RadonTec GmbH

What RadonTec GmbH does

RadonTec GmbH is a German radon detection, diagnostics, and remediation company headquartered in Wittislingen, Bavaria. Founded in 2017, the company serves residential, commercial, and industrial customers across the DACH region (Germany, Austria, and Switzerland). Its primary customer segments are homeowners and property owners, employers subject to German workplace radon measurement obligations, construction industry professionals, and public institutions such as schools. RadonTec holds state-recognized measurement body status (Anerkannte Stelle §155 Strahlenschutzverordnung), authorizing it to conduct legally compliant workplace radon measurements in Germany, a designation held by only a limited number of entities. The company has built a portfolio spanning measurement (passive and active devices), diagnostics (building entry-point analysis, soil air analysis), and remediation (sealing, depressurization, ventilation), positioning itself as a full-service radon protection provider rather than a single-product vendor.

The company's product portfolio centers on its proprietary LivAir radon detection technology, protected by European Patent No. 3825735, which is deployed in both consumer-grade monitors and the Tracer Modbus Industry system capable of measuring up to 2,000,000 Bq/m³. Hardware offerings include passive long-term nuclear track exposimeters (PRD Home and PRD Workplace for legally compliant workplace measurements), active digital monitors (EcoQube Radon Eye RD200, Ecosense EcoQube Flex), and a line of ALPHA-branded mitigation products (AlphaSniffer for entry-point detection, AlphaSeal, ALPHABLOCK 4+, ALPHABLOWER, ALPHAFRESHBOX 100/200). Service offerings include consulting, measurement planning, building diagnostics, soil air analysis, radon remediation installation, training programs for the construction industry, and the Mission Radonfrei free webinar initiative that builds top-of-funnel demand and positions the company as the category authority.

RadonTec operates a hybrid business model combining e-commerce hardware sales through its RadonShop storefront with project-based professional services revenue. The go-to-market approach is multi-channel: self-serve e-commerce for consumer hardware, consultative direct sales (phone, WhatsApp, calendar booking) for workplace compliance and remediation projects, content marketing and SEO driving organic traffic, an active social media presence across Facebook, Instagram, YouTube, TikTok, and LinkedIn, and earned media coverage in Bayerischer Rundfunk, an ORF documentary, and Klassik Radio. Publicly disclosed pricing includes the EcoQube Radon Eye RD200 at EUR 189.00 incl. VAT (2024 Bestseller); service pricing is quote-based. The team is self-described as small (1-10 employees) and founder-managed, with Martin Waltl serving as Managing Director and personally hosting the Mission Radonfrei webinar series.

Name

RadonTec GmbH

Legal name

RadonTec GmbH

Website

https://radontec.de

Company type

Private

Founded year

2017

Operating status

Operating

Headcount range

1–10 employees

Short description

RadonTec GmbH is a German radon detection, diagnostics, and remediation company serving residential, commercial, and industrial customers across the DACH region. It holds state-recognized measurement body status under §155 StrlSchV and offers measurement devices, mitigation hardware, and professional services.

Ownership category

akta.pro rank

Product category

Radon Protection Services

NAICS

Testing Laboratories and Services (54138), Other Measuring and Controlling Device Manufacturing (334519)

SIC

Services-Testing Laboratories (8734), Measuring & Controlling Devices, Nec (3829)

akta.pro primary industry

Radon Detection & Monitoring Systems (HSAHAGAF)

akta.pro secondary industries

Radon Mitigation & Ventilation Services (HSAOAIAK), Radon Risk Screening & Testing (Real Estate Transactions) (EUAHAEAG), Radon, Mold & Moisture Risk Assessment/Testing (EDAEAKAN), Radiological (NORM/Low-Level) Remediation & Decommissioning (IMAIAGAG)

Keywords

• Radon measurement devices
• Radon remediation services
• Building diagnostics solutions
• Workplace radiation compliance
• Indoor air quality services

Headquarters

HQ city

Wittislingen

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Supply Chain

Revenue model

1. Radon Measurement Hardware Sales: Sale of radon measurement devices (passive exposimeters and active digital monitors) through the company's online shop (radonshop.com) and marketplace listings. Products range from consumer-grade home monitors to professional/industrial-grade sensors. Revenue is transaction-based with one-time purchase of physical devices.
2. Professional Consulting & On-Site Services: Fee-for-service delivery of radon consulting, building diagnostics, soil air analysis, measurement planning, and radon remediation. Services are delivered by trained radon specialists and radon-certified personnel. Revenue is project-based, priced per engagement.
3. Workplace Radon Measurement Services: Anerkannte Stelle (officially recognized measurement body) providing legally compliant radon measurements at workplaces per §155 Strahlenschutzverordnung. Includes measurement planning, execution, and documentation for regulatory compliance.
4. Training & Education: Radon training programs for the construction industry, building professionals, energy consultants, and building biologists, delivered as part of the Schulungen Baubranche service line.

Pricing tiers

Go-to-market motion3 records

Distribution channels4 records

Marketing channels8 records

Core offering

RadonTec GmbH sells radon measurement devices (passive nuclear track exposimeters and active digital monitors), radon protection and remediation hardware (sealing systems, sub-slab depressurization, air circulation units), and provides professional radon services including consulting, soil air analysis, building diagnostics, radon remediation, and construction industry training. The company holds state-recognized measurement body (Anerkannte Stelle) status under §155 Strahlenschutzverordnung for legally compliant workplace radon measurements, and operates the radonshop.com e-commerce platform alongside the Mission Radonfrei educational initiative.

Product overview

RadonTec GmbH offers a comprehensive portfolio of radon measurement products and services for both private and professional use. The product range includes passive radon exposimeters (PRD Long) for long-term measurements (1-12 months), active digital radon monitors (LivAir, Tracer Modbus Industry), and a line of ALPHA-branded radon protection products (AlphaSniffer, AlphaSeal, ALPHABLOCK 4+, ALPHABLOWER, ALPHAFRESHBOX 100/200) for sealing and blocking radon entry points. The company provides associated services including consulting, measurement concepts, soil air analysis, building diagnostics, and radon remediation. Additionally, RadonTec operates the Mission Radonfrei educational initiative offering free webinars, and maintains a European patent (No. 3825735) for their LivAir radon detector technology.

Differentiator

Problem solved

Functional benefit

Brands

• LivAir: Own radon measurement technology brand developed by RadonTec, featuring European-patented radon detectors for residential and professional use.
• AlphaSniffer
• AlphaSeal
• ALPHABLOCK 4+
• ALPHABLOWER
• ALPHAFRESHBOX 100
• ALPHAFRESHBOX 200

Products and services

• PRD Long Radon Exposimeter Accredited radon measurement device for long-term residential measurements (1-12 months) using the nuclear track measurement method, including laboratory evaluation by partner lab ALTRAC. Designed for homeowners who want a reliable, certified measurement of radon concentration in their residence.
• PRD Radon Exposimeter for Workplaces Approved passive radon exposimeter for legally compliant radon measurements at workplaces in radon precautionary areas per §§127, 128 of the German Radiation Protection Act (Strahlenschutzgesetz). Designed for employers and facility managers who need statutorily valid measurement results.
• AlphaSniffer Professional radon measurement device used for building diagnostics to identify radon entry points in buildings. Used by radon specialists and building biologists as a professional entry-point detection tool.
• AlphaSeal Sealing product for radon entry points in buildings. Part of RadonTec's Alpha-line radon protection and remediation hardware range for building applications.
• ALPHABLOCK 4+ Radon barrier product for building protection applications. Part of RadonTec's Alpha-line radon protection hardware range used in radon mitigation installations.
• ALPHABLOWER Radon mitigation blower device for sub-slab depressurization in buildings. Part of RadonTec's Alpha-line radon protection hardware range for active radon reduction.
• ALPHAFRESHBOX 100 Air purification and ventilation product for radon mitigation in buildings. Part of RadonTec's Alpha-line radon protection hardware range.
• ALPHAFRESHBOX 200 Air purification and ventilation product for radon mitigation in buildings. Part of RadonTec's Alpha-line radon protection hardware range.
• LivAir Radon Detector Technology Company's own radon measurement technology brand with European Patent No. 3825735 for a radon detector, developed for modern and accessible radon measurement in residential and professional applications.
• Tracer Modbus Industry Professional and industrial radon measurement system using LivAir technology with a measurement range up to 2,000,000 Bq/m³, designed for demanding professional and industrial applications.
• Ecosense EcoQube Flex Battery-powered portable radon monitor for home use providing first measurement results after 10 minutes with 15x higher sensitivity than the industry minimum standard, always-on real-time display, Bluetooth Low Energy app connectivity, and up to 7 years of battery life on 2xAA batteries. Distributed through RadonTec's RadonShop.
• Beratung & Service (Radon Consulting) Consulting services for radon protection and radon remediation, covering initial assessment, measurement planning, and remediation recommendations for private homeowners, employers, and building professionals.
• Messkonzepte (Measurement Concepts) Custom measurement concept development for radon detection in residential, commercial, and workplace settings, including measurement planning and execution strategy.
• Bodenluftanalyse (Soil Air Analysis) Soil air analysis service for assessing radon risk in the ground beneath and around buildings, typically conducted as a precursor to new construction or pre-remediation assessment.
• Gebäudediagnose (Building Diagnostics) On-site building diagnostics to identify radon entry points and assess radon concentration in existing buildings, typically performed when initial measurements show elevated radon levels requiring root-cause analysis.
• Sanierung (Radon Remediation) Radon remediation and mitigation services for existing buildings, including installation of sealing systems, sub-slab depressurization, and ventilation solutions to permanently reduce indoor radon concentrations.
• Schulungen Baubranche (Construction Industry Training) Training programs for the construction industry on radon protection, targeted at architects, construction companies, tradespeople, energy consultants, and building biologists seeking radon expertise and certification.

Quantifiable outcome

• 16% increase in lung cancer risk per 100 Bq/m³ increase in radon concentration (WHO / BfS)
• +3 more outcomes

Named customers7 records

Segments6 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Three partnerships are on record, tiered minor and core.

• DHBW Heidenheim (Duale Hochschule Baden-Württemberg)minorStrategic or Co-development Partner · 6 March 2025RadonTec became a dual partner of DHBW Heidenheim, enabling the company to participate in dual education programs and attract student talent. This supports RadonTec's hiring and talent development in a growing niche market.
• ALTRACcoreTechnology or IntegrationALTRAC is the partner testing laboratory that evaluates RadonTec's passive radon exposimeters (PRD products) after customer measurement periods. The lab provides the legally recognized analysis that produces the radon concentration results reported to customers.
• DogscanminorGTM or Marketing PartnerRadonTec became an official partner of Dogscan — a lung cancer early detection service. This partnership aligns radon risk awareness (RadonTec's core business) with lung cancer prevention (Dogscan's service), creating a complementary health protection ecosystem for customers.

Scale indicators4 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Bundesamt für Strahlenschutz (BfS) accredited measurement bodies: Other state-recognized Messstellen in Germany authorized to perform workplace radon measurements under §155 StrlSchV. As a group, these institutions are direct competitors for regulated workplace radon contracts and define the size of the addressable Anerkannte Stelle market.
• Sun Nuclear (Mirion Medical): Radiation measurement and quality assurance provider (part of Mirion) with radon-related products. Operates at much larger scale across medical and industrial radiation monitoring, overlapping with RadonTec's industrial-grade radon measurement capabilities (e.g., Tracer Modbus Industry).
• Saphymo (Bertin Instruments): France-based radiation and nuclear measurement instrumentation company offering radon monitors as part of a broader environmental and nuclear safety portfolio. Saphymo is a broader incumbent that overlaps with RadonTec in workplace radon compliance and radiation monitoring instrumentation.

Others

• Altrac (Radon Measurements Services): German radon testing laboratory that already evaluates RadonTec's PRD passive exposimeters. While Altrac is currently a partner lab, it also operates in adjacent radon measurement and analysis services, making it both an ecosystem enabler and a partial competitor in measurement services.

Direct peers

• Airthings: Norwegian consumer and prosumer radon monitor leader with global distribution. Airthings competes with RadonTec's consumer hardware line (e.g., RD200, LivAir monitors) and represents the well-funded international challenger in the connected radon monitor category.
• Durridge Company: US manufacturer of the RAD7 and other radon detection instruments widely used by professional radon mitigators and researchers. Durridge competes in the professional radon instrumentation segment that RadonTec serves via AlphaSniffer, LivAir, and Tracer Modbus devices.
• Ecosense: US-based radon technology company whose EcoQube Radon Eye is distributed by RadonTec via radonshop.com. Ecosense is both a supplier (RadonTec resells EcoQube products) and a direct competitor in the consumer/prosumer radon monitor category.
• Radonova: Sweden-based radon measurement laboratory offering accredited passive radon detectors across Europe. Radonova competes directly with RadonTec's PRD exposimeter business and ALTRAC-evaluated measurement services, particularly for long-term radon testing in homes and workplaces.
• Rad Elec: France-based radon measurement specialist offering professional radon detectors and accredited measurement services. Rad Elec operates in the same European regulatory landscape as RadonTec and serves overlapping workplace and residential radon compliance customers.
• Sarad GmbH: German instrumentation company specializing in radon measurement devices and dosimetry for both residential and workplace compliance. Like RadonTec, Sarad serves German StrlSchV-regulated workplace radon measurement and operates in the DACH market, making it a direct head-to-head competitor in radon instrumentation and accredited services.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCIQhpfmv-TuXBomnyhe1-Lg
• Facebookfacebook.com/RadonTec-GmbH-101840591314824
• Instagraminstagram.com/radontec_gmbh
• TikToktiktok.com/@radontec
• LinkedInlinkedin.com/company/radontec

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds1 record

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about RadonTec GmbH