Green technology / Guides

Solar thermal collectors

All about solar thermal collectors

...technology and cost has remained fairly stagnant over the same period. They’re still good, the problem is that the competition keeps getting better (a prime example of that is Tesla now offers solar panels to rent , making PV solar systems far more accessible to homeowners). The premise behind this philosophy is that...

Decentralized Energy Generation for LEED, Passive House & Green Homes
Renewable energy

Which is the Best Type of Home Energy Generation for Green Homes?

...green dollars. To save money and lower your carbon footprint, the first step where possible is to invest in choosing the best insulation , improve air sealing in your home and installing energy recovery ventilation rather than paying for your own personal power generation, so you conserve the energy you have already ...

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

Off-grid living blog part 6 - energy modeling projections and real performance

...green building techniques here : Off Grid and Zero Energy Homes Future-proof building techniques for a changing climate The "Damn-Near" Passive House project Resilient design features for new home construction Off Grid wood pellet stoves that need no electricity Find more about green...

Prefab & Modular Construction is Booming for Sustainable Homes
Planning and Design

Prefab & Modular Construction poised for dramatic growth in 2020

Following on from our predictions for green construction in 2020 , Dodge Data & Analytics just released the findings of a landmark study on prefab and modular construction . The Prefabrication and Modular Construction 2020 SmartMarket Report (download below) was published with the support of Bradley Corp., the Modular...

Heating an off-grid home
Off-grid and Net-Zero Housing

OFF GRID LIVING BLOG, PART 4: Off-grid heating systems - lessons learned from our off grid home

...technology - a direct vent propane wall heater. These have been used for many years in garages, workshops, cabins in the woods, as well as in quite a number of off grid homes. If I had done more research about off-grid heating, or if I had received better advice, I may have decided to handle all of our heating needs ...

Net Zero Energy Homes Pilot Project Canada
Off-grid and Net-Zero Housing

Natural Resources Canada launches net zero energy pilot project

...technology, the pilot is also aimed at advancing the commoditization of building net zero energy homes in Canada. With the draft 2014 R-2000 Standard and the next generation EnerGuide Rating System (ERS) as the basis, NRCan will examine the best means for seamlessly incorporating the net zero energy offering into its s...

Efficient home design

Phase change building materials - natural heat storage in buildings

...technology currently on the market and it's impossible to vouch for its effectiveness, it's a promising concept that can and should be experimented with. Wax for example, can very effectively be used as a phase change thermal battery . The very idea of keeping a building at room temperature no matter the season, is s...

High efficiency wood stoves
Wood stove and biomass heat

Heating with wood and biomass fuel

...technology have been so dramatic that burning wood or biomass fuel for heat can be an ecologically responsible choice , which wasn't always the case. According to the EPA (U.S Environmental Protection Agency) a new and efficient wood stove can release as little as 2 grams of air borne particles per hour, whereas olde...

Passive home designer Harold Orr, one of the original high performance homes
Passive solar home design

The principal designer of the house that inspired the global Passivhaus movement reflects on the project that started it all.

While developing pages on passive heating and cooling for Ecohome, and writing about Passive House, we were in contact with Harold Orr, a world-renowned environmental engineer, pioneer of the very concept of 'green building'. and who was recently awarded the Order of Canada for his pioneering contribution to energy-ef...

Passive House certification - PHI or PHIUS? The Spring House Passive House
Passive House

Everything you need to know about Passive House certification

...Green Building Guides , on North America's favorite green building website - EcoHome.net... Videos: For Videos about Passive House construction techniques, LEED platinum certified homes etc, see the EcoHome YouTube channel here Sources: « Climate-Specific Passive Building Standards », Graham S. Wright and Kat...

How to Choose between an HRV and ERV system
HRV and ERV

Choosing between an HRV and an ERV

...technology will be developed, but no such commercially available system exists yet. Therefore, our best option at present is to err on the side of safety, and provide a minimum fresh outdoor air supply at all times. Most building codes rely on the *ASHRAE standard 62.2 (or some variation of it) to establish ventilati...