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TRUSTED BY LOCKPORT, IL HOMEOWNERS

  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon141
    Verified insulation services reviews

Find Insulation pros in Lockport

Avatar for Weather Shield Insulators
Weather Shield Insulators
5.0(
27
)

Serving Lockport, IL and surrounding areas

Approved

In business since 2008

Free estimates

Warranties offered

"I am extremely satisfied with Weather Sheild Insulation. Mr. Gonzalez was courteous , professional, prompt, knowledgeable and very informative. He answered all my questions, gave me several options with Quality materials at a great price. Clean and efficient. I highly recommend."
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+14

Response time11 hrs
2 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for ARC Insulation, Inc.
ARC Insulation, Inc.
4.7(
49
)

Serving Lockport, 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.
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+8

Response time2 days
76 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for ARC INSULATION
ARC INSULATION
4.6(
95
)

Serving Lockport, IL and surrounding areas

Approved

Super Service Award Winner

In business since 1993

Free estimates

Warranties offered

"Arc was great from the start. We were given a complimentary consultation by Steve Garrett, who gave us a detailed explanation on the issues we may have with our attic insulation and why our energy bills may be so high. We chose to have our attic insulated and our ducts sealed. Our ducts saw a 93.5% improvement, and we immediately noticed the difference in the temperature of our second floor. Even during this prolonged heat wave, we have been able to keep our temperatures much lower than before. The attic insulation has also decreased the temperatures of the upstairs. It has been a remarkable difference. We are fully expecting our house to be more comfortable in the winter as well. Steve is honest and reliable and we would not hesitate to recommend Arc to anyone who needs insulation and duct work."
Air Duct Cleaning Project
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+30

18 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Assured Energy Solutions
Assured Energy Solutions
4.6(
81
)

Serving Lockport, IL and surrounding areas

Approved

In business since 1985

Free estimates

Credit card accepted

"We were very pleased with the completed results of our attic insulation project. Every member of the crew was courteous and professional. They made sure the work area was clean before they left. Our contact person Mike was very professional and kept us informed from beginning to end. We would highly recommend this company."
Response time1 day
Response rate99%
15 neighbors recently requested a quote
Avatar for Attic Pro
Attic Pro
5.0(
28
)

Serving Lockport, IL and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

"Attic Pro Insulation did an outstanding job! They contacted me 10 minutes after I entered my search information.They were professional, on time, and explained everything clearly. Highly recommend them for anyone needing quality insulation work!"
Response time8 hrs
Response rate100%
18 neighbors recently requested a quote
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Insulation questions, answered by experts

Yes, it is possible to have too much insulation, which can have detrimental effects. While more insulation might seem better for energy efficiency, a home needs to "breathe" or ventilate to release moisture that accumulates inside. Over-insulating can seal a house too tightly, trapping water vapor and leading to several problems, including mold, mildew, and condensation. Homes in warm, humid climates are particularly susceptible to mold, while those in colder climates can experience condensation from temperature fluctuations. Additionally, adding more insulation than the recommended amount for your climate may not provide recoverable energy savings. To avoid these issues, consult a professional insulation contractor who can determine the optimal amount of insulation for your home.

The most insulative type of insulation for behind drywall is spray foam insulation, but this is the most expensive insulation available. The most common insulation—sometimes considered the best for the value you get for the money—is fiberglass roll or fiberglass batt insulation, which is significantly more affordable but also far less insulative. The best kind of insulation for your house will also vary based on the climate in your area, your budget, and more. A professional insulation company can help you decide which type is best for your home.

Fiberglass is considered dangerous only if your skin comes into contact with it or if you breathe in any fiberglass particles. This is because fiberglass is literally made of tiny fibers of glass that can cut your skin and your organs. While there aren’t many long-term effects, it’s still important to take all the proper safety precautions when working with fiberglass.

The heat loss through a poorly insulated attic when you’re running your furnace or heat pump during cold weather can be as high as 25%. This means you could see significantly higher energy costs to make up for this heat loss. The cost of adding insulation to the attic may eventually pay for itself through lower energy bills. If you decide to add a radiant barrier too, the radiant barrier cost may also pay for itself over time.

Structural insulated panels and rigid foam boards have the highest R-value of any insulation that contractors commonly use, with R-values reaching up to around 8.0. These types of insulation are best in extremely cold climates, but they’re generally preferred for new construction, as they can be challenging to retrofit. Blown-in and loose fill insulation provide the next best insulative value, provided the installation is done properly. It’s important to choose an insulation type that meets your needs based on climate, as maximizing R-value may not always be financially worthwhile if you live in a moderate climate.

The Lockport, IL homeowners’ guide to insulation services

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