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Avatar for ALO Radon

ALO Radon

5.00(
25
)
•Approved Pro

ALO Radon

5.00(
25
)
•Approved Pro
Customers say: Quick response
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
5 years of experience

With over 7 years of experience the testing and mitigation industry, ALO Radon is your industry leader in the Spearfish area and all the surrounding areas. We pride ourselves on our extreme professionalism and attention to detail. As a family owned & operated business, you can trust we will treat your project as we would treat our own. Our customer satisfaction guarantee will assure you that we will not leave your property until you are completely satisfied with our work. Give us a call today, we look forward to working with you!

"What a relief to find Anthony and ALO. After a mail-in radon test revealed extremely high levels of radon, we called The Big Guys in town. Do not get me started? .luckily I called ALO next. Their price was MUCH more reasonable and they scheduled me 5 days out! Anthony was great at keeping us informed re: times. He also made it clear that he would start with a basic mitigation package, and if the radon levels were still too high, they would then start adding more expensive fans/additional suction points, etc. There was an up front price list for all these options. Thankfully after 2 days, the work was done and tests soon revealed nearly non-existent radon! I highly recommend these guys."

Jason B on January 2025

With over 7 years of experience the testing and mitigation industry, ALO Radon is your industry leader in the Spearfish area and all the surrounding areas. We pride ourselves on our extreme professionalism and attention to detail. As a family owned & operated business, you can trust we will treat your project as we would treat our own. Our customer satisfaction guarantee will assure you that we will not leave your property until you are completely satisfied with our work. Give us a call today, we look forward to working with you!

"What a relief to find Anthony and ALO. After a mail-in radon test revealed extremely high levels of radon, we called The Big Guys in town. Do not get me started? .luckily I called ALO next. Their price was MUCH more reasonable and they scheduled me 5 days out! Anthony was great at keeping us informed re: times. He also made it clear that he would start with a basic mitigation package, and if the radon levels were still too high, they would then start adding more expensive fans/additional suction points, etc. There was an up front price list for all these options. Thankfully after 2 days, the work was done and tests soon revealed nearly non-existent radon! I highly recommend these guys."

Jason B on January 2025

Avatar for Blackburn Foundation Repair, LLC

Blackburn Foundation Repair, LLC

4.64(
21
)
•Approved Pro

Blackburn Foundation Repair, LLC

4.64(
21
)
•Approved Pro
Customers say: Quality work
33 years of experience
Free onsite estimate

Blackburn Basement Systems has been providing the best in basement waterproofing, crawl space and foundation repair, concrete leveling, and radon mitigation in South Dakota, and Eastern Wy, since 1992. We offer a variety of solutions for the multitude of issues that result from below grade construction throughout South Dakota. Thousands of homes, businesses and government agencies have been serviced by our trained professional installers throughout South Dakota, and Eastern Wy. We are proud to say we have 500 reviews with 4.8 stars!

"Went through them for wall braces which the job was horrible. Then the final price was 3000 more then what my quote was. I do not recommend them for a first choice. "

Matt W on November 2025

Blackburn Basement Systems has been providing the best in basement waterproofing, crawl space and foundation repair, concrete leveling, and radon mitigation in South Dakota, and Eastern Wy, since 1992. We offer a variety of solutions for the multitude of issues that result from below grade construction throughout South Dakota. Thousands of homes, businesses and government agencies have been serviced by our trained professional installers throughout South Dakota, and Eastern Wy. We are proud to say we have 500 reviews with 4.8 stars!

"Went through them for wall braces which the job was horrible. Then the final price was 3000 more then what my quote was. I do not recommend them for a first choice. "

Matt W on November 2025

Avatar for Environmental Testing & Research Laboratories, Inc

Environmental Testing & Research Laboratories, Inc

4.85(
347
)

Environmental Testing & Research Laboratories, Inc

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

Avatar for Radon Be Gone Corp

Radon Be Gone Corp

4.87(
39
)

Radon Be Gone Corp

4.87(
39
)
Customers say: Terrific value
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Radon Be Gone is one of the leading mitigation experts for radon and most highly certified radon company in the U.S. We do small to large residential and commercial work. Radon Be gone is an A rated company with BBB and Super Service Award winner. Other locations include: Park City: 435-631-9997 Logan: 435-994-8252 St. George: 435-414-8099 Idaho Falls: 208-932-8222

"Product is very good quality. Installation was excellent, everything was explained very well. Price is great and no pressure to up sell anything. I would recommend Radon Be Gone to anyone."

Brad C on September 2020

Radon Be Gone is one of the leading mitigation experts for radon and most highly certified radon company in the U.S. We do small to large residential and commercial work. Radon Be gone is an A rated company with BBB and Super Service Award winner. Other locations include: Park City: 435-631-9997 Logan: 435-994-8252 St. George: 435-414-8099 Idaho Falls: 208-932-8222

"Product is very good quality. Installation was excellent, everything was explained very well. Price is great and no pressure to up sell anything. I would recommend Radon Be Gone to anyone."

Brad C on September 2020

Gale Chimney Service

4.83(
6
)

Gale Chimney Service

4.83(
6
)
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Gale Chimney Service is the destination for all your chimney cleaning needs. Locally owned and operated, we can take care of any chimney problem you may have. We will make sure you get all the information you need up front and always know exactly what we’re doing in your home. Call for an appointment today. Our business hours are Monday through Friday 8AM until 5PM.

"We are lucky to have this company in Casper. They were personable, professional and punctual. We will call them again when we need our Chinney cleaned."

Candice H on November 2021

Gale Chimney Service is the destination for all your chimney cleaning needs. Locally owned and operated, we can take care of any chimney problem you may have. We will make sure you get all the information you need up front and always know exactly what we’re doing in your home. Call for an appointment today. Our business hours are Monday through Friday 8AM until 5PM.

"We are lucky to have this company in Casper. They were personable, professional and punctual. We will call them again when we need our Chinney cleaned."

Candice H on November 2021

Avatar for Excalibur Construction, Inc.

Excalibur Construction, Inc.

5.00(
6
)

Excalibur Construction, Inc.

5.00(
6
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Since 1979 Excalibur has been providing customers with the highest quality new homes and remodels while meeting their budget requirements.

Since 1979 Excalibur has been providing customers with the highest quality new homes and remodels while meeting their budget requirements.

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.

If your home has a sump pit, you can integrate it with a radon mitigation system. You can accomplish this by sealing the pump cover with an airtight lid that accommodates radon vent pipes and sump pump hoses. This allows the vent pipe to redirect the radon gas outside of your home.

Costs depend on test type, home size, number of testing locations, and whether follow-up testing is required.

Avoid opening windows and keep doors closed during testing to obtain accurate readings.

Radon is the number one non-smoking cause of lung cancer in the United States, but it can cause some other concerning side effects in the meantime. If you have a raspy voice, chest pains, trouble breathing, difficulty swallowing, or any of the above, don’t hesitate to perform radon testing and install a mitigation system as soon as possible.

The Buffalo, WY 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.

See all articles

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