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 ...

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...

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....

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 unpleasant, rendering part of your home somewhat unusable at times. Wood, metal and concrete in exterior walls act as thermal bridges, conducting far more heat than...

Slab-on-grade construction technical guide
Slab on Grade

Slab-on-grade technical guide

...basement with much cheaper and better performing walls, though if you do need to build a basement to optimize sqft on your building plot, then learn best practice for insulating when building a new basement here , or if you have a basement and need to learn how to finish a basement & insulate correctly to avoid mold, s...

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....

Prefab frost-protected shallow foundation insulated form kit
Slab on Grade

Raft slabs - How to build Insulated Frost Protected shallow foundations (FPSF) on problem soils

...heated thermal mass inside the building envelope also provides heat security in the event of a power outage, by slowly releasing its heat over the course of days. Raft slabs can be heated with hydronic systems (liquid) or air-heated tubes as seen below . A better basement design: Traditional basements begin w...

Rendering of the Ecohome demonstration house
Efficient home design

Ecohome Demo House: High performance, affordable cost

...heat loss rather than complex and expensive heating systems and the utility bills that come with them. When a design team focuses on heat retention rather than heat generation, the net result can be a home that is cheaper to own and operate; not far into the future but right from day one. Added building costs are off...

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 ...

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...