Heat loss through windows / Guides

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...

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 fr...

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 radiat...

When should you replace windows
Windows and doors

When should you replace old windows?

...Windows, Replace or Repair? We often get asked if it is a good idea to replace old windows with new and better performing windows to save money. Usually to...

Wood frame Triple-glazed, argon-filled windows in the Ecohome Demo House
Windows and doors

Choosing windows - which window frame? wood v aluminum v vinyl

...heat loss on northern facing windows, but high quality southern facing windows can actually offer a net gain through passive solar heat collection. Passive sola...

How to choose Triple pane, high performance windows
Windows and doors

The best tips for buying windows

...windows which further determines how much heat comes in and how much goes out. Low E coatings on windows will reduce heat loss by reflecting infrared heat back ...

Correctly installed Triple pane south facing windows on Ecohome's Demo House
Windows and doors

Installing doors & windows for the best performance in high efficiency homes, LEED & Passive House

...windows: position windows towards the center of the rough opening rather than installing them flush to the outside. Windows that are installed at the exterior p...

The difference between air barriers and vapour barriers
Air and vapour barriers

The Difference between air barriers and vapour barriers

...through it, but air cannot pass through it. So if you were to have a home with no windows and no vapour barrier but simply a sealed gypsum board box all around,...

Icicles are an indication of heat loss, which can cause damage to insu
Wall assemblies - renovation

Winter troubleshooting - are you ready for the cold?

...windows. Before getting all gung-ho about replacing windows, a seasonal solution can be covering them with a thin sheet of plastic; that will prevent heat loss,...

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

Off grid and passively heated, this house in Low, Quebec is aiming for LEED certification

...heating and cooling - invest in really good windows, face as many of them south as you can to gain heat, and install heavy duty insulation to keep that free hea...

Passively-heated off-grid LEED Gold home
Off-grid and Net-Zero Housing

Off-grid living blog - energy modeling projections and real performance

...heat gain coming through all of the windows, to the tune of 4,306 kWh/year. Putting these figures together shows that over 31% of the total heating needed for t...

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