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  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon1.6k+
    Verified boiler installation services reviews

Find Boiler installation pros in Mountainside

Avatar for Dawson Mechanical Contracting
Dawson Mechanical Contracting
4.8(
134
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Mountainside, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 1988

Free estimates

Emergency services offered

"We had an older Heatmaker combination unit boiler that was 32 years old that needed to be replaced. We started out with several estimates and first decided what could be used in our space constrained garage. We decided on a Navien combination unit and focused a obtained a couple more estimates. Dawson in fact was one of the last estimates we obtained. While Dave from Dawson had the benefit of us being well along the learning curve, he was able to answer all of our questions about the new unit and how best to solve the condensate dilemma. He even was spot on with regards to treating our well water to minimize scale buildup in our new boiler. We knew we had reached that point where we felt we had found the best installer in Dave. Dave verified his condensate solution with the local township inspector and we scheduled the install date in two weeks. Carlos and Pablo showed up on time and dismantled the old unit and piping and did a first rate and well thought out installation job. Carlos had extensive experience installing these Navien units and it really showed. They managed to work in a tight space that PSE&G’s installers would not have with relocating a well tank. After all the plumbing was done, Ricky did the electrical work and adjusted some final dip switch settings before firing up the new boiler. Dave and his crew really are top notch. His front office staff (Wanda and Ondrea) made the PSE&G interest free financing and permitting approval process seemless. We are looking forward to the operation and efficiency of our new high efficiency boiler for years to come. If you are installing a Navien high efficiency combo unit, we highly recommend using Dawson Mechanical!"
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+20

Response time7 hrs
Response rate99%
10 neighbors recently requested a quote
Lamco Plumbing & Heating Contractors
4.5(
259
)
Gas Boiler or Radiator Heating System - Install

Serving Mountainside, NJ and surrounding areas

Approved

In business since 1993

Free estimates

Emergency services offered

"2 Days from a major freeze and storm my old boiler failed - Tom came within a half hour and gave me a quote for replacement. I gave the ok and 40 minutes later the new boiler and components were deliivered and an hour after that they began the job -finishing the next morning. New boiler installed and finally heat, just ahead of the teen digit weather. I was very impressed with the quality of work, the guys were great. I highly recommend"
Response time1 day
13 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Valairco
Valairco
4.7(
224
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Mountainside, NJ and surrounding areas

Approved

In business since 1968

Free estimates

Emergency services offered

"Nick and the team were working hard for 2 days trying to install the boiler and route all the pipes in a very tight space. After two days we got a new boiler which hopefully will last long. 5 years worry-free warranty from Valairco is another reason I went with this company."
24 Hour Service
Trained Technicians
Quality Products
Additional Photos
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+44

Response time1 day
13 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Good Tidings Plumbing Heating and Cooling
Good Tidings Plumbing Heating and Cooling
4.3(
77
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Mountainside, NJ and surrounding areas

Approved

In business since 1991

Emergency services offered

Warranties offered

"Found some water in the basement and was having some slow water drainage issues. I called up Good Tidings late in the day and Kelly was helpful and communicative in terms of expectations for service. She kept me updated throughout the afternoon in regards to availability of a service person to come out to our home. Steve arrived promptly and in the expected time frame provided. We went over the issues our home was experiencing and he clearly communicated the anticipated issue, explained the service to remedy the issue and clearly went over pricing options. He didn't push/oversell, which I appreciated, and based our favorable rapport, I also had our boiler serviced, which was handled by Matt. Both guys were great, personable, and quick with their service. We'll definitely use Good Tidings again."
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Response time8 hrs
Response rate100%
17 neighbors recently requested a quote
Avatar for Petro Home Services
Petro Home Services
4.3(
103
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Mountainside, NJ and surrounding areas

Approved (Corporate)

In business since 1903

Emergency services offered

Warranties offered

"It was a superb experience. From the visit by Bruce the sales representative to the installation day to the follow-up from Petro, every single person we interacted with was helpful and professional. When Bruce arrived to do the assessment, we spent time going over the heating needs in the house. After a thorough inspection and measurement of the house, we sat down. He showed me a few options, all of which were going to provide good service. I ordered a unit at the end of that meeting. The installation day was just terrific- the entire work crew that showed up were everything I would hope to find: Upbeat, informative, hard-working, focused. The job was finished before end of day as promised. The heater room is now immaculate, with new piping and a new heater. It was like watching a pit crew at a NASCAR race. Everyone had their tasks, they moved carefully but quickly. The materials were all laid out in order, etc. Just a totally professional approach to their work. The crew boss answered any questions I had. The follow-up for a normal inspection of the furnace chimney was scheduled the day after the installation. I’ve gotten calls to insure we are satisfied with the work. Satisfied barely covers it- I am pleased to write this kind of review. Without hesitation I will recommend Petro to friends and family throughout the Philly area. Peter A. Elkins Park"
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Response time6 days
Response rate100%
18 neighbors recently requested a quote
Avatar for Pipe Works Services, Inc.
Pipe Works Services, Inc.
4.0(
93
)
Electric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install

Serving Mountainside, NJ and surrounding areas

Approved

In business since 1990

Free estimates

Emergency services offered

"Zach from PipeWorks came today to install a new kitchen faucet and do an annual clean/diagnostic of the basement boiler. In both cases, he discovered and patiently explained upgrades and replacements, which he performed expertly. He also answered all of my questions with care â including the dumb ones â and explained the charges clearly. Zach didnâ t try to upsell me anything unnecessary â he did what he needed to do and didnâ t do what he didnâ t need to do. Finally, heâ s a very nice and polite guy, which made the event comfortable and trustworthy. Iâ m thrilled with my upgraded faucet, which works perfectly, and glad to have the boiler in tip-top shape for the season. I happily recommend Zach and PipeWorks to be your in-home experts for fixes and recommendations."
Lennox AC Replacement
NTI Boiler Upgrade/Replacement and Repipe
Lennox Furnace, pure air and steam humidifier
Repipe for NTI Boiler
Lennox AC Replacement

+22

2 neighbors recently requested a quote
Recommended by74%of homeowners
Avatar for Meyer & Depew Heating and Cooling
Meyer & Depew Heating and Cooling
5.0(
5
)
Gas Boiler or Radiator Heating System - Install

Serving Mountainside, NJ and surrounding areas

Approved

In business since 1953

Free estimates

Warranties offered

Meyer & Depew heating and cooling has been family-owned and operated since 1953.\nNo shortcuts, no upsells–we give you all the information you need to make the best decision for you and your home.\n\n• Privately owned – we answer to you, not investors\n• 24/7 service, evening and weekend appointments available\n• Over 1,500 5-star Google reviews\n• Licensed and insured, we always do the right thing\n• Expertise in all makes/models of heating and cooling systems*, Mini Splits and generators

Boiler
Boiler
Before
After
AC Unit Replacement

+2

6 neighbors recently requested a quote
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Install Boiler questions, answered by experts

Professionals can recommend efficient layouts or appliances and ensuring regulatory compliance.

Most home boilers will need an expansion tank. That’s because these boilers are closed-loop systems, where the water is trapped. An expansion tank is needed when the boiler heats the water and it expands, allowing air to condense in the tank to make room for the water. Other types of boilers don’t use an expansion tank, such as traditional steam boilers, but these aren’t as common. And hot water tanks may be able to use a pressure release valve instead. When in doubt, call in a pro to take a look.

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. 

The cost-efficiency of baseboard heaters depends on the type and how you use them. Generally, standard electric baseboard heaters can be expensive to run because they use electric resistance heating, which is less energy-efficient than systems like forced-air or heat pumps. However, hydronic and gas versions are typically much cheaper to operate. Hydronic models are more energy-efficient because they heat a liquid that retains warmth longer, preventing the thermostat from turning on and off as often. The overall running cost is also influenced by local electricity rates, your home's insulation, and your usage habits. To increase efficiency, you can use baseboard heaters for zoning, meaning you only heat the specific rooms you are using.

If you're often struggling with radiator issues like chilly spots, leaks, or annoying noises, those are common indications that your radiator may need to be replaced. Corrosion, uneven heating, and persistent hissing sounds are common issues as well. When repairs become a regular chore and your home’s energy bills start to rise, a new radiator will bring the comfort and savings you need.

The Mountainside, NJ homeowners’ guide to boiler installation services

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