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Best boiler installation pros near Dekalb, IL

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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon184
    Verified boiler installation services reviews

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

Avatar for Regional Plumbing Heating & Air
Regional Plumbing Heating & Air
5.0(
15
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Dekalb, IL and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

"Prompt service with very little advanced notice. Technician removed old flame sensor and installed a new one in about 20 minutes. Pleased with technician and service, and will do business again them again if needed. Owner called to confirm service and sent a text with name and information about the technician before his arrival."
20 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Innovation Heating & A/C
Innovation Heating & A/C
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 Dekalb, IL and surrounding areas

Free estimates

Emergency services offered

Credit card accepted

We are a family-owned business, founded by Oscar Contreras in Rolling Meadows IL, and we're grown to be an HVAC leader in Northwest Suburbs. We're proud to say that most of our customers are repeat customers. The reason for that is clear. We offer superior craftmanship, honest communication, and great clear service. We work together with a common goal of bringing happiness and satisfaction to all our customers. With this goal in mind, we offer honest opinions regarding services & installations. We take pride in every aspect of our business from a simple service call to the most difficult installations. We have built our business on recommendations by word of mouth on behalf of satisfied customers. If you need a service, installation or have a question, please give us a call @ (224)-558-1516

Recommended by100%of homeowners
Avatar for AVA Quality LLC
AVA Quality LLC
4.9(
7
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Dekalb, IL and surrounding areas

In business since 2020

Free estimates

Emergency services offered

"Owner provided options for 4 or 5 manufacturers and several models for each manufacturer. Company always showed up when they said they would. Did a professional job installing the furnace and cleaned up after the installation was complete. Sheet metal work was good. Furnace is working very well. I plan to have them install a replacement air conditioner this spring. Very happy so far."
it can't breath
AC Unit service
AC Unit service
AC Unit service
Additional Photos

+3

Recommended by100%of homeowners
Avatar for The Furnace Guy
The Furnace Guy
4.9(
4
)
Electric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install - For Business+2 more

Serving Dekalb, IL and surrounding areas

In business since 2020

Free estimates

Emergency services offered

Our company welcomes you to experience a tradition of customer satisfaction that will exceed your greatest expectations. Our professionalism and quality craftsmanship will accurately reflect your tasks and lifestyle. We are known for our prompt service and superior attention to detail. You can count on us to get the job done right the first time. We wlll meet with you at your convenience and will not keep you waiting. Call us today for your free estimate. You'll be pleased you did. Thank you

Response time2 hrs
Response rate94%
Recommended by75%of homeowners
Avatar for North Alabama Technical Services
North Alabama Technical Services
4.9(
124
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Dekalb, IL and surrounding areas

In business since 2010

Emergency services offered

Credit card accepted

"Sooo....first, Jim is a very nice guy.  However, Jim now works in Nashville during the week and is only home to the Huntsville area on the weekends.
My first impression of him was that he was awesome.  My computer system had crashed because I pulled the plug during a thunder storm before the computer fully shut down which resulted in the computer hanging up.  Jim took my call while in Tennessee and suggested how to fix the system.  For this I am very grateful.

What happened next was I had him come and check my computer to make sure everything was working properly.  He came to my house and spent an hour tweaking it (basically running various checks on the system), for which I paid him $50.  He suggested that my laptop would work much better if I had Windows 7 and increased my RAM up to 4 GB.  He said he could install it for me for (including the RAM) for about $160.  We met the following weekend for the handoff and he loaded Window 7.  When I received the call it was ready, the bill was $227.50.  I was surprised that is was $70 more than quoted, but paid it anyways.  When I asked about the RAM, he mentioned he did not upgrade the RAM and this would be another $60.  I was a little discouraged at that point since I felt like I was being taken advantage of, but the guy is relatively nice, so I said to go ahead and order the RAM.  He did so and the following weekend was supposed to install it.  Due to some personal things in his life, he wasn't able to install it, so I picked it up since I had to go out of town and could use the IT guy at my new location to install it for me.  When we went to install the RAM, the system wouldn't let us do it since my particular type of laptop can only take 2GB of RAM max.  If Jim had gone to the crucial.com website (where he bought my RAM) and entered my computer system on it, it would have told him the max amount of RAM that could be installed on that unit.  He did not do that.  He is supposed to refund my $60 this next weekend.

I think if Jim wasn't burning the candle at both ends by having a job in Tennessee during the week and trying to run this business on the weekends, it would've been a better experience.  Perhaps taking a few extra minutes to SLOW DOWN and write out an estimate of everything he would need for the job including the prices would ensure people know up front how much the repair would/should cost so they can budget accordingly.  I think if he had taken that approach, it might've been a better experience.  So now I am stuck with a laptop that runs slower because Windows 7 uses more memory and a laptop that can't be upgraded to more RAM.  Basically, the last step which cost me almost $300 was not necessary.  If you need something simple done like coming back from a system crash, he would be okay to use.  Otherwise, for the bigger jobs, I recommend he provide a written estimate with the items he plans to do.

UPDATE:  After posting this review, I received a number of text messages from Jim commenting on the bad review.  I understand he is upset, but harassing someone about a review is not a good way to go.  My review was honest and not meant to be mean, but to let those that use Angie's list get what they pay for...an honest review of someone's experience."
2014 Super Service Award Winner!
Additional Photos
Recommended by97%of homeowners
Avatar for Preferred Home Improvements
Preferred Home Improvements
4.7(
12
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Dekalb, IL and surrounding areas

In business since 2010

Free estimates

Emergency services offered

"Dillon was a great guy and worked fast and efficient. My house is 50 plus years old and the duct work had never been cleaned. Post the work, the house even smelled better. I am in the middle of a complete remodel and living in the house. I had all 11 vent grilles removed -(saved Dillon a pile of time not having to remove and re-install) and I would have thought a discount would have been in order."
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+30

Recommended by100%of homeowners
Showing 1-10 of 27
Install Boiler FAQs, answered by experts

An expansion tank must always be installed on the supply side, which is the side where the boiler sends water out to heat the systems. That placement allows the water to push against the air and condense properly as it is heated, then circulated through the system. Professional installers can recommend the best place on the supply side for an expansion tank.

In some cases, conversion kits are available, but not all boilers are compatible. Conversion may require significant modifications and should only be performed by a qualified professional. Before making a decision, compare conversion costs to the cost of a complete replacement to determine the most cost-effective and reliable option for your home.

The radiators closest in proximity to the boiler heating system will heat up first. Radiators in rooms farther away from the boiler will take longer to heat up and may be the coolest rooms in the house. The radiator unit itself should heat up evenly; otherwise, there may be trapped air inside it.

All modern boilers are condensing boilers because they’re the most efficient type. Instead of extra heat leaving through the flue, these boilers trap the heat and use it to heat the house. Whether you choose a combi boiler, system boiler, or regular boiler, you can opt to get a condensing system. If you have an old boiler that’s not a condensing boiler, it’s a good idea to get an upgrade.

Most propane boilers last 15 to 20 years with regular maintenance and proper care. The lifespan depends on the quality of the unit, proper installation, and the level of maintenance. Investing in annual service can maximize longevity and efficiency. Routine inspections and timely repairs prevent early breakdown, ensuring your boiler heats your home for years to come.

The Dekalb, IL homeowners’ guide to boiler installation services

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