Home heat loss / Guides

Basement wall insulation
Insulation and soundproofing

Properly insulating basements and concrete slab floors

...heat loss through your foundation walls, as heat moves more easily through some materials than others. Heat will be drawn from your home much quicker through ...

Skylights can be problematic in a high performance home
Windows and doors

Are skylights an asset or a liability?

...home there will be an increased rate of heat loss in winter. But the problem doesn't end there - when you get warm and humid air collecting by a cold surface (g...

Concrete floors and timber frame as thermal mass
Efficient home design

The pros and cons of thermal mass in buildings

...heat up again as the thermal mass in the home slowly recharges with heat. If you have timers or control your heating system with your smart phone (yes this is...

heat pumps in tandem with heat pump hot water tanks
Hot water

Increased efficiency with heat pumps working in tandem

...heat loss, but they also reduce heat gain. By sacrificing that 30% of the insulation value on the south side, we were able to increase the amount of passive hea...

Thermal image showing where home heat loss is occurring.
Insulation and soundproofing

How insulation works

...heating and cooling, and in some respects, how durable it will be. The transfer of heat (or heat loss) occurs in 3 ways: conduction , convection and radiation...

PSI

Case Study: Kenogami House, Saguenay, Quebec

...Home of the Year Awards from Green Builder Media® This is a passively heated 1,950 net square feet, 3 bedroom home rated at 15 kWh per square meter per year t...

Correct window installation details
Windows and doors

How to install windows

...heat gain and reduce energy demand during operation. Choosing higher quality windows on all sides of your home will mean reduced heat loss over a poorer quality...

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 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 an...

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 answ...

Electric Heaters - is heating with electric an eco-friendly option?
Heating with electricity

Heating with electricity

...heat, but energy is also required to distribute that heat throughout your home. Heat loss can occur through ducts in spaces that you don't intend to heat, furth...

Energy modeling simulation of heat loss through thermal bridging
Efficient home design

What is a thermal bridge and why is it so important to break it?

...home, run your hand along your walls on a really cold day and they will find you. This isn't only an issue of heat loss and the higher bills that come with it...