# St. Louis Home Radon Test > A radon resource by Air Sense Environmental Website: https://stlouishomeradontest.com Language: en (UTF-8) Charset: UTF-8 Generated: 2026-10-09T17:29:22+00:00 --- # St. Louis Home Radon Test A radon information website operated by Air Sense Environmental, not a separate business or local office. Radon testing built around St. Louis real estate deadlines, for buyers, sellers and agents. Business entity: https://airsenseenvironmental.com/#organization Owner and named radon professional: Jake Lusby (registry name Jacob Lusby), Illinois IEMA Mitigation Professional license RNM20232346. This profile does not assert that Jake personally reviewed every page. Headquarters: 5237 Old Alton Edwardsville Rd, Edwardsville, IL 62025. Phone: 314-664-9807. Focus area: St. Louis, St. Louis County, St. Charles County, Jefferson County, Kirkwood, Chesterfield, O'Fallon, MO, Edwardsville. Service areas are not office locations. # Detailed Content ## Pages ### Schedule With St. Louis Home Radon Test **Summary:** Skip to contentA radon resource by Air Sense EnvironmentalSt. Louis Home Radon TestRadon guidesAboutSchedule a visit314-664-9807Home / Contact St. Louis Home Radon TestSt. Louis Home Radon Test / Air SenseSchedule... **Content:** Skip to contentA radon resource by Air Sense Environmental St. Louis Home Radon TestRadon guidesAboutSchedule a visit314-664-9807Home / Contact St. Louis Home Radon Test St. Louis Home Radon Test / Air Sense Schedule With St. Louis Home Radon Test Arrange a conversation about radon testing for a St. Louis home sale by calling 314-664-9807. Air Sense Environmental can review the property and transaction details needed to scope your request. Request a visitTalk through your next step → Real Air Sense installation photography. 01 Understand the result02 Discuss the property03 Plan the next step What should you include in your request? Use the inquiry form with the street address, your role in the sale and a callback number. State whether you need an initial measurement, help after a higher result or review of a home with an existing mitigation system. Give the inspection-response deadline and closing date as separate dates. Explain who can allow entry and whether the buyer, seller or agent is coordinating the visit. If another professional already tested the home, keep the full report available rather than sending only a number. Property address and buyer, seller or agent contact. Dates relevant to the inspection and closing. Existing test report and any requested follow-up work. When is the appointment confirmed? Sending a request does not reserve a test window. Confirm placement, retrieval and report arrangements with Air Sense before incorporating them into the transaction schedule. Let the occupants know that the testing instructions must be reviewed before the measurement starts. Request your radon visit Your request goes to Air Sense Environmental. The team will confirm availability and the scope of work. Prefer to speak with someone? Call 314-664-9807. Air Sense Environmental on Google Maps Air Sense Environmental serves properties across the Greater St. Louis bi-state metro from Edwardsville, Illinois. This map shows the business behind this website, not a separate local office. 5237 Old Alton Edwardsville Rd, Edwardsville, IL 62025. Call 314-664-9807 to arrange service at your property. View Air Sense Environmental on Google Maps (opens in a new tab) Sources and further reading Air Sense Environmental In this guide Keep reading Radon Testing for St. Louis Home Sales and InspectionsIs a Radon Test Required When You Buy a Home in Missouri or Illinois?Should You Buy a House With Radon or a Radon Mitigation System?Failed Radon Test During a Home Sale: What Happens and Who PaysA real property. A specific plan. Bring your test report and property questions to Air Sense Environmental. Discuss your property → Your next step Make a plan for your property. Ask Air Sense Environmental about testing, system options or an existing radon concern. Request a visit → St. Louis Home Radon TestThis site is operated by Air Sense Environmental, which provides the radon services described here. It is a service information site, not a separate local office. 5237 Old Alton Edwardsville Rd, Edwardsville, IL 62025 314-664-9807 Start here HomeAboutContact Radon decisions depend on a property-specific test and the applicable guidance. --- ### About St. Louis Home Radon Test **Summary:** Skip to contentA radon resource by Air Sense EnvironmentalSt. Louis Home Radon TestRadon guidesAboutSchedule a visit314-664-9807Home / About St. Louis Home Radon TestSt. Louis Home Radon Test / Air SenseAbout... **Content:** Skip to contentA radon resource by Air Sense Environmental St. Louis Home Radon TestRadon guidesAboutSchedule a visit314-664-9807Home / About St. Louis Home Radon Test St. Louis Home Radon Test / Air Sense About St. Louis Home Radon Test This website helps St. Louis buyers, sellers and agents organize radon testing around a property transaction. Air Sense Environmental supplies the services described here and receives the appointment requests. Request a visitTalk through your next step → Real Air Sense installation photography. 01 Understand the result02 Discuss the property03 Plan the next step Who provides the service? Radon questions can arrive alongside an inspection report, repair negotiation or approaching closing. These guides explain how to prepare for testing, interpret the next practical step and document an agreed response. The transaction focus gives you a place to start before speaking with the people handling the sale. The site is an Air Sense service resource, rather than an independent inspection company. It does not create a separate local office. Your purchase agreement and the facts of the property remain central to decisions about testing, responsibility and payment. Keep the purchase and inspection documents together. Have the owner or agent identify the access contact. Get any agreed repair or credit terms recorded in the transaction paperwork. How can you prepare for a conversation? Bring the complete radon report, the inspection-response date and the closing date to the conversation. Identify who owns the property, who can authorize entry and who should receive the findings. Those details help distinguish a new testing request from a question about an existing result. Sources and further reading Air Sense Environmental In this guide Keep reading Radon Testing for St. Louis Home Sales and InspectionsIs a Radon Test Required When You Buy a Home in Missouri or Illinois?Should You Buy a House With Radon or a Radon Mitigation System?Failed Radon Test During a Home Sale: What Happens and Who PaysA real property. A specific plan. Bring your test report and property questions to Air Sense Environmental. Discuss your property → Your next step Make a plan for your property. Ask Air Sense Environmental about testing, system options or an existing radon concern. Request a visit → St. Louis Home Radon TestThis site is operated by Air Sense Environmental, which provides the radon services described here. It is a service information site, not a separate local office. 5237 Old Alton Edwardsville Rd, Edwardsville, IL 62025 314-664-9807 Start here HomeAboutContact Radon decisions depend on a property-specific test and the applicable guidance. --- ### Failed Radon Test During a Home Sale: What Happens and Who Pays **Summary:** Skip to contentA radon resource by Air Sense EnvironmentalSt. Louis Home Radon TestRadon guidesAboutSchedule a visit314-664-9807Home / Failed Radon Test? Who Pays for Mitigation, Buyer or SellerSt. Louis Home Radon... **Content:** Skip to contentA radon resource by Air Sense Environmental St. Louis Home Radon TestRadon guidesAboutSchedule a visit314-664-9807Home / Failed Radon Test? Who Pays for Mitigation, Buyer or Seller St. Louis Home Radon Test / Air Sense Failed Radon Test During a Home Sale: What Happens and Who Pays Who pays for radon mitigation, buyer or seller? Payment depends on the purchase agreement and any negotiated amendment. A failed radon test does not automatically make either party responsible for the bill. Buyers and sellers can discuss installation, a credit or another agreed response with their agents. Put the payment, scope and follow-up testing terms in writing. Request a visitTalk through your next step → Real Air Sense installation photography. 01 Understand the result02 Discuss the property03 Plan the next step What happens if a house fails the radon test? A failed radon test usually means a result exceeds the action level used for the transaction. Start by reviewing the actual concentration, test location, dates and any report notes. The word failed is shorthand; the complete report is what the parties and contractor need. Send the report to your agent while the inspection-response period is open. Ask the measurement professional to explain any limitation or interrupted test condition. If mitigation is proposed, obtain a scope for the property rather than negotiating from a generic internet price. Keep the original report and attachments. Record the response deadline from the contract. Request a written mitigation scope when appropriate. Who pays for radon mitigation, the buyer or the seller? Payment responsibility comes from the parties' agreement, not from a universal rule that sellers always pay. Possible proposals include seller-arranged work, an agreed credit or a buyer-arranged installation. These are negotiation options, and the contract and financing terms determine which can be used. Discuss more than the total amount. Someone must select the contractor, approve the route, authorize access and arrange verification. Have your agent or attorney document the accepted terms so a verbal discussion does not leave the most important details unresolved. Name the party ordering the installation. State who pays for the work and any follow-up test. Define the documentation to be supplied. Ask the lender whether a proposed credit is permitted. Can mitigation be finished before closing? Mitigation can be completed before some closings, but the schedule must be confirmed for the specific house and scope. Do not rely on an assumed installation date. Access, contractor availability and the follow-up measurement all need a place on the calendar. Air Sense Environmental can review the property details and discuss scheduling at 314-664-9807. Send the report and both the inspection deadline and closing date. An installation date and a final report date are different milestones; your agreement should say which one matters. If the available schedule does not fit, discuss the options with the people handling the sale before signing an amendment. This page does not promise payment at closing, escrow arrangements or a particular completion window. Confirm equipment access with the owner. Allow for the required testing conditions after work. Identify who receives the completion records. What is a radon contingency? A radon contingency is contract language that addresses testing and what the parties may do after the result. Its effect depends on the wording, deadlines and applicable transaction rules. A general online description cannot establish a right to cancel, demand repairs or receive a credit. Ask your agent or attorney to explain the actual clause before its deadline passes. Have them distinguish the deadline for ordering a test from the deadline for notifying the seller or reaching an agreement. Keep the technical report separate from the legal interpretation of the contract. Questions before you book Who pays for the original radon test?Confirm that in the inspection agreement or purchase documents. The party scheduling the appointment should establish billing before the test begins. Should a seller simply open windows to lower the result?No. Follow the test instructions. Changing the required conditions can invalidate a measurement and delay a useful decision. What documents are useful after mitigation?Request the invoice or completion record, system instructions, relevant warranty documents and the follow-up radon report agreed in the scope. Sources and further reading EPA home buyer and seller guideIllinois Radon Awareness ActMissouri DHSS radon guidance In this guide Keep reading Radon Testing for St. Louis Home Sales and InspectionsIs a Radon Test Required When You Buy a Home in Missouri or Illinois?Should You Buy a House With Radon or a Radon Mitigation System?A real property. A specific plan. Bring your test report and property questions to Air Sense Environmental. Discuss your property → Your next step Make a plan for your property. Ask Air Sense Environmental about testing, system options or an existing radon concern. Request a visit → St. Louis Home Radon TestThis site is operated by Air Sense Environmental, which provides the radon services described here. It is a service information site, not a separate local office. 5237 Old Alton Edwardsville Rd, Edwardsville, IL 62025 314-664-9807 Start here HomeAboutContact Radon decisions depend on a property-specific test and the applicable guidance. --- ### Should You Buy a House With Radon or a Radon Mitigation System? **Summary:** Skip to contentA radon resource by Air Sense EnvironmentalSt. Louis Home Radon TestRadon guidesAboutSchedule a visit314-664-9807Home / Should You Buy a House With Radon or a Mitigation System?St. Louis Home... **Content:** Skip to contentA radon resource by Air Sense Environmental St. Louis Home Radon TestRadon guidesAboutSchedule a visit314-664-9807Home / Should You Buy a House With Radon or a Mitigation System? St. Louis Home Radon Test / Air Sense Should You Buy a House With Radon or a Radon Mitigation System? Should I buy a house with a radon mitigation system? An installed system is a reason to review its condition and test results, not an automatic reason to reject the house. Before buying, obtain the system records, arrange a current radon test and identify who will address any needed work. A mitigation system is equipment to evaluate during your home purchase. Request a visitTalk through your next step → Real Air Sense installation photography. 01 Understand the result02 Discuss the property03 Plan the next step Should you buy a house with a radon mitigation system? An existing radon mitigation system can be part of a workable purchase when its condition and performance are documented. Ask for the installation record, operating instructions, service history and most recent radon report. A system should be assessed as installed equipment, with a measurement showing what is happening indoors. Make sure you understand which parts of the house the report represents. A finished basement or addition may create questions that an older report does not answer. Arrange a review before the inspection deadline so there is time to investigate missing information. Identify the installer and installation date if available. Locate the system monitor and operating instructions. Request the latest complete radon test report. Should you buy a house with high radon levels? A high radon result calls for a reduction plan and a clear agreement before you decide how to proceed. EPA recommends fixing homes at 4.0 pCi/L or higher and considering reduction between 2.0 and 4.0 pCi/L. Those guidelines are not a guarantee that a lower result has no risk. Ask a radon professional what the property needs, then discuss the proposal with your agent. Evaluate the cost, pipe route, access requirements, follow-up measurement and responsibility for unfinished work. A contractor can describe the scope; the buyer and seller decide whether the terms work for them. Obtain a written scope tied to the actual property. Specify who arranges and pays for follow-up testing. Record any agreed work in the transaction documents. What is the average lifespan of a radon mitigation system? A radon system has several components, so it does not have one universal replacement date. The fan is a powered component; piping, seals and a crawl-space membrane have different maintenance needs. EPA notes that fans may last five years or more, but age alone does not establish condition. Ask about the model, warranty paperwork and prior repairs. Budgeting for eventual maintenance is sensible, while replacing an operating component solely because of its birthday may not address the real concern. A system assessment and a radon test answer different parts of the question. A warranty term is not a promised operating life. A running fan does not establish the indoor radon level. An unusual gauge reading deserves comparison with its baseline. Can you sell a house that has radon? A home with a radon history can be offered for sale. Handle required disclosures and any agreed repairs through the applicable transaction process. Missouri DHSS advises noting mitigation systems in the seller disclosure; Illinois has specific radon disclosure requirements for covered sales. Keep an organized handover file for the buyer. Include reports with dates, contractor contact details and any maintenance instructions. Clear records make it easier to separate an old elevated result from the condition after mitigation without promising what a future measurement will show. Questions before you book Is a radon pipe proof that the home has an active system?No. A pipe may be part of a passive system or an incomplete installation. Confirm the system type and have its operation assessed. Should the buyer keep the fan running after moving in?A fan-powered radon system is designed for continuous operation. Ask for its operating instructions and arrange service if there is a fault. How do I get a property-specific assessment?Call Air Sense Environmental at 314-664-9807 with the test report, address, existing system details and purchase deadline. Sources and further reading EPA guidance on operating radon systemsEPA consumer guide to radon reductionMissouri DHSS radon guidanceIEMA-OHS real estate guidance In this guide Keep reading Radon Testing for St. Louis Home Sales and InspectionsIs a Radon Test Required When You Buy a Home in Missouri or Illinois?Failed Radon Test During a Home Sale: What Happens and Who PaysA real property. A specific plan. Bring your test report and property questions to Air Sense Environmental. Discuss your property → Your next step Make a plan for your property. Ask Air Sense Environmental about testing, system options or an existing radon concern. Request a visit → St. Louis Home Radon TestThis site is operated by Air Sense Environmental, which provides the radon services described here. It is a service information site, not a separate local office. 5237 Old Alton Edwardsville Rd, Edwardsville, IL 62025 314-664-9807 Start here HomeAboutContact Radon decisions depend on a property-specific test and the applicable guidance. --- ### Is a Radon Test Required When You Buy a Home in Missouri or Illinois? **Summary:** Skip to contentA radon resource by Air Sense EnvironmentalSt. Louis Home Radon TestRadon guidesAboutSchedule a visit314-664-9807Home / Is a Radon Test Required When Buying a Home in Missouri?St. Louis Home... **Content:** Skip to contentA radon resource by Air Sense Environmental St. Louis Home Radon TestRadon guidesAboutSchedule a visit314-664-9807Home / Is a Radon Test Required When Buying a Home in Missouri? St. Louis Home Radon Test / Air Sense Is a Radon Test Required When You Buy a Home in Missouri or Illinois? Is a radon test required when buying a home? Missouri has no statewide radon-testing regulation, according to Missouri DHSS. Illinois has radon disclosure requirements for covered sales, but its Radon Awareness Act does not require a seller to test or mitigate. Your purchase contract or financing requirements may still call for testing. Review those documents with your agent or adviser. Request a visitTalk through your next step → Real Air Sense installation photography. 01 Understand the result02 Discuss the property03 Plan the next step Is a radon test required when buying a home in Missouri? Missouri DHSS states that Missouri has no regulations requiring radon testing. That does not tell you what a particular purchase agreement or lender requires. Read the transaction documents with your agent or attorney before relying on the absence of a statewide rule. The useful question is what must happen for this purchase: whether a test is included, when you must respond to the result, and who is responsible for arranging access. Ask for the answer in writing while the inspection period is still open. Locate the inspection and environmental-condition provisions. Ask whether the lender has a separate requirement. Identify the deadline for communicating inspection concerns. What does Illinois require in a home sale? Illinois requires radon disclosures in covered residential sales. IEMA-OHS explains that sellers provide the designated radon information and disclosure materials. The Illinois Radon Awareness Act does not itself require the seller to test or mitigate. A disclosure that the seller has no known result is different from a report showing a measured concentration. Request available reports and identify the date, location and test conditions. Have your agent or attorney check which requirements and exemptions apply to the transaction. This brief overview does not replace review of the sale documents. Ask for the completed disclosure and required information. Keep copies of any prior test and mitigation records. Confirm whether the contract calls for a fresh test. How important is a radon test when buying a house? A radon test is important because it answers a property question that photographs, a walkthrough and a neighborhood map cannot settle. EPA advises testing before buying. The decision is about measuring the home you expect to occupy, including the lower level you intend to use. Treat ordering the test as a scheduling decision early in the inspection period. Waiting until every other inspection is finished can leave little time to review results or obtain a mitigation proposal. Tell Air Sense the response deadline and let the tester confirm the available measurement window. If there is an existing system, request its installation details and a current test. The presence of a pipe or fan is useful background, but it is not the result of an indoor radon measurement. A clear file helps everyone discuss the same evidence. Order the test with enough time for reporting. Give occupants the written preparation instructions. Keep the full report rather than only a screenshot. Discuss any proposed next step through the contract process. Questions before you book Does signing a radon disclosure mean the house was tested?No. A disclosure records specified information and knowledge. Look for an actual test report to establish whether a measurement was performed. Can I arrange testing even if the seller does not offer it?Ask your agent to arrange testing and access within the terms of the purchase agreement. Confirm who can authorize entry before booking. Who can help schedule a transaction test?Call Air Sense Environmental at 314-664-9807 with the address and inspection-response deadline. Availability and report timing need confirmation before you rely on a date. Sources and further reading Missouri DHSS radon guidanceIEMA-OHS real estate guidanceIllinois Radon Awareness ActEPA home buyer and seller guide In this guide Keep reading Radon Testing for St. Louis Home Sales and InspectionsShould You Buy a House With Radon or a Radon Mitigation System?Failed Radon Test During a Home Sale: What Happens and Who PaysA real property. A specific plan. Bring your test report and property questions to Air Sense Environmental. Discuss your property → Your next step Make a plan for your property. Ask Air Sense Environmental about testing, system options or an existing radon concern. Request a visit → St. Louis Home Radon TestThis site is operated by Air Sense Environmental, which provides the radon services described here. It is a service information site, not a separate local office. 5237 Old Alton Edwardsville Rd, Edwardsville, IL 62025 314-664-9807 Start here HomeAboutContact Radon decisions depend on a property-specific test and the applicable guidance. --- ### Radon Testing for St. Louis Home Sales and Inspections **Summary:** Skip to contentA radon resource by Air Sense EnvironmentalSt. Louis Home Radon TestRadon guidesAboutSchedule a visit314-664-9807St. Louis Home Radon Test / Air SenseRadon Testing for St. Louis Home Sales and... **Content:** Skip to contentA radon resource by Air Sense Environmental St. Louis Home Radon TestRadon guidesAboutSchedule a visit314-664-9807St. Louis Home Radon Test / Air Sense Radon Testing for St. Louis Home Sales and Inspections A radon test, home inspection and closing schedule should be coordinated before a home sale. Air Sense Environmental provides radon testing for home inspections in St. Louis. A radon test measures indoor radon so buyers and sellers can address the result. Share the property address, inspection deadline and access contact to confirm testing and report delivery. Request a visitTalk through your next step → Real Air Sense installation photography. 01 Understand the result02 Discuss the property03 Plan the next step Should you get a radon test with a home inspection? Yes. A radon test supplies information a visual inspection cannot provide. EPA recommends testing a home before purchase. An attractive basement, a newer foundation or a neighboring property's result cannot establish the number in the home you are buying. Ask for any previous report when you order the inspection. Check which level was tested and whether the property has changed since then. This gives your tester useful context without treating an old result as a current measurement. Does a home inspection include a radon test? A home inspection includes radon testing only when the inspection agreement specifically includes that service. Confirm the scope with your inspector instead of assuming a radon result will appear in the general inspection report. Who is ordering and paying for the radon test? Who will authorize entry and equipment collection? Which parties need a copy of the completed report? How long does a radon test take for a home inspection? The test duration and the report delivery time are separate parts of the schedule. Short-term transaction testing commonly requires at least 48 hours of measurement, with preparation, placement, pickup and reporting arranged around it. Air Sense must confirm the actual schedule for your property. Provide the inspection-response deadline, not only the closing date. A result delivered before closing may still arrive too late for the contract's inspection process. Leave room for an invalid test to be repeated if necessary. Can you be in the house during a radon test? People can generally remain in the house during a radon test while following the tester's written instructions. Normal entry and exit are different from leaving exterior doors or windows open. Keep the device in its assigned location. Tell every occupant when testing begins and ends. Share the instructions with agents and showing contacts. Report an interruption rather than trying to correct the data yourself. Do you need a radon test with no basement? Yes. Homes built on slabs or above crawl spaces can also have radon. The absence of a basement does not eliminate the need for a property-specific measurement. Tell the tester about additions, split levels and any space you expect to use regularly. How is a real estate radon test protected from tampering? A defensible real estate test starts with documented placement and clear instructions. EPA describes measures such as occupant agreements and tamper indicators. Ask which checks will be used for your test and how an interruption would be handled. A surprising number alone does not demonstrate tampering. Review the test conditions and the report with the measurement professional before drawing conclusions. How much does a radon inspection cost? The radon inspection price should cover the agreed measurement and reporting scope. Ask Air Sense for a property-specific quote at 314-664-9807. A general testing starting price is not a promise about a transaction requiring extra devices, access arrangements or reporting. Confirm placement and pickup are included. Identify the report recipients before scheduling. Ask how a repeat visit would be charged. Questions before you book Can a seller order a test before listing?Yes. A seller can arrange testing before listing and keep the report with the property records. A buyer may still request a new measurement. What should I send when requesting a test?Send the address, property type, inspection deadline, access contact and any existing radon report. Include whether a mitigation system is already installed. Sources and further reading EPA home buyer and seller guideEPA guidance on retestingMissouri DHSS radon guidance In this guide Keep reading Is a Radon Test Required When You Buy a Home in Missouri or Illinois?Should You Buy a House With Radon or a Radon Mitigation System?Failed Radon Test During a Home Sale: What Happens and Who PaysA real property. A specific plan. Bring your test report and property questions to Air Sense Environmental. Discuss your property → Your next step Make a plan for your property. Ask Air Sense Environmental about testing, system options or an existing radon concern. Request a visit → St. Louis Home Radon TestThis site is operated by Air Sense Environmental, which provides the radon services described here. It is a service information site, not a separate local office. 5237 Old Alton Edwardsville Rd, Edwardsville, IL 62025 314-664-9807 Start here HomeAboutContact Radon decisions depend on a property-specific test and the applicable guidance. --- --- # Navigation - [Documentation Overview](https://stlouishomeradontest.com/llms.txt): Return to the main documentation index ## Identity and source records - [Air Sense Environmental](https://airsenseenvironmental.com/) - [Jake Lusby profile](https://airsenseenvironmental.com/author/jakelusby/) - [IEMA issuer record](https://public.iema.state.il.us/Radon/Home/LicenseIndex?Employer=Air%20Sense%20Environmental&LicenseTypeID=0&CountyID=0&SearchString=&PageSize=20) - [Website entity map](https://stlouishomeradontest.com/entitymap.json) - [About this website](https://stlouishomeradontest.com/about/) - [Contact](https://stlouishomeradontest.com/contact/) Follow-up radon testing is recommended after mitigation. Confirm the provider, price, timing and scope in the written estimate; it is not automatically included. No blanket free-adjustment or performance guarantee is stated here.