most likely what your boiler is using. If scale build-up becomes a problem, it starts to cause decreased flow and heating, and eventually, valve failures as valves become blocked. Let boiler professionals know if you’re worried about scale and they can offer advice or implement a solution.

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.

The Foothill Ranch, CA homeowners’ guide to boiler installation services

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