Radon mitigation systems, engineered for your home

Both are active soil depressurization: a fan draws soil gas out from under the foundation and vents it outdoors. The difference is where the suction pipe connects. A sump pit system uses the existing sump basin, which works well when the sump connects to open, continuous drainage tile. A sub-slab system cores a new hole through the basement floor and removes reachable material beneath it. The diagnostics decide which one your home needs.

No. It is impossible to seal radon out, and case studies show levels rising again within a few months of sealing alone. Concrete has either cracked already or eventually will. Sealing is still an important step in a mitigation, because it stops conditioned air being pulled from the house down through the cracks and out the vent, which makes the installed system more efficient. It is a supporting measure, not the fix.

An air exchanger dilutes radon by roughly 20 to 50 percent, which is useful trimming when a level is hovering near the action limit. It is not the answer when levels are significantly above it. We recommend HRV systems as an addition to a sub-slab system for general air quality, not as a replacement for one.

In an accessible crawl space we lay polyethylene sheeting to create a barrier between the dirt floor and the living space, then a perforated pipe draws on the area beneath the sheet and vents out through the side of the house. Whether a crawl space needs treating at all is decided by a test rather than assumed, and where it does it is a second phase of work.

A typical residential radon mitigation system in this area runs about $3,200 to $4,000. The number depends on the house rather than a price list: how the foundation is built, how well air moves under the slab, where the pipe can be routed and what fan the diagnostics call for. The site inspection produces a firm written price for your specific home before any work is booked.

Because it is a real assessment by a C-NRPP certified professional rather than a sales visit. You get a paid, educational walkthrough of your home, an explanation of your options, and a firm written price for the work. If you go ahead with the mitigation, the inspection fee is credited back in full against the job, so it ends up costing you nothing.

No. Most people come to us with a result already in hand and that is the most direct route, but you do not have to wait for one. Plenty of homeowners mitigate because a neighbour tested high, or simply because they want the protection in place. Because our guarantee is an absolute number rather than a percentage reduction, it still means something without a "before" reading: the post-install test shows exactly where your home has landed.

A typical residential system is installed in a single day. More complex homes, a stone or rubble foundation, multiple slab areas or a crawl space that needs its own treatment, can run longer, and the site inspection tells you which one yours is before you commit.

Almost none, and that is deliberate. The system is designed so you can forget about it: there is nothing to service, nothing to empty and nothing to schedule. The fan is the only component with a service life, which is why we specify a good quality one rather than the cheapest that meets spec. If one ever does fail it is a straightforward replacement. We suggest retesting every couple of years or after major renovations, simply because that is good practice.

Health Canada reports that active sub-slab depressurization reduces radon by more than 80 percent in most homes. In practice we see reductions of 90 to 97 percent on many installs. Rather than quote a percentage, we guarantee an absolute number: below 75 Bq/m3, well under the 200 Bq/m3 at which Health Canada recommends action, or as low as reasonably achievable (ALARA) where a building restriction physically prevents reaching 75.