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TRUSTED BY PLAINFIELD, IL HOMEOWNERS

  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon15
    Verified energy efficiency auditing services reviews

Top-Rated Energy efficiency auditors in Plainfield - Updated Nov 2026

Avatar for ARC Insulation, Inc.
ARC Insulation, Inc.
4.7(
49
)
Home Energy Audit

Serving Plainfield, IL and surrounding areas

Approved

In business since 1993

Free estimates

Warranties offered

"Jim Clay gave the most comprehensive quote for our insulation project. He suggested a couple of options which thought would help regulate the temperature in our home. He explained everything that ARC insulators would be doing to our home. He told us about rebates that would be credited to our bill because of a blower door pressure test and gas appliance combustion test. He presented a well-written quote. The technician for the tests and the technicians who did the insulation work showed up on time. They explained everything they were doing thoroughly. When the work was done, we did a thorough walk-thru before the techs left. We are satisfied with the work performed. We are satisfied with the money we paid. We would recommend ARC Insulation to anyone seeking recommendations."
My Work.
Our Work
Our Work
Our Work
Our Work

+8

Response time2 days
40 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Regional Plumbing Heating & Air
Regional Plumbing Heating & Air
5.0(
15
)
Energy Audit - For BusinessHome Energy Audit

Serving Plainfield, IL and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

"I am more than impressed with Evan at Regional. He has been to my house on several occasions (because I request him every time) and has never disappointed me. He is dedicated to his job and puts his all into his work, aside from him being an amazing person overall. I will always contact Regional for all of my plumbing needs, I have gotten the best work and customer service from this company!"
17 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Perma-Seal Basement Systems
Perma-Seal Basement Systems
4.4(
1,540
)
Home Energy Audit

Serving Plainfield, IL and surrounding areas

Approved

Super Service Award Winner

In business since 1979

Free estimates

Emergency services offered

"The gentleman that came to do the electric for my sump pump in the basement was a gentleman did great cleanup great work courteous kind very informative. This was the first step prior to having the drains put in. This was the Electrician and he was excellent."
Thermal imaging
Blower door test
Old insulation removal
New blown insulation
Perma-Seal Attic Insulation

+48

Response time1 day
Response rate100%
47 neighbors recently requested a quote
Goodman Home Inspections, LLC
New to Angi
Energy Audit - For BusinessHome Energy Audit

Serving Plainfield, IL and surrounding areas

Approved

My name is Darryl Goodman and I am retired from the military after 26 years of successful service. As a home inspector, I bring with me a strong foundation of professionalism, hard work, and a meticulous attention to detail. Leveraging extensive experience in both civilian and military construction, I possess a unique skill set that enhances my ability to assess and ensure the safety and integrity of residential properties.

Avatar for Climate Master Mechanical
Climate Master Mechanical
4.9(
281
)
Energy Audit - For BusinessHome Energy Audit

Serving Plainfield, IL and surrounding areas

In business since 1990

Free estimates

Emergency services offered

"Climate Masters has always provided top quality service at a reasonable price. They arrive on time and they don't find "hidden charges" or try to claim something needs to be replaced when it does. They are a great company to use"
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Installation of trash and linen chutes at Palos Community Hospital!
Installation of radiant floor heat! We install snow melt systems also.

+9

Recommended by96%of homeowners
Avatar for Millennium Solar Electric Inc
Millennium Solar Electric Inc
4.6(
203
)
Energy Audit - For BusinessHome Energy Audit

Serving Plainfield, IL and surrounding areas

In business since 1999

Emergency services offered

Credit card accepted

"I found Millennium Solar Electric through an Angie's List offer to have an electrical panel replaced with an upgraded panel with a whole home surge protector where you have to pay for the service in full before scheduling the services. Paying a service provider in full before they do any work is quite the leap of faith and goes against rules of dealing with service providers but it is the only way to take advantage of the offers. In an attempt to protect myself I contacted Millennium prior to making payment. The company did not respond to contact attempts through Angie's List email and chat service. I attempted to contact them several times that way throughout October 2017. I finally got in touch with them on November 1st. They apologized for not responding to my attempts to contact them through Angie's List. November 17th was earliest he could schedule my appointment. The work seemed to go off without much of a hitch. When they finished installing the panel, the workers left without much explanation of what what done. I noticed after they left that one of the breakers was not turned on. It was the breaker connected to the whole home surge protector. I wasn't sure if it was supposed to be on or off so I called the company and had to leave a message. A few days later I finally received a response telling me that the breaker should have indeed been turned on. OK, I thought, not a big deal. A week later I noticed that my outdoor security light was no longer working. It was working prior to the installation of the panel. So again I had to call the company. I called on December 1st, left a message. He called me back, stated that he knew what probably went wrong with the wiring when he reconnected the panel but said that he would me back to schedule a time to come correct the problem. I didn't hear back that day so I called on December 4th, 5th, and 6th. On the 6th I again explained the issue as he didn't seem to remember and we made an appointment for December 11th to correct the problem. So I took off work and waited for him to come correct the issue. Guess what....I didn't hear from him on December 11th. I called and find out what happened and the calls went directly to voice mail. I waited an hour and called again and left a message. That is where our story ends for now. I must not contemplate having another company correct the issue which would mean I would have to sue this company for whatever the amount I am charged to have the light fixed. Between December 11th and December 14th, the owner, Christopher Williams and I had a couple of exchanges via text. I think in the end, Mr. Williams understood my frustration and on December 16th he came out as promised (actually he was early) and corrected the issue with the outdoor security light. Now that my issues are resolved I have a much more favorable view of the company."
New ductwork and sheet metal
Granite countertops and new floors
New cabinet, countertops and floors
panel upgrade
400 amp meter service upgrade

+25

Recommended by90%of homeowners
Avatar for Integrity Heating & Cooling Inc
Integrity Heating & Cooling Inc
4.3(
213
)
Energy Audit - For BusinessHome Energy Audit

Serving Plainfield, IL and surrounding areas

In business since 1995

Free estimates

Emergency services offered

"Excellent! They came the same day I called. Thoroughly cleaned the blower unit, we have dogs and cats. He also checked the hot water tank as a courtesy. Offered a maintenance program for a small fee, pay ahead for maintenance and call us to remind us when services are due to be done. and they did this! This service was worth every penny! I referred them to the buyers of our house when we moved. Excellent company, I recommend them highly."
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+3

Recommended by86%of homeowners
Avatar for R & G Heating and Cooling
R & G Heating and Cooling
5.0(
6
)
Energy Audit - For BusinessHome Energy Audit

Serving Plainfield, IL and surrounding areas

In business since 2022

Free estimates

Credit card accepted

"Marco from R & G did an excellent job replacing the water heater at my rental property. I have called him many times for a variety of services at different locations. He is very professional, and I recommend him to anyone looking for HVAC services."
Recommended by100%of homeowners
Avatar for United Heating And Air Conditioning
United Heating And Air Conditioning
5.0(
7
)
Energy Audit - For BusinessHome Energy Audit

Serving Plainfield, IL and surrounding areas

In business since 2017

Free estimates

Emergency services offered

"Thank you United Heating and Air Conditioning. The team was very professional and knowledgeable, they explained everything clearly and answered all my questions. They were punctual and efficient, they completed the job quickly and effectively. I recommend them to everyone. I will continue to use their services when in need. They also do our hvac maintenance and has helped so much!"
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+7

Recommended by83%of homeowners
Avatar for Midwest Spray Coatings A Perfect Crawlspace
Midwest Spray Coatings A Perfect Crawlspace
4.7(
193
)
Energy Audit - For BusinessHome Energy Audit

Serving Plainfield, IL and surrounding areas

In business since 1999

Free estimates

Credit card accepted

"He was prompt and professional. made a complete inspection. explained everything in detail. estimate was completed in appropriate time frame. Price came in a little above my expectations. I did not have the work done because I have several major projects going on for my house. This gave me the information to prioritize and plan my work. Will possibly use him if and when i do this part of renovation."
Exposed stone foundation
Foundation repair and insulation
Polyurea Coating
Ineffective fiberglass
Repairs to Foundation - Same Day

+16

Recommended by98%of homeowners
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Energy Efficiency Auditing FAQs, answered by experts

STC (Sound Transmission Class) is a rating that describes how well a building material or assembly blocks airborne sound. A higher STC rating means less noise will pass through the material, providing better sound reduction. This rating system applies to various building components, including windows, doors, flooring, drywall, and insulation.

For context, a typical single-pane window has an STC rating of around 25 (where normal conversations are audible), while a well-sealed, double-pane window can exceed STC 45 (blocking loud speech and most music). It is important to note that for some products, like soundproofing drywall, the STC rating refers to the entire wall system, not just the individual panel.

Additionally, STC ratings are most effective for measuring sound reduction at mid-to-high frequencies, such as human speech, and may not accurately reflect how well a material blocks low-frequency sounds like bass music or thunder. Because of these factors, it is recommended to consult a professional to determine the right STC-rated materials for your specific soundproofing needs.

Expert installation optimizes insulation properties, cutting energy costs and enhancing home comfort year-round.

Energy-efficient windows are judged on their performance according to a few different factors, including heat transfer, air leakage, light transference, and condensation resistance. If you're unsure whether a window is energy-efficient, look for an ENERGY STAR® label from the U.S. Environmental Protection Agency (EPA). If various products, including windows, meet energy-efficiency standards set by the federal government, the EPA issues this label to help consumers identify energy-efficient products.

Leaving vents open but closing doors in unused rooms will probably not save money on your energy bill. Closed doors prevent the natural flow of air throughout the home, which could reduce the efficiency of the overall HVAC system. They could also restrict airflow into and through the return vents, making the HVAC system less efficient.

No, it isn’t necessary to have energy-efficient windows. However, if you care about your energy bill and making your windows more energy efficient, fixing any heat, UV, or air transfer issues is an excellent way to lower your bills and keep your house cooler in the summer and warmer in the winter.

The Plainfield, IL homeowners’ guide to energy efficiency auditing services

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