Water efficiency / Guides

Reduce water consumption with residential gray water recycling systems
Plumbing and water heaters

Gray water recycling

...water? Or indeed grey water! The term “gray water” refers to all domestic waste water that is drained from sinks, showers, bathtubs and washing machines. Whil...

Real estate

Real estate

...water and sewers (this is more relevant for building lots) Green space: being close to parks and waterways Soil conditions and topography to avoid flooding ...

Electric Heaters - is heating with electric an eco-friendly option?
Heating with electricity

Heating with electricity

...efficiency of electric heat varies significantly by location and the local source of electric production. Heating with electricity from renewable resources li...

Skylights can be problematic in a high performance home
Windows and doors

Are skylights an asset or a liability?

...water to back up and possibly get past shingles and metal flashings. Skylights and energy efficiency: Any way you slice it, the deck is stacked against skyl...

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 excha...

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

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

...Water heating We use propane to do our domestic hot water heating, with an indirect water heater powered by our propane boiler (see post about our heating sys...

Efficient green home design choices
Concept and design

Efficient home design, or how to design a home to use less energy

...efficiency, insulation and orientation: An efficient and resilient home is one that uses minimal energy to heat, light and run appliances. The biggest draw is...

LEED Platinum Prefab Home Kits
LEED Homes

LEED Platinum Pre-fab Homes

...water heat exchange system as principal heat source Energy usage monitoring system Rainwater harvesting system Carbonized bamboo floors Custom open bamb...


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 t...

Wood frame Triple-glazed, argon-filled windows in the Ecohome Demo House
Windows and doors

Choosing windows - which window frame? wood v aluminum v vinyl

...water leakage at the joints in the corners. Vinyl / PVC (polyvinyl chloride) Windows: Pros: Resistant to moisture, insects, corrosion; reasonably good i...

Radon Mitigation - Installing a radon evacuation stack in a slab floor
Radon in Homes - Mitigation

Mitigating radon gas in homes

...water? Yes, unfortunately radon is water-soluble and can enter homes that rely on well water, particularly as water is aerated by showers and sinks. Links to ...