Efficient hot water / Guides

Water efficiency
Plumbing and water heaters

How to save money on your hot water bills!

...hot water feeds. Insulating your hot water pipes prevents heat loss, but also means less time you will need to wait for the hot water to arrive. While you’re at it, don’t forget to do your cold pipes as well to avoid water damage from condensation . Solar water heaters solar hot water heater diagram image via b...

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

...efficient than most other heat sources. See here for an article on how heat pumps work . An air-to-water heat pump water heater uses the air in the house to generate hot water, so the more efficient the air heating system is, the more efficient the hot water heater will be. That's why you get the most out of it when ...

heat pumps in tandem with heat pump hot water tanks
Heat pumps, geothermal and AC

Increased efficiency with heat pumps working in tandem

...efficient it becomes. In summer it acts as an air conditioner while it extracts heat from the air to generate hot water, in a way giving you 'free' hot water, since rather than ejecting heat from your home as most air conditioners do it is retained in the form of domestic hot water. Since 2/3rds of the bulk energy co...

Exterior compresssor heat pump water heater
Plumbing and water heaters

Heat pump water heater with exterior compressor

...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 after it extracts heat is cold air, so ...

Gas powered tankless water heaters
Plumbing and water heaters

Are tankless water heaters good?

...water running); possibility of the water not being very hot when the flow is reduced (e.g., when using only a trickle of water for shaving purposes); possible need to modify certain habits (e.g., the habit of using hot water at one same time from several faucets; the habit of adding cold water to hot water when sho...

Water efficient bathroom fixtures
Plumbing and water heaters

Plumbing & water

...hot water, we watch a lot of water go by for no reason. Taking shorter showers and smaller baths, limiting flushing, and washing your hands with cold instead of waiting for hot are some pretty simple ways that can significantly reduce your consumption. Water plants with the water from dehumidifiers or leftover wate...

Reducing the need for air conditioning
Heating and cooling

How to keep homes cool without air conditioning

...water heaters help cool a home as they extract heat from the air to generate hot water . Rather than shooting hot air at your neighbours house, a heat pump water heater converts heat in the air into hot water, and the result is that it expels cool air. We think this is a very cool idea (no pun intended) for cooling a h...

Kitchen and Bathroom design tips
Kitchens

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 ...

Are low-flow shower heads worth the money?
Bathrooms

Are low-flow shower heads worth the money?

...water heat recovery Drain water heat recovery: Before entering your water heater, the cold water feed goes through thin copper pipes wrapped around the drain. Heat from the draining water therefore warms the incoming water before it enters the water heater. This is another big money and energy saver worth the inves...

The Best 10 Energy Saving Tips for Green Homes - EcoHome
Wall assemblies - renovation

Green home improvements: an energy-saving pyramid scheme that actually works!

...water heat recovery: One of the most overlooked ways energy leaves a home is from hot water going down the drain, taking your money with it. The concept of grey water heat recovery is to reclaim that heat before it leaves your house. It simply involves your cold water feed taking a short detour before entering your wat...

Hydraloop gray water recovery and treatment systems
Greywater Recycling

At last, a compact & easy to maintain solution for gray water recycling & treatment - the Hydraloop

...water savings when recycling gray water with a Hydraloop system What can recycled gray water be used for? First, we should distinguish what graywater or grey water is. Graywater refers to waste water from showers, bathroom sinks and laundry, but not kitchen sinks or toilets. That’s known as "black" water and ther...