Radon / Guides

Slab on grade or a foundation and basement?
Foundation choices

Slab-on-grade vs foundation and crawlspace or basement

...Radon & install Mitigation if called for - because it's better to be safe than sorry Build using the best practices for mold free basements as oulined here Ventilate using a HRV or ERV , because let's face it - fresh air improves any Man Cave! How to choose between an ERV & HRV system for basement ventilation & M...

Basement wall insulation
Insulation and soundproofing

Properly insulating basements and concrete slab floors

...radon gas prevention and mitigation . Technical edit and thermal images by Denis Boyer

Renovate, Remodel or Rebuild? How to choose which is Best for Homes
Wall assemblies - renovation

Should I be renovating my home or tearing it down & rebuilding?

...Radon protection as well as radiant floor heating can be done at this time also. If the floor joists are in reasonable condition and you want to keep using the crawlspace for storage and mechanical systems, see our page on how to insulate crawlspaces . Repairing foundations & insulating from the exterior when ren...

Built to ENDURE: the Net Zero Heat Kenogami House
Efficient home design

The Kenogami House: designed to ENDURE

...Radon venting Merv 11 air filters Formaldehyde-free cabinetry Co² detectors No PVC Coal and UV water filtration Automated moisture control Automated ventilation of hydrogen emissions from PV system batteries Durable: A more sustainable and durable building will last longer, s...

The LEED rating system
LEED Homes

The LEED rating system

...radon gas, mold, pet dander, and dust. These can cause a variety of adverse health effects including allergies, asthma and respiratory illnesses. LEED rewards builders for taking steps to reduce or eliminate many of these pollutants. Air quality is improved through design features, material choices, moisture control ...

Smart homes: Remotely control and monitor your energy consumption
Efficient home design

Smart homes: efficiency, comfort & convenience at our fingertips

...radon gas alerts, smoke, problems in systems or heaters, etc. Three types of smart thermostats we like: 1. Nest: With simple inputs based on your comfort habits, this smart thermostat learns from your behaviour and automatically adapts and programs itself in a few days. It only takes a very short time for it to l...

Condensation on windows leads to mold & mildew in homes, ERV & HRV systems help
Ventilation

Ventilation & air exchangers

Homes built in the last 40 years in Canada are relatively airtight . Before that we generally relied on leaky uninsulated walls to provide fresh air and prevent mold and mildew, and they did that very well. Cost and comfort had us adding insulation, but not necessarily sealing our walls. The folly of this was quickl...

Condensation on windows in our homes - why is it there? - how to stop it?
Walls and Roofs

Condensation on windows is a pain but is it a problem & how to stop it?

...radon gas in crawlspaces see here . To learn how to build a home on a slab-on-grade foundation which is our preferred option, see here. Those pre-Christmas home renovations – People often want to freshen up their homes in preparation for the holiday season, but if painting large areas of wall then all that has to dry...

Canada's first LEED V4 Platinum certified home - The Edelweiss House
LEED Homes

Canada's first LEED V4 Platinum house - An EcoHome project checklist

...radon barrier Formaldehyde-free Kitchen Cabinets Split system air to air heat pump installation Air-to-water hybrid electric heat pump hot water heater High performance HRV ventilation system High efficiency ceiling fans for air circulation Triple-glazed argon filled wooden framed passive house standard win...