Heat loss / Guides

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?

...heat loss and the higher bills that come with it, it is about comfort and quality of life. On really cold days it can make being too close to walls quite unplea...

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...

Exterior air barrier membrane © Ecohome
Air and vapour barriers

How to install an air barrier for reduced air leakage

...heat loss of a home and cause significant moisture damage in walls, as one small hole can be responsible for depositing countless litres of water inside walls. ...

Basement wall insulation
Insulation and soundproofing

Properly insulating basements and concrete slab floors

...heat loss through foundation walls also varies between below-grade and the parts above. Over a heating season, there will be much more heat loss through above-g...

Exterior damp proofing and drainage mat to protect basements from wate
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 fa...

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

Are skylights an asset or a liability?

...heat on sunny days in winter (with the right orientation and angle), but the heat they lose when the sun is down will far outweigh any heat they gain. The rea...

Concrete floors and timber frame as thermal mass
Efficient home design

The pros and cons of thermal mass in buildings

...Heating during off-peak hours: If you rely on radiant heat from thermal mass such as heated concrete floors, this can make heating with electricity a more reali...

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...

R values and insulation performance
Efficient home design

Understanding thermal performance

...heat gain from a warm surface, such as a roof. The optimal balance of preventing heat loss and allowing heat gains will depend largely on climate, assembly arra...

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...

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...