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Radon gas testers in Flagstaff

121 PRO, LLC
1718 North Fort Valley Road Suite 121
5.00(
1
)
Approved Pro
121 PRO, LLC
1718 North Fort Valley Road Suite 121
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
9 years of experience

121 PRO, is committed to excellence every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"OK, this was a WILD ride! We finally moved in and hire a few contractors to repair the items Bill (121 PRO) highlighted on his report. Were we nervous, YES! 1st time buying a house and it is a fixer-upper. Bill was able to help us understand the complexities of each repair and was able to prioritize them for us. Bill is the defination of 'Salt of the Earth'. Also, I want to give a shout-out to our realtor David Swain. Rock Star!"

Rodger R on May 2024

121 PRO, is committed to excellence every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"OK, this was a WILD ride! We finally moved in and hire a few contractors to repair the items Bill (121 PRO) highlighted on his report. Were we nervous, YES! 1st time buying a house and it is a fixer-upper. Bill was able to help us understand the complexities of each repair and was able to prioritize them for us. Bill is the defination of 'Salt of the Earth'. Also, I want to give a shout-out to our realtor David Swain. Rock Star!"

Rodger R on May 2024


Avatar for Affordable Radon Southwest
Affordable Radon Southwest
2942 N 24th St Ste 114
4.82(
337
)
Approved Pro
Affordable Radon Southwest
2942 N 24th St Ste 114
4.82(
337
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
15 local quotes requested

We are a family owned and operated company specializing in Radon Gas testing & reduction. Our services include Radon Mitigation & testing, sump pump installation & pit excavation, crawl space vapor barrier installation, & crawl space insulation services. Along with our expert team of professionals, & wide portfolio of services, we also stand behind our work with a lifetime warranty on our Radon mitigation systems, at a guaranteed level of 3.9pCi/L or below! We have worked hard serving our clients for the past decade, and we would love the opportunity to earn your business whether you're a Real Estate Agent assisting a client through closing or a homeowner concerned with the dangers of Radon Gas, give us a Call Today!

"This company has great customer service. They care about their customers, putting our needs first. Very quick to scheduling and prompt on arrival time. Very educational on the process. Great work, job well done. Would definitely recommend! "

Michelle A on June 2025

We are a family owned and operated company specializing in Radon Gas testing & reduction. Our services include Radon Mitigation & testing, sump pump installation & pit excavation, crawl space vapor barrier installation, & crawl space insulation services. Along with our expert team of professionals, & wide portfolio of services, we also stand behind our work with a lifetime warranty on our Radon mitigation systems, at a guaranteed level of 3.9pCi/L or below! We have worked hard serving our clients for the past decade, and we would love the opportunity to earn your business whether you're a Real Estate Agent assisting a client through closing or a homeowner concerned with the dangers of Radon Gas, give us a Call Today!

"This company has great customer service. They care about their customers, putting our needs first. Very quick to scheduling and prompt on arrival time. Very educational on the process. Great work, job well done. Would definitely recommend! "

Michelle A on June 2025


MSP Contracting
90 Kiowa
No reviews
MSP Contracting
90 Kiowa
No reviews
26 years of experience

My company has been in business for over 12 years. I have handled problems that run the gamute of your imagination, from hoarders to hanta virus infestation to improper drainage around a house.

My company has been in business for over 12 years. I have handled problems that run the gamute of your imagination, from hoarders to hanta virus infestation to improper drainage around a house.


Ezra Builders
P.O. Box 2783
5.00(
1
)
Ezra Builders
P.O. Box 2783
5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Ezra Builders is a family owned design-build company that implements integrated design methodology for construction management. We offer fixed bid and time and material contracts depending on client preference and project scope. We have a network of subcontractors we have partnered with to develop and construct our projects. Our staff includes and interior designer, Passivhaus consultant and certified Passivhaus builder, an electrician of 35 years, and carpenters who have specialized in custom home building. Ezra Builders is the only certified Passivhaus (or "passive house") builder in the state of Arizona.

Ezra Builders is a family owned design-build company that implements integrated design methodology for construction management. We offer fixed bid and time and material contracts depending on client preference and project scope. We have a network of subcontractors we have partnered with to develop and construct our projects. Our staff includes and interior designer, Passivhaus consultant and certified Passivhaus builder, an electrician of 35 years, and carpenters who have specialized in custom home building. Ezra Builders is the only certified Passivhaus (or "passive house") builder in the state of Arizona.


Moldlab
2501 Mayes Road
4.66(
402
)
Moldlab
2501 Mayes Road
4.66(
402
)
Customers say: True professional
25 years of experience

Mold identification, mold test kits and testing supplies. If you suspect you have a mold problem give us a call toll free and we can walk you through your testing options.

"The self-test product was as expected. The reports require additional research to interpret and understand, so seemed more targeted at professionals."

Jessica H on February 2018

Mold identification, mold test kits and testing supplies. If you suspect you have a mold problem give us a call toll free and we can walk you through your testing options.

"The self-test product was as expected. The reports require additional research to interpret and understand, so seemed more targeted at professionals."

Jessica H on February 2018


Global Plasma Solutions
10 Mall Terrace
5.00(
1
)
Global Plasma Solutions
10 Mall Terrace
5.00(
1
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Global Plasma Solutions is a manufacturing company that sells air purification systems primarily into the commercial and residential markets. Home owners can benenfit from our systems as they are easily adapted to any HVAC system. Go to www.gpshvac.com to find a certified contractor near you to have one installed within your home.

Global Plasma Solutions is a manufacturing company that sells air purification systems primarily into the commercial and residential markets. Home owners can benenfit from our systems as they are easily adapted to any HVAC system. Go to www.gpshvac.com to find a certified contractor near you to have one installed within your home.


SMALLJOBSNOW.COM
1840 41ST AVE
5.00(
1
)
SMALLJOBSNOW.COM
1840 41ST AVE
5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Angie's List customers are receiving 20% off any two or more projects performed.

Angie's List customers are receiving 20% off any two or more projects performed.


Perfection Tech
2012 W Honey Dew Dr
No reviews
Perfection Tech
2012 W Honey Dew Dr
No reviews

The world of technology can be fast-paced and frustrating. That's why we try to put you at ease, by installing and configuring your equipment correctly the first time. We pride ourselves on providing the best experience for our customers. This in turn helps provide the best business relationships and partnerships. Perfection! Why expect anything less?

The world of technology can be fast-paced and frustrating. That's why we try to put you at ease, by installing and configuring your equipment correctly the first time. We pride ourselves on providing the best experience for our customers. This in turn helps provide the best business relationships and partnerships. Perfection! Why expect anything less?


CMT Technical Services
No reviews
CMT Technical Services
No reviews
47 years of experience

CMT Technical Services (since 1978) provides a full range of environmental services such as Phase I and Phase II ESA's, asbestos surveys, lead testing, and indoor air quality surveys.

CMT Technical Services (since 1978) provides a full range of environmental services such as Phase I and Phase II ESA's, asbestos surveys, lead testing, and indoor air quality surveys.


TG's Carpet & Restoration Services
4402 E Huntington Dr
No reviews
TG's Carpet & Restoration Services
4402 E Huntington Dr
No reviews
30 years of experience

TG's Carpet and Restoration Services is the premium carpet, tile, and upholstery cleaning service in Nothern Arizona. TG's is the leading water, fire, mold and asbestos restoration and remediation experts in Northern Arizona. We have a 1 hour response time, 24hours a day.

TG's Carpet and Restoration Services is the premium carpet, tile, and upholstery cleaning service in Nothern Arizona. TG's is the leading water, fire, mold and asbestos restoration and remediation experts in Northern Arizona. We have a 1 hour response time, 24hours a day.

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FAQs for radon gas testing projects in Flagstaff, AZ

Radon fans last between five and 10 years with continuous operation. Many manufacturers provide warranties ranging from one to five years. Rather than replacing on a fixed schedule, monitor your system for signs of failure such as unusual noises, vibrations, or changes in system pressure readings. Regular inspections can help identify when replacement is necessary before radon levels increase in your home.

While experienced homeowners with knowledge of radon systems might replace their own fans, most should hire professionals. The process involves electrical work and precise sealing to maintain system effectiveness. 

Improper installation could lead to radon exposure or system inefficiency. Since professional replacement costs are reasonable, most homeowners choose certified radon specialists to ensure proper installation and system function.

Watch for warning signs such as unusual or excessive noise from the fan, vibrations, or changes in your system's manometer or pressure gauge readings. If you notice rising radon levels during routine testing, this could indicate fan failure. Physical damage to the fan housing or water leaks around the unit also suggest replacement is needed. Regular system inspections can help catch these issues early.

Contact certified radon mitigation specialists or professionals with specific experience in radon systems. These experts understand the importance of proper fan sizing and installation techniques. They can ensure your system maintains effective radon reduction and complies with safety standards. Working with qualified professionals provides assurance that your home remains protected from harmful radon gas.

Standard homeowners' insurance policies usually don't cover radon fan replacement, as this is considered routine maintenance rather than sudden or accidental damage. Some home warranty programs might include radon equipment coverage, so check your specific policy details. In most cases, radon fan replacement is a homeowner's responsibility as part of normal system upkeep.

The Flagstaff, AZ homeowners’ guide to radon gas testings
From average costs to expert advice, get all the answers you need to get your job done.
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