Basement heat loss / Guides

Basement wall insulation
Insulation and soundproofing

Properly insulating basements and concrete slab floors

...basement is a great idea if it wasn't insulated when built , as before we began insulating foundation walls and below slabs (see slab on grade) , it was generally estimated that basement heat loss accounted for about 1/3 of the total heat loss of a house. It is likely that such an abysmal starting place made the additi...

Balanced insulation levels in a green home
Efficient home design

Insulation in Green Home Building, a balanced approach to putting it where it does the most good

...heat movement and insulation is a bit like that. The cold hard facts about heat loss: Yes, a bit more heat is lost through the ceiling than the walls, but not nearly as much as much as you might think. The rate of heat loss from any surface of your home depends on the difference in temperature, and it just isn't ...

Radiant floor heat in a bathroom
Delivery: radiant, forced-air and decentralized

DIY radiant floor installation

...heat loss. Contrary to common beliefs, heat does not rise. Warm air rises, but heat goes everywhere. You need only pick up a hot coffee in a ceramic mug to answer this question for yourself. Does all the heat come out the top? Is it cold on the bottom? Absolutely not. Heat radiates from all sides, including the bottom....

How to insulate basements properly
Insulation and soundproofing

Best practices for basement insulation in new home construction

...heat. Thermal image of basement insulation and heat loss © Ecohome Exterior basement insulation is less common, probably due to the fact that it can be more expensive. And there are certainly less cases where insulation is installed on both sides. By insulating the exterior of basement walls w...

How radiant floors work
Delivery: radiant, forced-air and decentralized

How to design for thermal comfort in a home

...heat is lost as our feet conduct heat to a cold floor. To compensate for cold feet, people will often jack the thermostat up from the seemingly 'uncomfortable' room temperature of 20-21°C. Cold floors in an otherwise warm house are a result of insufficient insulation; that means a greater rate of heat loss and higher h...

Off grid, passively heated and cooled house in the Gatineau Hills, Que
Off-grid and Net-Zero Housing

Off grid living blog, part 2: passively heated, this house in Quebec aims for LEED certification

...heat, and install heavy duty insulation to keep that free heat. Further to that, the house is powered by solar panels, and heated by a woodstove and radiant floors warmed by a propane boiler. A double exterior wall system reduces heat loss to a fraction of what you would expect from most other new houses being built....

Yukon's first LEED certified home
LEED Homes

The Yukon's First LEED Certified Home

...heating bill of about $500 in one of the coldest parts of our country, heating costs are approximately 75% less than the average Yukon home. More statistics and features included in this home: Double stud walls with no thermal bridging Greywater heat recovery system Electric baseboard heaters (98% of Yukon el...

The passive solar home in Lac Kenogami, Quebec
Passive solar home design

Ecohome design wins House of the Year Award from Green Builder® Magazine

...heat. So can a house built to Net Zero Heat specs actually stay at 20°C all winter long by itself? No, it cannot. On cloudy days it could easily drop to 19, or even 18°C. When a building envelope reduces heat loss to the extent that this one does, even the smallest heat gain can have a measurable impact. If you sti...

Ecohome's Kenogami House 'The Most Resilient Home in North America'
Concept and design

Resilient design features for new home construction

...heaters: large stone masonry heaters are very expensive, but they are a very efficient way to heat with wood. While a wood stove provides heat primarily when burning, a fire in a masonry heater warms the mass of stone, which then releases heat over many hours or even days. Due to its thermal mass and greater extraction...

Basement Design for walls prevents mold & midlew when renovating & finishing
Healthy indoor air quality

Basement renovations: How to prevent mold when finishing basements

...heat consumption issues. If you're in an older home sat above a basement, don’t panic. What we write in these pages is meant to inspire ideas and solutions, not fear and anxiety. If you feel good, your basement smells good and your windows (and walls) aren’t dripping, relax! However, if your basement has a certain ...

Finished basements can lead to mold and mildew
Healthy indoor air quality

Why are basements moldy? How to fix or Prevent a Moldy Basement

...heat consumption issues. If you're in an older home sat above a basement, don’t panic. What we write in these pages is meant to inspire ideas and solutions, not fear and anxiety. If you feel good, your basement smells good and your windows (and walls) aren’t dripping, relax! However, if your basement has a certain ...