Top-rated radon detection and reduction specialists.

Get matched with top radon detection and reduction specialists in Honolulu, HI

Q: How long can you go without a radon fan?

• <div><p>Your radon fan needs to operate 24/7 to be effective. The only time the fan isn't operating is during its replacement. Radon levels in the home can increase within hours if the fan stops working or something obstructs the stack vent. Fortunately, radon systems require no downtime maintenance between fan changes.</p></div>

Q: Do radon mitigation systems come with warranties?

• <div><p>Yes, many systems include warranties for performance. Confirm terms with your installer.</p></div>

Q: How much electricity does a radon mitigation system use?

• <div><p>The average radon mitigation system uses about 876 kWh of electricity per year, although the exact amount of electricity used will vary depending on the size of the radon fan. Once the system is installed, the annual increase to your energy bill could range from <b>$30 to $300 per year</b>, again depending on the size of the fan.</p></div>

Q: How long does the radon abatement process usually take?

• <div><p>Mitigation can take several days depending on home setup, equipment accessibility, and achieving effective diffusion system sealed efficiency.</p></div>

Q: Is it okay to live in a house with radon?

• <div><p>Ideally, no one will live in a house with elevated radon levels, as prolonged exposure increases the risk of serious health issues like lung cancer. However, homes with radon can be made safe through mitigation systems, such as active soil depressurization. Testing for radon regularly and addressing high levels helps ensure a safe living environment.</p></div>

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Verified Reviews for Radon Detection And Reduction pros in Honolulu, HI

*The Angi rating for Radon Detection And Reduction companies in Honolulu, HI 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 Honolulu, HI 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 September 30, 2025

Reviewed in September 2025
Mark and his co-worker did a great job trimming my trees and hauling away the rubbish. They were friendly, professional and efficient, completing the job so quickly. Here are the before and after pictures:
Impact Trees and Landscaping LLC
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Reviewed in June 2024
As I mentioned in an earlier review, Architech Inspection Systems is and continues to be my go-to inspection company for my properties and when asked for referrals from clients. Duane and Bryan complete thorough inspections, provide a great report format for clients, and always accommodate...
Architech Inspection Systems
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Reviewed in February 2024
a wonderful experience! shayne and rahson were professional and did a great job. from the first call from chelsie, shayne's wife, to the end experience, i would reccommend them and use their services again.
Biven’s Drain Cleaning & Service
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Reviewed in November 2023
This is the third time I have used Gil for tree trimming and removal. Each time he has been extremely professional and proactive in communicating with me to make sure he knew exactly what the scope of the job was and quoted me a reasonable price and time frame to do it in. He went above and...
Dances with Branches Tree Care
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Reviewed in March 2023
Jamone and his crew are the best, reliabke, on time and they have the Aloha spririt and work with tenahts of ours who had a lesser budget and worked around the budget. Mahalo J-4 removal
J-4 Removal LLC
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Reviewed in September 2022
Jason was great! I put that I needed a remove and install window AC unit and it happened within an hour! Super quick and efficient. I was grateful it got done within such short notice.
Redo Hawaii
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Reviewed in March 2022
Henry was very responsive and handled my appraisal in a timely manner. He was competent and experienced and provided my report as requested.
Real Property Services Co.
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Reviewed in December 2021
Awsome job done by virus mitigation attention to detail and goes above and beyond!
Virus Mitigation Services, LLC
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Reviewed in August 2021
Ryan is a hard worker! He truly is skilled and a great window cleaner. I have hired him on a couple of my homes and he is precise and fast at what he does. I would recommend Ryan for window cleaning!
Ryan's Window Cleaning
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Find Radon detection and reduction specialists in Honolulu

GLOBETECK GROUP

5.0(

)

Serving Honolulu, HI and surrounding areas

In business since 1995

Free estimates

Credit card accepted

"Mohammad is very knowledgeable, he's been doing it for a very long time and it shows in his final product. I reference Mohammed's knowledge on consulting issues that can range from asbestos and other hazardous problems."

Response time2 days

Recommended by100%of homeowners

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Arete Home Inspectors

5.0(

)

Serving Honolulu, HI and surrounding areas

In business since 2008

Free estimates

Small jobs welcome

"So thankful for Joe! He responded promptly and was able to conduct his inspection the very next day. Very professional, knowledgeable and kind. I will be recommending Arete Home Inspectors to everyone. Mahalo nui!"

Response time1 day

Response rate87%

Recommended by20%of homeowners

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Hippo Home Inspections

5.0(

)

Serving Honolulu, HI and surrounding areas

In business since 2021

Free estimates

Credit card accepted

Hippo Home Inspections is the solution to all of your home inspection needs. We take great pride in our extreme professionalism, timeliness, and superior customer service on every job. We make sure to develop a lasting relationship, so that the next time service is needed, there will be no question on who to call.

Response time1 day

20 neighbors recently requested a quote

Serving Honolulu, HI and surrounding areas

In business since 2007

Free estimates

Emergency services offered

"I am very glad and satisfied your services. Thank you very much. Will close this transaction on time with your great help."

Recommended by100%of homeowners

Serving Honolulu, HI and surrounding areas

In business since 2008

Free estimates

Emergency services offered

"Excellent work. Need follow up on warranty."

Response time1 day

Recommended by70%of homeowners

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Akamai Remediation & Management Services,

3.0(

)

Serving Honolulu, HI and surrounding areas

Credit card accepted

"The work was done on time and on budget and the workers are on time and professional."

Recommended by50%of homeowners

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Radon Detection and Reduction questions, answered by experts

Your radon fan needs to operate 24/7 to be effective. The only time the fan isn't operating is during its replacement. Radon levels in the home can increase within hours if the fan stops working or something obstructs the stack vent. Fortunately, radon systems require no downtime maintenance between fan changes.

Yes, many systems include warranties for performance. Confirm terms with your installer.

The average radon mitigation system uses about 876 kWh of electricity per year, although the exact amount of electricity used will vary depending on the size of the radon fan. Once the system is installed, the annual increase to your energy bill could range from $30 to $300 per year, again depending on the size of the fan.

Mitigation can take several days depending on home setup, equipment accessibility, and achieving effective diffusion system sealed efficiency.

Ideally, no one will live in a house with elevated radon levels, as prolonged exposure increases the risk of serious health issues like lung cancer. However, homes with radon can be made safe through mitigation systems, such as active soil depressurization. Testing for radon regularly and addressing high levels helps ensure a safe living environment.

The Honolulu, HI 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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Who Installs Radon Mitigation Systems?
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Jul 9, 2026Jul 9, 2026
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What is radon testing? Radon testing measures the presence and concentration of radon gas within indoor environments. Read on to learn more.