Efficiency / Guides

Passive House on a Budget - The Damn Near Passive house
Passive House

The Un-certified but 'Damn Near' Passive House.

...efficiency if proven to be cost efficient. Assemble a team of highly skilled journeyman trades craftsmen and women that appreciate the value of doing it right and want to participate. Work with suppliers in achieving our budget while maximizing awareness of how we selected their products in regards to merit and cos...

R values and insulation performance
Efficient home design

Understanding thermal performance

...efficiency are addressed, it will become more important to consider the finer points of insulation product and assembly performance as these considerations can impact the energy performance of buildings. Lorne Ricketts is a Building Science Engineer [EIT] with RDH Building Engineering Ltd. and has significant exper...

Keyhole Garden
Landscaping

The Keyhole Garden: An Introduction

...efficiency of the keyhole garden is also supported by their natural resistance to drought, as moisture is delivered alongside nutrients as the organic matter layered into the bed breaks down. All of this also amounts to less time being needed to maintain the garden throughout the growing season. Mix a keyhole garden wi...

Midori Uchi
Efficient home design

A new contender for the title of Canada's Greenest Home

...efficiency, indoor air tightness quality, and environmental responsibility in home construction. The Midori Uchi will be a show home for showcasing green home design for approximately one year. Some notable design features of the Midori Uchi: Rammed earth walls (first time in a single family residence in the Lowe...

Mineral wool insulation in roof by Rockwool - LEED Platinum V4
Roof assemblies - new construction

Mineral wool insulation in roofs by Rockwool

...efficiency of LEED Platinum V4 because of the extensive use of mineral wool insulation, a slew of recycled materials and excellent interior air quality, we'd like to think the Edelweiss House by EcoHome is a firm contender. It was after all the first home in Canada to be awarder the Leed Platinum v4 rating, and only th...

Are low-flow shower heads worth the money?
Bathrooms

Are low-flow shower heads worth the money?

...efficiency in one package looks like. Drain water heat recovery Drain water heat recovery: Before entering your water heater, the cold water feed goes through thin copper pipes wrapped around the drain. Heat from the draining water therefore warms the incoming water before it enters the water heater. This is an...

Net Zero Energy Home ZNE in Edmonton Alberta
Off-grid and Net-Zero Housing

Award winning Net Zero Energy house in Edmonton Alberta Leads the Way

...efficiency wood burning fireplace. All recyclable materials were hand sorted and brought to a recycling depot. New high performance building materials : Fibreglass-framed windows All MDF (medium density fiberboard) materials in the home are formaldehyde-free Low-VOC paints FSC Certified engineered hardwood ...

Concrete floors and timber frame as thermal mass
Efficient home design

The pros and cons of thermal mass in buildings

...efficiency standards of today, so maintaining a lower constant temperature during the day did in fact save a lot of energy, and for the following reason: The rate of heat loss increases as the temperature differential between two environments increases, and it does so in something of a bell curve. This applies to som...

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

DIY radiant floor installation

...efficiency. Heating a floor increases the temperature differential between the concrete and the ground below it, which increases the rate of 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 ...

Solar panel reflectors
Solar photovoltaic

Using reflectors to increase the yield of solar panels

...efficiency of the photovoltaic cells; the goal being to increase the watts produced per panel. Joshua M. Pearce, professor of engineering at Michigan Technology University, recently published an article in Green Building Advisor that demonstrates the results of his research on this. Working in conjunction with a study ...

DIY Bidet Installation Video - Save on Water & Paper
Bathrooms

DIY Bidet installation video

...efficiency of bidets , learn more about home water efficiency and conservation of natural resources in the Ecohome Green Building Guide pages . DIY Home Bidet kits - compare online here Water efficient toilets that work well Are low-flow shower heads worth it? Tips for reducing hot water consump...