Building health diagnostics
Breathe Better.
We Fix What
You Can't See.
Radon mitigation, radon testing, and indoor air quality diagnostics for homes and businesses across Uxbridge, Durham Region, the GTA, Kawartha Lakes, and surrounding Ontario communities.
Trusted Certifications & Product Partners
RBM combines certified radon expertise with proven building-system products and professional indoor air quality diagnostics.
Why diagnostics first
Measure the Air. Improve the Way Your Home Feels.
A healthier home starts with knowing what is really happening in the air your family breathes every day. RBM measures the invisible factors that can affect comfort, sleep, focus, respiratory irritation, and overall peace of mind — then recommends practical next steps based on real data, not assumptions.
The goal is simple: a home that feels safer, healthier, and more comfortable for the people inside it.
Book a Healthy Home Assessment
Safer From Invisible Risks
Radon, CO, VOCs, and fine particles are not always obvious. Testing helps identify hidden concerns before choosing the right next step.
Healthier Air for Daily Living
Better ventilation, filtration, humidity balance, and source control can support a cleaner indoor environment for families, children, and sensitive occupants.
More Comfortable, Less Guesswork
If your home feels stuffy, dry, damp, dusty, or inconsistent, diagnostics help pinpoint what is actually causing the problem.
Core services
Start With the Invisible Risks That Matter Most
Radon Mitigation
Custom radon mitigation systems designed for your home, with entry-point sealing, suction piping, radon fan installation, exterior venting, and post-mitigation verification.
Learn about Radon MitigationRadon Testing
Professional radon testing and CNRPP-guided monitor placement to help you understand your home's long-term radon exposure and next steps.
Book Radon TestingHealthy Home Assessment
A structured on-site assessment using real-time monitoring, walkthrough inspection, ventilation review, airflow and pressure diagnostics, and a clear RBM Home Health Report.
Book Your Healthy Home AssessmentIndoor Air Quality Testing
Measure PM2.5, CO₂, CO, VOCs, humidity, ventilation performance, filtration effectiveness, and pollutant sources before choosing a solution.
Explore IAQ TestingHealthy Home Assessment
Your Assessment Becomes the Blueprint
RBM does not start by selling equipment. We start by measuring the air, identifying root causes, and explaining what your home actually needs.
What we measure
Assessment process
- Real-time air quality monitoring
- Full walkthrough and visual inspection
- Ventilation performance evaluation
- Airflow and pressure diagnostics
- Filtration effectiveness review
- Pollutant source identification
- Longer-term monitoring available when deeper trend data is needed
RBM Home Health Report
Illustrative — values are demo only
Radon
Within range< 200 Bq/m³ (Health Canada)
Within guideline range
PM2.5
Monitor< 10 µg/m³ (annual)
Monitor — seasonal variation
CO₂
Review< 1000 ppm (occupied spaces)
Ventilation review recommended
VOCs
Within rangeContext-dependent
No significant sources identified
Humidity
Within range30–50% (comfort range)
Within comfort range
Findings include root causes, guideline benchmarks, and prioritized next steps
Understanding Radon
Radon Is Invisible. Testing Gives You a Clear Answer.
Radon is a naturally occurring radioactive gas that can enter through foundation cracks, slab joints, service penetrations, sump areas, and other openings. Because every home is different, the only reliable way to understand your level is to test.
- Professional placement helps avoid misleading readings from incorrect monitor positioning.
- Long-term testing can capture seasonal changes that short-term tests may miss.
- If levels are elevated, mitigation can reduce exposure through a custom-designed system.
- RBM provides a clear path forward based on your home's actual data, not assumptions.
Common entry points
Illustrative diagram — entry points vary by home
About Jeff Moody & RBM Group
Led by Building Science, Not Guesswork
"Hi, I'm Jeff Moody, owner of RBM Group. My journey with indoor air quality began over 20 years ago in the HVAC industry, where I saw firsthand how clean air affects comfort, productivity, and health. After working primarily in commercial spaces, I brought that building-science mindset home when my own family needed answers. That experience became the reason RBM Group exists: to help other families understand and improve the air they breathe every day."
Jeff Moody
Owner, RBM Group Inc
Credentials & background
Licensed through CNRPP
Canadian National Radon Proficiency Program
313A Red Seal Mechanic
Refrigeration & Air Conditioning — Licensed 2006
Gas Fitter 1 through TSSA
Technical Standards and Safety Authority — 2012
Environmental Studies BA
Trent University — 2005
Former NRCan Energy Advisor
Natural Resources Canada — 2008–2011
HVAC Instructor — Humber Polytechnic
Teaching HVAC system repair, installation, maintenance
Insured · Family owned · Same-day response
Data-driven solutions
Solutions Based on What Your Data Actually Shows
ERV Systems
Controlled, filtered fresh air that can help reduce elevated CO₂, stabilize humidity, and support airtight or renovated homes.
Learn moreWhole-Home HEPA Filtration
Filtration designed to capture fine particles such as PM2.5, dust, and allergens while integrating with the home's existing system.
Learn moreHumidity Control
Humidification and dehumidification recommendations that support comfort, condensation control, and more stable indoor conditions.
Learn moreVOC & Chemical Screening
Real-time VOC tracking to identify chemical spikes and guide source reduction, ventilation, filtration, or humidity recommendations.
Learn moreIf your air is already within a healthy range, RBM will tell you. No unnecessary equipment, no forced upgrades, no "just in case" recommendations.
RBM also serves commercial buildings & facilitiesClient feedback
Real Clients. Real Confidence.
RBM group provided exceptional service from start to finish. They were friendly, timely, and truly listened to our needs as a young family with air quality/respiratory concerns. The entire process was smooth, and we've already noticed a positive change in our home's air. Highly recommended!
Ryan D.
Family & Indoor Air Quality
We were always wondering about the air quality in our building, Jeff came in and monitored some key areas for us which was very impactful for implementing Indoor Air Quality Strategies moving forward.
Ranga P.
Commercial Air Quality Monitoring
I would trust Jeff Moody and RBM Group to help me and my colleagues with anything to do with energy saving and building operations. I believe that nothing is environmentally sustainable unless it's also economically sustainable and that's where Jeff and his team focus.
Bruce F.
Energy & Building Operations
Mobile service area
Serving Uxbridge and Surrounding Ontario Communities
RBM Group provides mobile/on-site radon and indoor air quality services within approximately 200km of Uxbridge, Ontario.
Serving Uxbridge, Durham Region, the GTA, Kawartha Lakes, Peterborough, Port Hope, Mississauga, Newmarket, Oshawa, Toronto, and surrounding Ontario communities.
View all service areasMobile service provider
Based in Uxbridge, Ontario · Service area only · No fixed showroom
Free Healthy Home Assessment With a Radon Mitigation System
With the purchase of a radon mitigation system, RBM includes a Free Healthy Home Assessment covering the factors below at no additional charge.
Get a Free EstimateAssessment covers
Before you book
Common Questions Before You Book
If you have a question not answered here, contact RBM directly. Jeff responds same-day whenever possible.
More FAQsReady to start
Ready to Stop Guessing About Your Indoor Air?
Book a free estimate or call RBM Group today. You will get a practical next step, clear communication, and recommendations based on what your home actually needs.
Same-day response · No deposits required · Written recommendations