Hot water tank / Guides

Water efficiency
Plumbing and water heaters

How to save money on your hot water bills!

...water heat recovery Grey water heat recovery drain pipe © Ecohome Grey water heat recovery is a system that runs your hot water intake through thin copper pipes wrapped around your shower drain, so the water feeding your hot water tank is preheated by the hot water going down the drain. The model shown above wi...

Gas powered tankless water heaters
Plumbing and water heaters

Are tankless water heaters good?

...water; factory-installed heat traps that allow water to flow into the tank but present unwanted flow of hot water out of the tank. Some advantages of tankless water heaters: Since tankless water heaters do not include a tank, they heat water only when a faucet is opened. In their most rudimentary form, tankless...

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 ...

Hydronic heating system
Delivery: radiant, forced-air and decentralized

Hydronic heating

...Tankless (on demand) water heaters Combination hot water tank and boiler Combination solar water heater and boiler Geothermal heat pumps Hydronic radiators and baseboard heaters will transfer heat in the same way as electric resistant heat sources. So for comparison shopping, efficiency of heat generation isn...

Solar thermal collectors

Product of the month: Solar water heater with overheating protection

...hot water you consume. Keep in mind that the cheapest way to ensuring a solar collector provides a high percentage of your water heating is to reduce demand – it will cost you much less to install low-flow shower heads and fixtures than it will to buy an extra panel to meet all your hot water needs. Solar installat...

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...

Ecodrain greywater heat recovery unit
Greywater Heat Recovery

A new design in greywater heat recovery

...water heat recovery devices, as their name suggests, are used to recover heat from drain water before it is discharged from homes. In order to work they require water tanks to be filling while hot water is draining, so the functional use of these units is pretty well limited to the shower, with a bath your water tank i...

Solar panels power the Kenogami House in Saguenay, Quebec
Off-grid and Net-Zero Housing

The Kenogami House: Energy systems in Net Zero Energy Home Design

...water heat pump. The air to water heat pump extracts heat from ambient air inside the home and transfers it to the hot water tank, offering efficient air conditioning in summer. As for heat storage, a thermal battery such as this can store 10 times more energy compared to an equal volume of water. It is anticipated t...

PSI

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.

Solar Radiant Heated Floor Slab Kit
Delivery: radiant, forced-air and decentralized

Solar heated radiant floor with radiant heated hot water for a site with problem soil - expansive clay

...water heat exchanger for heating the hot water tank instead. What this adds up to is Energy savings; ideal for Passive Solar Homes , ZNE, PNE, LEED & Passive House projects . If you are interested in getting a quote for a Legalett air heated slab floor forming system, see here . Passive Solar radiant air-heated f...

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...