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Verified Reviews for Radon Detection And Reduction pros in Inyokern, CA

*The Angi rating for Radon Detection And Reduction companies in Inyokern, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Radon Detection And Reduction needs.

*The HomeAdvisor rating for Radon Detection And Reduction companies in Inyokern, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Radon Detection And Reduction needs.

Last update on January 19, 2026

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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 Legion Property Inspections LLC

Legion Property Inspections LLC

5.00(
5
)

Legion Property Inspections LLC

5.00(
5
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Buying or selling a home is a stressful event, so we are committed to providing you with the best possible inspection and explanation of results so that you can make a fully informed decision. We are trained and equipped to evaluate a wide variety of property issues, including full home inspections, mold/radon/water testing, and Energy Score evaluations. All of our inspections are thorough and complete, and utilize the most advanced tools and techniques. Every full home inspection includes a FREE thermal inspection to help identify hidden moisture, missing insulation, or burrowed insects ($150-200 value). Finally, we are so certain of your satisfaction that all of our inspections are backed by our legendary 200% Guarantee.

"We needed a last minute roof inspection for an escrow and he came out quickly and did the job. We had the results the next day and although we ended up needing yet another inspection by a roofer, it helped us close an exhaustive escrow."

Daryle H on September 2018

Buying or selling a home is a stressful event, so we are committed to providing you with the best possible inspection and explanation of results so that you can make a fully informed decision. We are trained and equipped to evaluate a wide variety of property issues, including full home inspections, mold/radon/water testing, and Energy Score evaluations. All of our inspections are thorough and complete, and utilize the most advanced tools and techniques. Every full home inspection includes a FREE thermal inspection to help identify hidden moisture, missing insulation, or burrowed insects ($150-200 value). Finally, we are so certain of your satisfaction that all of our inspections are backed by our legendary 200% Guarantee.

"We needed a last minute roof inspection for an escrow and he came out quickly and did the job. We had the results the next day and although we ended up needing yet another inspection by a roofer, it helped us close an exhaustive escrow."

Daryle H on September 2018

Avatar for Heartland Environmental Services

Heartland Environmental Services

No reviews yet

Heartland Environmental Services

No reviews yet
Free onsite estimate

Heartland Environmental Services serves the entire Tulare area with the best environmental services available. We are a multi-functional inspection, remediation and restoration company that offers the best service at competitive prices. Any form of environmental damage you have experienced on your property, whether residential or commercial, is our specialty; from mold damage to stagnant water, fire and smoke, or any other harmful substances or environmental factors. Our website offers more information on the services we offer, as well as information on the negative affects of mold and other environmental hazards. You can also contact a customer service representative Monday through Friday, 8am to 5pm, who can answer any specific questions you may have, as well as schedule an appointment with one of our technicians.

Heartland Environmental Services serves the entire Tulare area with the best environmental services available. We are a multi-functional inspection, remediation and restoration company that offers the best service at competitive prices. Any form of environmental damage you have experienced on your property, whether residential or commercial, is our specialty; from mold damage to stagnant water, fire and smoke, or any other harmful substances or environmental factors. Our website offers more information on the services we offer, as well as information on the negative affects of mold and other environmental hazards. You can also contact a customer service representative Monday through Friday, 8am to 5pm, who can answer any specific questions you may have, as well as schedule an appointment with one of our technicians.

Radon Detection and Reduction questions, answered by experts

It is possible to test for radon yourself using DIY radon test kits, but these at-home test kits should never be a replacement for professional radon testing. DIY test kits can provide some information about radon exposure in your house, but your indoor temperature and humidity can affect the results, as can improper usage of the test kit. You could save yourself some money by hiring a radon professional to begin with, and when it comes to your family’s safety, hiring an experienced professional to do the testing is usually the best option.

Radon enters your home when warm air begins to rise and exits through the roof, creating a vacuum that pulls cooler air from under the foundation. Part of that air is radon, which is an invisible, odorless gas that develops naturally when radioactive particles are deep within the ground. Those particles usually come from decaying matter in soil and rocks.

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

Installing a mitigation system reduces radon levels, which can cause lung cancer, providing peace of mind and long-term health benefits. It can also increase your home’s value, as many buyers prefer properties with radon safety measures in place. The investment is relatively low compared to the potential health risks associated with prolonged radon exposure.

Since radon typically comes out of the soil, it is most commonly found in the lower levels of a home. In houses with basements, that's a common location for radon. Homes built directly on the ground may have radon on the ground floors. Radon can be found on the upper floors of the home, but often in lower concentrations than in lower levels.

The Inyokern, CA homeowners’ guide to radon detection and reduction services

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