Cape Town, South Africa

A to Z Radiation Protection

& Indoor Air Quality Solutions

Curious How We Can Monitor Your Indoor Air Quality? 

Experience It for Yourself!

Write us at with your full name, email, and company (if applicable), and we will give you free access to the Airthings Dashboard to see what monitoring indoor air quality (IAQ) is all about.

CareTac has teamed up with world renowned Hope Montessori early childhood development schools to conduct an IAQ program at one of their schools using the Airthings Healthy Building Solution featuring the Wave Plus for Business and Hub for Business.


By accessing the Airthings Dashboard, you'll see what IAQ data CareTac is collecting at Hope Montessori, how they change, what patterns are observed, and, best of all, all the useful features that the Dashboard has to best ensure healthy IAQ in your building.


Learn more about:

About Us

With decades of combined experience, CareTac provides comprehensive radiation protection and indoor air quality solutions in South Africa and beyond.


 RPA Services

Backed by our profound, SACNASP-confirmed abilities and resources, CareTac provides comprehensive Radiation Protection Advisor (RPA) services. We offer RPA service packages, customized packages, and individual services. See the full list here.


Building Materials Testing

  • Quickly and accurately determine radon and thoron content.

  • Pinpoint life-cycle radon and thoron exhalation rates.

  • Test almost any building material, including concrete, cement, bricks, gypsum, and others.

  • Test popular coal combustion products, such as fly ash, bottom ash/boiler slag, and flue gas desulfurization (FGD). 


Indoor Air Quality

& Radon

  • Indoor Air Quality solutions (testing, reporting, optimization)

  • Continuous digital, long-term passive, and instantaneous onsite radon testing

  • Radon mitigation system design and installation

  • Radon risk reports

  • Expert industry and residential consulting 


RPO/ARPO Training

& Certification

  • RPO/ARPO training and certification

  • Radiation protection and management

  • Radon metrology (practical and theoretical)

  • NORM management

  • Customized training packages (RPO, NORM, and more)



  • Airthings Indoor Air Quality detectors (radon, TVOCs, CO2, humidity, air pressure, temperature, light)

  • Durridge professional radon and thoron products (incl. RAD7)

  • ATOMTEX radiation monitoring and nuclear measurements equipment

  • PARC RGM long-term passive radon monitors. 

Excellence Guaranteed

CareTac's own Ryno Botha, Pr.Sci.Nat., is an officially registered radiation scientist with the South African Council for Natural Scientific Professions (SACNASP). This ensures that Mr. Botha, and CareTac by extension, meet the highest of professional and legislative standards in their work, ensuring our clients the best quality service.


Created under the Natural Professions Act (Act No. 27 of 2003), the SACNASP is the legislated regulatory body for natural science practitioners in South Africa. The natural sciences encompass a wide range of scientific fields covering all of the basic sciences and many of their applied derivatives.


National Nuclear Regulator (NNR)

The National Nuclear Regulator (NNR) is a public entity which is established and governed in terms of Section 3 of the National Nuclear Regulator Act, (Act No 47 of 1999) to provide for the protection of persons, property and the environment against nuclear damage through the establishment of safety standards and regulatory practices.

National Health Laboratory Service

The National Health Laboratory Service (NHLS) is the largest diagnostic pathology service in South Africa, with the responsibility of supporting the national and provincial health departments in the delivery of healthcare.

Distell Group Limited

Africa's leading producer and marketer of spirits, fine wines, ciders, and ready-to-drinks (RTD)

University of Cape Town

The University of Cape Town (UCT) is South Africa's oldest university, and is one of Africa's leading teaching and research institutions.

Land Rover

South Africa's most popular 4x4 vehicles and luxury SUVs


South African major specializing in supplying electronic parts and more.

Council for Scientific and Industrial Research

South Africa's central and premier scientific research and development organization

Southern Ocean Climate and Carbon Observatory

South African-born science program in support of the Global Change Grand Challenge and the Marine and Antarctic Research Strategy

Plymouth Marine Laboratory

A marine research organization and registered charity

Vaal University of Technology

One of South Africa's leading institutes of higher education, with students from around the country