
Serving Allenton, WI and surrounding areas
Approved
In business since 1987
Free estimates
Emergency services offered
"Excellent service quick but thorough! High quality work! Water heater install was great looks good!"





+8

*The Angi rating for Boiler Installation companies in Allenton, WI 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 Allenton, WI 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 June 17, 2026

Serving Allenton, WI and surrounding areas
Approved
In business since 1987
Free estimates
Emergency services offered
"Excellent service quick but thorough! High quality work! Water heater install was great looks good!"





+8

Serving Allenton, WI and surrounding areas
Approved
In business since 2016
Free estimates
Emergency services offered
"The gentleman that came was very nice, He completed the service I requested and more. I needed my furnace cleaned and checked. He explained what he as doing and everything was great."

Serving Allenton, WI and surrounding areas
Approved
In business since 1998
Free estimates
Warranties offered
"Guardian Heating and Cooling was very professional putting in our new boiler system. Steve was on time, explained everything that was going on, answered any questions about the project, was efficient professionally, and left the area as if there was no work that had happened there. In my opinion an A+ service."





+4
Serving Allenton, WI and surrounding areas
In business since 2003
Free estimates
Emergency services offered
"Sparky was great. He assessed the problems and fixed all of them in an efficient manner. He really knows his stuff. My track lighting was totally screwed up - he had to get up in the attic and run new wires and install a new switch. He knocked it out of the park. 6 months later, all things that he worked on are working great. Highly recommend his services."

Serving Allenton, WI and surrounding areas
In business since 1997
Emergency services offered
Credit card accepted
"Tech was punctual and friendly. Diagnosed the issue with the switches and outlets. Replaced half of the switches and the outlet repairing the problem. Unfortunately the new switches and outlet did not match the previous color leaving me with 2 white switches and two almond switches in the same bank of switches. Tech told me they could not make them all match because they don’t carry almond color switches. Completed after work survey and was contacted by customer service who stated that they would have a tech come back to the house and install the new white switch that i had purchased due to the inconvenience. New switch was installed without issue."





+3

Serving Allenton, WI and surrounding areas
In business since 2016
Free estimates
Emergency services offered
"They came out and looked over the A/C unit. I told him it makes a very loud banging when it starts up and that the company who installed it told us that was normal and it was working fine. Once he was done cleaning the unit, he went to restart it and it tripped the breaker. So he took it apart and found that when it was installed, someone had pinched a wire, cutting the insulation and causing it to short out on the frame of the A/C unit. He fixed that, reassembled the unit and restarted it. It's still a loud start, but not nearly as loud as it was. He informed me that our A/C is a builder grade model and unfortunately it's not the best on the market so it's going to be louder than we would like. Once he was done working on the A/C, he came in and took a look at our furnace to make sure it wasn't hooked up wrong also. Definitely will be calling on Faithful again."
Serving Allenton, WI and surrounding areas
Serving Allenton, WI and surrounding areas
In business since 1997
Emergency services offered
Credit card accepted
"The installation of the new furnace was good. We have not had any issues with it. The workers were pleasant to deal with. The salesperson was helpful and advised me what furnace I should install. I was happy with the service by this company."

Serving Allenton, WI and surrounding areas
In business since 2010
Free estimates
Credit card accepted
"It went fine. They were friendly. There was no additional charge apart from the big deal but he said there were close to having an extra charge because the vent line was longer than expected but it was just in the parameter. The scheduling was fine."
Serving Allenton, WI and surrounding areas
In business since 1893
Free estimates
Warranties offered
"Very prefessional and thorough. Left my place clean after the install, and even loaned me some goo-be-gone from their toolbox for a project that I was working on while they were installing my furnace. They reviewed what they did at the end, and gave me a card so that I could call with any issues. Would highly recommend Sears and their contractors."
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