Water efficiency / Guides

Geothermal Heating Systems
Heat pumps, geothermal and AC

Geothermal heating for Homes in North America - Does it work & will it save money?

...water pumped directly from a supply well (75 to 100 feet deep) in order to draw and inject heat. Water is pumped out of the first well, and after the heat exchange is carried out, it gets injected into the second well. Geothermal open loop system © Alexandre Gilbert Open-loop systems have a very high thermal ef...

LEED Homes

The 19 LEED for Homes Prerequisites

...water runoff with silt fencing or comparable measures. Protect on-site storm sewer inlets, streams and lakes with straw bales, silt fencing, silt sacks, rock filters, or comparable measures. Provide swales to divert surface water from hillsides. If soils in sloped areas are disturbed during construction use tiers...

ProductiveHouse in Montreal
Choosing where to live

Green living in the city

...water and air pollution, climate change and deforestation. In some parts of the U.S. irrigation has caused such a drop in water levels that some hydroelectric dams have ceased to be productive, increasing production of non-renewable power sources. For the serious carnivores out there that can't bear the thought of ...

Real estate

Are you selling a house? Here are the top 10 things homebuyers look for

...water consumption). Improve the overall energy efficiency of the dwelling : No one wants to buy someone else's energy pig, so investing in durable energy-efficient upgrades is wise. Don't just start jamming insulation into every crack and corner for show, be sure it's done properly. Read about easy home upgrades for ...

The LEED rating system
LEED Homes

The LEED rating system

...Water Efficiency (15 points) The goal of this category is to reduce the overall consumption of water inside the home and out. Points are earned for water conscious home design including efficient appliances, fixtures and fittings; and reducing outdoor irrigation needs through rain water collection and water recycling...

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

Installing doors & windows for the best performance in high efficiency homes, LEED & Passive House

...Water Leaks from Windows & Doors One thing is certain, water only runs downhill - unless that is it has a reason to do otherwise. When installing windows and doors the first basic rule is to "think like water" - ensure that all openings are flashed and taped appropriately and to code so that water that wants to run d...

Kitchen and Bathroom design tips

Design ideas for durable kitchens and bathrooms

...Water efficient fixtures: Leaky faucet By using approximately 350 litres of water per person, per day, in a world where a billion people survive on 5 litres per day, Canadians have earned the dubious distinction of being the highest per capita consumers of water on the planet. For that reason, the fixtures and ...

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

...efficiency and cost effectiveness, by investing in insulation instead of heat generation. Energy efficiency: When you rely on an array of solar panels to power your home there is an even stronger motivation to design for reduced consumption. Energy efficient appliances and low-flow faucets reduce hot water requirem...

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?

...efficiency variable capacity air-to-air source heat pump manufactured by Mitsubishi™ with a direct expansion coil air handling unit (AHU) and a multi-speed fan to supply warm and cold air for space heating and cooling. House B Heated with a 13.3 kW high efficiency ground source heat pump manufactured by WaterFurnac...

Green homes climate change
Lifestyle and environment

Green buildings are better situated to handle climate extremes

...water conversation in arid climates and water-sensitive regions. Demonstrating how consideration of climate resilience in buildings can increase the likelihood of achieving performance goals throughout the lifetime of a project. The National Leadership Speaker Series on Resiliency and National Security in the 21s...


Case Study: Kenogami House, Saguenay, Quebec

...water heat pump to extract heat from the air where it can be deposited into a domestic hot water tank. From there it can serve domestic hot water needs, or be transferred to the radiant concrete floor as thermal storage to balance temperatures between day and night.