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Verified Reviews for Boiler Installation pros in Caldwell, ID

*The Angi rating for Boiler Installation companies in Caldwell, ID is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Boiler Installation needs.

*The HomeAdvisor rating for Boiler Installation companies in Caldwell, ID is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Boiler Installation needs.

Last update on July 17, 2025

Top-Rated Boiler installation pros in Caldwell - Updated Nov 2026

Avatar for Magic Electric, Plumbing, Heating + Air- Boise
Magic Electric, Plumbing, Heating + Air- Boise
4.6(
237
)
Electric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - InstallOil Boiler or Radiator Heating System - Install

Serving Caldwell, ID and surrounding areas

Approved

In business since 2013

Emergency services offered

Warranties offered

"Project: install and replace electrical panels, wire newly constructed garage. I recommend this company. They were prompt, thorough, friendly, and did quality work. My construction contractor said this was the first time he saw an electrical crew sweep up in his 23 years of experience."
Exterior Lighting
Residential Services
Ceiling Fan Install
Outlets and Switches
Whole Home Electrical Services

+2

Response time8 hrs
40 neighbors recently requested a quote
Recommended by92%of homeowners
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Avatar for Red's Refrigeration Service & Repair, LLC
Red's Refrigeration Service & Repair, LLC
5.0(
14
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Caldwell, ID and surrounding areas

Approved

Customers say: True professional

"Technician arrived on time and was able to service propane heating stove. He also referred to manual for directions to reignite pilot light. I would recommend their service."
Response rate100%
7 neighbors recently requested a quote
Recommended by64%of homeowners
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Avatar for Perfect Plumbing and Air
Perfect Plumbing and Air
4.2(
180
)
Electric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - InstallOil Boiler or Radiator Heating System - Install

Serving Caldwell, ID and surrounding areas

Approved

In business since 1984

Emergency services offered

Warranties offered

"Installed new water main line. Company kept me updated with work progression, were very polite and professional on the phone. Answered my questions and finished work. It is early so really can't anticipate how long or how problem free."
Perfect Jobs
Perfect Jobs
Perfect Jobs
Perfect Jobs
Response time1 day
Response rate88%
165 neighbors recently requested a quote
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Avatar for Plumbing Solutions Of Idaho
Plumbing Solutions Of Idaho
4.0(
37
)
Electric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install - For Business+2 more

Serving Caldwell, ID and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Knowledgeable, pleasant, efficient. Will use again."
Quality service you can count on!
Our Professionals are here for YOU!
Call the Experts Today!
Plumbing Professionals Ready to Serve YOU!
We have the solution for your plumbing needs!

+6

Response time12 hrs
Recommended by96%of homeowners
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Avatar for Flow Right Plumbing LLC
Flow Right Plumbing LLC
5.0(
9
)
Electric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - InstallOil Boiler or Radiator Heating System - Install

Serving Caldwell, ID and surrounding areas

Approved

In business since 2007

Free estimates

Credit card accepted

"The price was reasonable and they sent someone out very quickly. The repair was likewise very quick and the toilet is working great."
Faucets
Copper Piping
Copper Piping
Copper Piping
Copper Piping

+1

Response time1 day
6 neighbors recently requested a quote
Recommended by100%of homeowners
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Avatar for DIAMOND HEATING & COOLING
DIAMOND HEATING & COOLING
4.9(
154
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Caldwell, ID and surrounding areas

In business since 1999

Free estimates

Emergency services offered

"The morning Owen was coming out he text me a photo of him and the time he be arriving. It was awesome they came out look at the unit, told us what was wrong and how soon it would be fixed. They were on time very nice and emailed us a quote with 3hours."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+22

Response time1 day
Response rate100%
Recommended by97%of homeowners
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Avatar for Innovative Mechanical Solutions, LLC
Innovative Mechanical Solutions, LLC
4.9(
41
)
Electric Boiler or Radiator Heating System - Install

Serving Caldwell, ID and surrounding areas

In business since 2021

Free estimates

Emergency services offered

"Chris priced the system very well, listened well as I explained my needs, installed the system quickly and even worked with my own electrician of choice. Frank & Chris were fast and courteous on the job. As a retired HVAC contractor I know good from bad and it was done properly at a fantastic price point."
Low Voltage Controls
Water Tower Control
480 volt HV MESS!!!
Unsafe Electrical Panel
Low Voltage Control Interface

+6

Response time10 hrs
Response rate91%
Recommended by97%of homeowners
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Avatar for Driggs Plumbing and Heating
Driggs Plumbing and Heating
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 Caldwell, ID and surrounding areas

"Was recommended to us via Facebook. He responded immediately and was at our house within half hour on a Friday night. He was able to get our pilot light re-lit. Will definitely use him for future issues and reccomend him to anyone needing plumbing work!"
Recommended by100%of homeowners
Request Quote
Avatar for Ada Mechanical LLC
Ada Mechanical LLC
4.4(
36
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Caldwell, ID and surrounding areas

In business since 2004

Emergency services offered

Credit card accepted

"It was a good price. Ada Mechanical LLC came in a timely manner and were efficient.   They were also professional, friendly, came on time, and fixed the problem. I would recommend them!"
Recommended by87%of homeowners
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Showing 1-10 of 28
Install Boiler FAQs, answered by experts

The cost to install a steam boiler varies depending on the type, fuel used, and your house size. The average cost to install a boiler is $5,900. You could spend $2,000 for a basic electrical steam boiler or up to $9,000 for a high-efficiency oil-burning steam boiler. Boiler installation is a job that’s best left for professionals to complete, and, in some states, only licensed installers can legally complete the job.

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.

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.

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.

Boilers provide even heating, energy efficiency, and a quiet operation compared to forced air systems.

The Caldwell, ID homeowners’ guide to boiler installation services

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

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