Basement heat loss / Guides

Crawl Spaces or Slab on Grade Foundations?
Crawl spaces

Should I Build on a Slab on Grade Foundation or a Crawl Space?

...heated slab floor here . What’s cheaper to build – a slab on grade or crawlspace? A slab is cheaper . A crawl space is like building a mini (and dysfunctional) basement, so you get most of the cost, all the durability issues and potential hassles of a basement, PLUS a sore back and bruises on your head if you try t...

Insulating crawlspaces as part of home renovation
Crawl spaces

How to insulate crawlspaces properly as part of renovating an older home

...basement, a great alternative is to build a slab-on-grade . Important note: The following crawlspace solutions are recommendations for how to deal with moisture and heat loss only, and provide only an anecdotal overview of how to deal with radon gas . We would recommend having your air tested for radon, and if it is ...

Lifestyle and environment

Resources and getting started

...heat loss; install electronic thermostats to reduce heat consumption, and use zero VOC paints. You can also install LED or compact fluorescent bulbs , caulk and foam any gaps, and cover your windows with plastic in winter. These upgrades don’t necessarily have to cost you a lot, you could also consider talking to the...

Kitchen and Bathroom design tips

Design ideas for durable kitchens and bathrooms

...heat by venting directly into your basement. Humid air requires a lot more energy to heat, so despite how it might appear, you really won't save energy. Water efficient fixtures: Leaky faucet By using approximately 350 litres of water per person, per day, in a world where a billion people survive on 5 litre...

Roxul mineral wool batt insulation in LEED Homes
Insulation and soundproofing

Choosing the right insulation: the pros, cons and applications for walls, slabs & basements

...heat loss. It’s also an excellent choice for insulation packed into walls because it allows little air infiltration and it’s fire and insect resistant. R value: 3.66 per inch Notes : All around this is the best choice for performance and environmental impact, but not recommended for basements due to its sen...

Problem areas of air leakage in a home and blower door test being cond
Air and vapour barriers

Airtight Construction of Homes is Essential: "Your house sucks." "Oh yeah? your house blows!"

...heating costs. The issue isn't about durability but rather comfort and cost due to heat and energy loss. Positive air pressure in a home in summer will force cool air out and have those same impacts on your comfort or your cooling cost. Positive air pressure in houses in winter is the biggest problem . The differen...

Step by step guide for slab-on-grade home construction
Slab on Grade

Slab-on-grade construction: the ecoHOME A to Z Slab building guide

...heat loss through basement floors, and cost homeowners a lot of money. Regional building codes will demand in the range of R5 to R7.5, but doubling that will pay for itself in as little as 2 years. We recommend a minimum of R15 in most cold climates, more if you are including radiant heat within your slab on grade foun...

Real estate

Evaluating a home before purchase: how to recognize value and potential problems

...heat loss: Icicles sure are pretty, but they are a clear sign of problems somewhere within the roof assembly. Icicles can be caused by either air leakage from the interior or insufficient or poorly installed insulation. Buying a house in summer won't tell you much on this front, but ask the owners. Does the ground sl...

Free Energy Audits, Net Zero Home Grants & Interest Free Home Renovation Loans
Grants and incentives

0% loans & Grants for Green Home Renovations & Construction - A Boost for Canadians in 2020

...basement wall And probably the worst mistakes in building we ever see, and which still happens in new construction as well as renovations, is basements being built wrong. Like....REALLY wrong! Before you allow a contractor to do basement renovations in a way that only makes sense if you are starting a mushroom farm, ...

Radon Mitigation - Installing a radon evacuation stack in a slab floor
Radon in Homes - Mitigation

Mitigating radon gas in homes

...basements & crawlspaces: Removing radon from basements & crawlspaces is easier if prevented rather than cured, and existing homes that are found to have high levels of Radon should look at mitigation asap. Depending on the state of your basement and or crawlspace, there will be varying degrees of difficulty in mitiga...

Choosing a building envelope
Wall assemblies - new construction

Choosing a building envelope - starting with the perfect wall

...heat loss and moisture damage caused by condensation in walls. A thermal control layer, or insulation: To slow the movement of heat from inside to out in cold months. This is your insulation. It also helps keep heat out of the interior in summer. A vapour control layer, or vapor barrier : Although commonly know...