Top-rated radon detection and reduction specialists.

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Jansen Heating, Air Conditioning & Electrical

213 W Main
4.56(
9
)

Jansen Heating, Air Conditioning & Electrical

213 W Main
4.56(
9
)
Customers say: Quick response
31 years of experience

Additional DBA - Jansen Heating & Electric, Jansen Heating & Airconditioning.

"Serviceman was nice but when I called the office to complain the man was maniacal, SCREAMING at me. He certainly needs to learn how to treat customers along with some anger management sessions."

Julie S on February 2019

Additional DBA - Jansen Heating & Electric, Jansen Heating & Airconditioning.

"Serviceman was nice but when I called the office to complain the man was maniacal, SCREAMING at me. He certainly needs to learn how to treat customers along with some anger management sessions."

Julie S on February 2019

E C Siding & Windows

925 Hayes St
5.00(
1
)

E C Siding & Windows

925 Hayes St
5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
"They had done a good job on my skylight. So I hired them to replace my grandsons roof. Showed up immediately. Started the job a day or two later. Finished it in a day and a half. Reasonable rate. Another excellent job. .Thank you, EC ROOFING ."

Paula G on December 2020

"They had done a good job on my skylight. So I hired them to replace my grandsons roof. Showed up immediately. Started the job a day or two later. Finished it in a day and a half. Reasonable rate. Another excellent job. .Thank you, EC ROOFING ."

Paula G on December 2020

RadoVent Illinois LLC

10S187 Schoger Dr
4.96(
68
)

RadoVent Illinois LLC

10S187 Schoger Dr
4.96(
68
)
Customers say: Quality work
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers

RadoVent Illinois llc is dedicated to installing top performing radon mitigation systems that block radon gas before it enters the home. We have installed thousands of radon mitigation systems in residential homes, office buildings, apartments and government buildings. Our courteous team of licensed radon remediation technicians go the extra mile to ensure your 100% satisfaction.

"Did a fantastic job. We are extremely pleased. Very clean and professional installation. Our Radon levels went from 11.5 to 0.4."

Rick W on September 2023

RadoVent Illinois llc is dedicated to installing top performing radon mitigation systems that block radon gas before it enters the home. We have installed thousands of radon mitigation systems in residential homes, office buildings, apartments and government buildings. Our courteous team of licensed radon remediation technicians go the extra mile to ensure your 100% satisfaction.

"Did a fantastic job. We are extremely pleased. Very clean and professional installation. Our Radon levels went from 11.5 to 0.4."

Rick W on September 2023

MidAmerica Basement Systems

4525 Buckeye St
4.55(
140
)

MidAmerica Basement Systems

4525 Buckeye St
4.55(
140
)
Customers say: Quality work
36 years of experience

MidAmerica Basement Systems is your premier locally owned and operated company that specializes in foundation repair, basement waterproofing, crawl space repair, concrete leveling, and radon mitigation.

"Salesman that we were to replace dry wall. Later learned we were to have it removed. Attempts to reach supervisors and owners resulted in zero until time to do installation. Gave $1300+ down. Note: this went to the salesman, not to MABS. Then salesman stated $12,000 more if MABS removed the dry wall. Paid salesman and his friend to remove it but didn't do all of it! Sent certified letters to Cedar Rapids address after we got no verbal responses to phone calls. Later learned they receive no mail there, only in Davenport. Were to have GFI outlet placed at far end of basement. 3 electricians said not possible. Also discharge was to be underground to rear of yard which we thought meant to back! House sits on clay. Was to discharge under ground out 10 feet from house. Canceled installation and have found that other basement waterproofing companies do not require 2.5 feet of dry wall removed: only baseboard. Cost was same as MABS. Now we must pay to have drywall installed after the waterproofing is completed."

Barbara S on September 2020

MidAmerica Basement Systems is your premier locally owned and operated company that specializes in foundation repair, basement waterproofing, crawl space repair, concrete leveling, and radon mitigation.

"Salesman that we were to replace dry wall. Later learned we were to have it removed. Attempts to reach supervisors and owners resulted in zero until time to do installation. Gave $1300+ down. Note: this went to the salesman, not to MABS. Then salesman stated $12,000 more if MABS removed the dry wall. Paid salesman and his friend to remove it but didn't do all of it! Sent certified letters to Cedar Rapids address after we got no verbal responses to phone calls. Later learned they receive no mail there, only in Davenport. Were to have GFI outlet placed at far end of basement. 3 electricians said not possible. Also discharge was to be underground to rear of yard which we thought meant to back! House sits on clay. Was to discharge under ground out 10 feet from house. Canceled installation and have found that other basement waterproofing companies do not require 2.5 feet of dry wall removed: only baseboard. Cost was same as MABS. Now we must pay to have drywall installed after the waterproofing is completed."

Barbara S on September 2020

Environmental Testing & Research Laboratories, Inc

60 Elm Hill Ave.
4.85(
347
)

Environmental Testing & Research Laboratories, Inc

60 Elm Hill Ave.
4.85(
347
)
Customers say: True professional
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018

Radon Detection and Reduction questions, answered by experts

In most states, radon testing companies don’t need to be licensed or certified by the state, but the companies that analyze the test results and develop radon mitigation protocols do. You should choose a radon testing company that suits your needs, but before hiring a mitigation specialist, check our state licensing tool to make sure the company is properly certified.

Services test for allergens, mold, VOCs, and carbon monoxide levels to ensure a healthy indoor environment.

A DIY kit can lessen the sting that comes with paying for a professional assessment, but these comprehensive tests are true lifesavers. Inspectors are more likely to catch all of the pollutants and hazards in your air. Plus, you’ll still need a professional to verify and act on your DIY test results. 

Some kits don’t include tests for certain air pollutants or only detect their presence, but not their levels (i.e., mold spores). If you’re willing to shell out money for a DIY kit, it’s usually better to stretch your budget slightly higher for a more detailed assessment.

Results from radon testing usually take a week to process after the test period ends, with expedited services sometimes available for urgent cases.

If high radon levels are detected, steps include sealing entry points, installing a mitigation system, and retesting the air regularly to ensure reduced levels.

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The Mount Carroll, IL homeowners’ guide to radon detection and reduction services

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

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