water-efficient / Green Building & Sustainable Home Renovation Information & Advice

Drain water heat recovery: a homeowner's & pro's guide Drain water heat recovery (DWHR) is a passive energy-saving technology that captures heat from gray water before it disappears down the sewer. In a typical home, heating water is often the second largest energy expense after space heating. By using a heat exch...

Toilets usually account for about a third of the indoor water use in a home, so toilets that carry the EPA WaterSense® label are a great place to start looking. Then comes the choice of either single flush or dual flush- it's a bit of a toss up but in the end we chose to go with single flush models, because when human ...

The first thought of home lighting design should be the orientation of windows for quality of life, but also passive solar heat gain. Not only does the sun offer free heat, but free light as well. Natural and certain types of artificial lighting can reduce the symptoms of Seasonal Affective Disorder (S.A.D.). Studies s...

There are a lot of options to consider when shopping for appliances, designing home lighting, and heating your home. These pages outline some things you can do that will help reduce your consumption, and despite what is sometimes a higher sticker price, usually save you money. Efficient and effective home lighting desi...

There are many manufacturers of heat pump water heaters on the market, which, rather than heating water with an electric coil as a normal electric hot water tank does, employ an evaporator to extract heat from the air (either interior or exterior) and use it to make hot water. The byproduct of an air-to-water heat pump...

Home water consumption in Canada: On average, Canadians use over 300 litres of water per person, per day. Compare this to consumption in the UK of 200 litres per day, and 150 litres per person per day in France. Hopefully, as we see the beginnings of water shortages hit closer to home, this serious issue will garnish m...

Reducing energy consumption in homes Even when sitting idle, almost all TVs, computers and stereos etc., will still be using power. So any added cost for high efficiency appliances and electronics gets recouped however frequently or infrequently that they are used.   Whatever small appliance and electronic item you are...

Heat pump electric hot water heaters, good or bad idea? Water heaters are generally the biggest 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...

Those that live off of municipal water systems tend to be more aware of the journey their water takes before coming out of the tap. Without city water being fed into a home, there is no way to know the quality or taste that your water will offer, or what systems you will need to have in place to treat it.  Personally, ...

Should we consider adding a bidet? Although quite popular in Africa, Asia and Europe, the bidet has been slow to gain popularity in America.  Could it be that we are just creatures of habit? Does the idea of a jet of water blasting your nether regions seem a hard leap to make at first? Well, you’re probably not the on...

Tankless water heaters , on demand water heaters and  instantaneous water heaters are different names for the same thing - domestic hot water systems that do not include the storage tank that comes with traditional water heaters.  This type of water heating system can be advantageous in some climates, provided they use...