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. We could have fitted some baseboard heaters for zone heating but they are often noisy and need fixing and we decided they wouldn't be needed. Related topics ...

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

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...

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...

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 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

...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 this close to n...

Photovoltaic solar panels
Renewable energy

Solar heating and energy generation

...water) and redistribute it throughout the house, through radiators or radiant floor heat. A system can work to heat your home, as well as pre-heating your domestic hot water. It can easily provide 60% or more of your heating and hot water in the winter and almost all your hot water needs in the summer. With a w...

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...

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...