Heat loss / Guides

Balanced insulation levels in a home
Efficient home design

Balanced insulation: 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...

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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...

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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...

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Basement wall insulation
Insulation and soundproofing

How much insulation does a basement need?

...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...

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Hydro towers
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...

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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...

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Mitsubishi Mr.Slim heat pump
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...

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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...

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

Radiant heat in a slab-on-grade floor - video

...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...

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Water efficiency
Plumbing and water heaters

All about hot water delivery

...heaters are fairly well insulated these days, and the heat lost from insulated pipes is really nothing to write home about. All that heat loss isn’t even a loss...

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

How to install windows for the best performance and durability

...heat flow is more dramatic. A thicker coloured line indicates a longer time taken for heat to move through it. Or in layman terms - more heat in your house...

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