Efficient water heater / Guides

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

...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 'borrow' the effici...

Water efficiency
Plumbing and water heaters

How to save money on your hot water bills!

...water heater is filling up long before the hot water is draining. But with houses that will see a lot of showering, grey water recovery systems offer a good return on investment. Tankless water heaters Tankless water heaters © Ecohome Tankless or ‘on demand’ water heaters are small units that fit easily in ki...

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

Increased efficiency with heat pumps working in tandem

...efficient than a standard electric baseboard heater that offers you only a 1 to 1 ratio. The Voltex water heater from AO Smith is an air-to-water heat pump which extracts heat from the air to generate hot water, so in the winter that 3 to 1 heating ratio of the first heat pump is transferred to the water heater. And ...

Aeratron AE2 ceiling fan
Ventilation

Ceiling fans and air circulation- video

...water heater work together in boosting the efficiency, and the ceiling fan is a big part of making that happen. This video explains the relationship between those systems. Thanks to our sponsor Aeratron for providing super efficient and quiet ceiling fans that fit in nicely with the look of this LEED v4 Platinum certif...

Gas powered tankless water heaters
Plumbing and water heaters

Are tankless water heaters good?

...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 gas-fire...

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 ...

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...

What is a heat pump
Heat pumps, geothermal and AC

Heat pumps: what they are and how they work

...water hybrid electric heat pump hot water heater that borrows that efficiency and significantly cuts the energy required to meet our domestic hot water needs. Related topics to how well heat pumps work In LEED or Passive House homes : The benefits of coupling air source and water heater heat pumps Comparing gro...

Solar thermal collectors

All about solar thermal collectors

...water directly, the requirement of glycol as a heat transfer fluid and the problems that it brings with it are a big part of why you don’t see more such systems in Canada. For more on Solar Water Heaters, read about EcoHome's new concept home with a solar air heated radiant floor that delivers solar heated water in t...

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...

Sustainably built Prefabricated Tiny houses from FabCab
Tiny house

Tiny Houses: The FabCab prefabricated building WA

...water heater to be used with the radiant floor heating system. Healthy indoor air quality: Low VOC paints and finishes are used throughout the cabins. Water efficiency: Water efficient plumbing fixtures Optional cisterns can catch and store rainwater from the roof. Less commuting: In many cases, ADUs are placed...