Domestic hot water / Guides

Ductless mini-split air source heat pump installed in a LEED certified PH Home
Heat pumps, geothermal and AC

How heat pumps work in a LEED or Passive House high efficiency zero net energy home - video

...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...

heat pumps in tandem with heat pump hot water tanks
Hot water

Increased efficiency with heat pumps working in tandem

...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 consumption in a home is usually a result of heating, with our building envelope we've been able to reduce that ...

Gas powered tankless water heaters
Plumbing and water heaters

Are tankless water heaters good?

...water heaters', 'continuous flow heaters', 'instantaneous waters' or 'flash heaters'. The drawback with traditional domestic hot water systems: Traditional domestic hot water systems use gas or electricity to heat water that is stored in a central water tank, ready for distribution. The main drawbacks of traditio...

Exterior compresssor heat pump water heater
Plumbing and water heaters

Heat pump water heater with exterior compressor

...domestic hot water with a heat pump that draws heat from inside the home. To explain that further - if you heat your home with an oil furnace, a heat pump water heater that transfers heat from the ambient air in the room to the hot water tank is not such a great idea, as your domestic hot water would then be heated b...

Solar panels power the Kenogami House in Saguenay, Quebec
Renewable energy

The Kenogami House: Energy systems at the cutting edge of innovation

...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 that this system will supply all of the domestic hot water, and the entire energy needed for heating, in the form of...

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.

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...

Solar thermal collectors

All about solar thermal collectors

...hotovoltaic solar panels and using the power they generate to heat water with a traditional water heater. This is due to the continually advancing technologies and dropping costs in the photovoltaic industry, while solar thermal collection technology and cost has remained fairly stagnant over the same period. They’re...

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...

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 . Passive Solar radiant air-heated floor slab on grade form kit ductwork © Ecohome Generating solar domestic hot water when heating is not ...

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

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

...domestic water in the tank. Because this setup uses a relatively powerful boiler when heating the water, it is actually able to provide continuous hot water for such things as bathing. The water heater is set up to take precedence over space heating, so there is always a good supply of hot water. Phone and internet...