Energy efficiency / Guides

Hemp insulation products for USA & Canada rolling off the production line
Insulation and soundproofing

Hemp insulation in Canada & USA - insulating naturally is an Eco-friendly alternative

...energy-efficiency coordinator for Ecohome. For those wishing to reduce their impact during construction and renovations, it’s worthwhile to consider the embodied energy of products and remember that polyurethane requires an input of 14 times more energy to achieve the same thermal performance as hemp. And at the end ...

The birthplace of Passive House solar home design The Saskatchewan Conservation
Passive solar home design

Saskatchewan: The birthplace of Passive House and passive solar home design

...Energy Efficiency, with Germany on the Top. What's more, this dismal report showed the U.S. outperformed only three of the world's largest economies on energy efficiency—Russia, Brazil and Mexico. North America please "Get" Passive House ASAP Holding back any meaningful change are those spreading the myth that th...

Off-grid leed home
Off-grid and Net-Zero Housing

Off-grid living blog post 5: appliances, mechanical and other systems

...efficiency of all of the electronics used in our homes. The normal, high-efficiency, often ENERGY STAR approved appliances and other electronics of today use just a fraction of the power of their predecessors. Put all of these trends together, and it is now possible to use all off-the-shelf products from standard s...

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

...energy. Water conservation and material selection strategies are also commendable . Project Performance: Energy intensity 26 KWh/m2/year. All energy required on an annual basis is supplied by a 25KW photovoltaic array Potable water consumption from municipal sources 76.7L/occupant/day Potable water consumption ...

Passive House design Vancouver
Passive House

The city of Vancouver is actively promoting Passive House construction

...energy for multifamily projects pursuing PH certification. After the most recent update, the city's building code now recognizes PHPP software (passive house planning package) for energy modelling, meaning builders are no longer required to do a HOT2000 or ASHRAE 90.1 compliant model in addition to the PHPP modelling...

Comparing ground source and air source heat pumps
Heating and cooling

Heat Pumps: Ground source geothermal GSHP or air source ASHP, which one is best for heating a home?

...energy efficiency and renewable energy research. Ecohome will summarize and deliver this valuable information to our readers. Quite often there is a chasm separating those conducting research from those in the field who would greatly benefit from the research conclusions and we are hoping to bridge that gap. This fir...

Heat pump hot water heaters, why they're a good idea
Plumbing and water heaters

How heat pump hot water heaters work and why you should get one

...energy drain in a home after heating . so Air-to-water heat pump water heaters are potentially a big energy saver, particularly when the main heat source in a home is an air source heat pump, as the water heater can in effect 'borrow' the efficiency of that heat pump, which on average is about 3 times more efficient th...

Basement wall insulation
Insulation and soundproofing

Properly insulating basements and concrete slab floors

...energy efficiency. The rate of 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-grade walls than those below. Therefore, with one wall and two rates of heat transfer, this leaves the dilemma of insulating m...

Wildfire Smoke & How to Keep it Outside Homes
Healthy indoor air quality

How to keep wildfire smoke out of Green Homes with mechanical ventilation systems?

...energy efficiency; indoor air leaks waste cooling power during summer and heating power during winter - which is why using HRV and ERV systems is recommended to reduce energy loss whilst ventilating homes. When there are wildfires in the area though causing a smoky atmosphere, an airtight envelope also helps prevent th...

How to Build With Less Wood for Best Performance
Wood and organic materials

How to build high performance homes with less lumber

...energy efficiency The best lumber choices for timber frame construction homes Are high efficiency homes worth the extra cost? What are the best walls? Building science made easy - video Why to choose FSC certified lumber and paper products Find more about green home construction and reap t...

LEED Canada on the rise
LEED Homes

LEED Canada shows strong growth during summer of 2015 including first LEED® v4 certified project

...efficiency and renewable energy targets, but also engage manufacturers to reduce the environmental footprint of building materials and products.“ Among the most notable projects in this period, the first 12 Canadian projects have now registered under the LEED v4 version of the rating system, and Ecohome’s Edelweiss p...