Plumbing / Guides

Crawlspace radon barrier installation for radon mitigation
Radon in Homes - Mitigation

Removing radon gas from basements and crawlspaces

...plumbing stack. The intention of that design is to keep it far enough from open windows to prevent the radon gas from re-entering the home, but that is unnecessary and can work against you. The air below your slab is potentially very humid, and in cold weather it's warmer than the outside air. As a radon mitigation s...

Slate tile installation in bathrooom
Flooring and stairs

Slate Tile installation - video

We have finished the bathroom counter, floors and shower stalls with a dark slate tile from Glendyne. Slate is a natural stone, so its surfaces have more character and inconsistencies in texture - and at times in thickness - than manufactured tiles. This can mean a bit more effort on the part of installers, but a more...

Gas powered tankless water heaters
Plumbing and water heaters

Are tankless water heaters good?

...plumbing work. More powerful models might even require a complete revision of your electrical power infrastructure. Modern homes are generally set up with 200 amp / 240 volt electrical service capacity. Using an electrical instantaneous water heater would require increasing input current to 300 amps and replacing the...

Exterior compresssor heat pump water heater
Plumbing and water heaters

Heat pump water heater with exterior compressor

There are many manufacturers of heat pump 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 p...

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

Increased efficiency with heat pumps working in tandem

Our previous update covered aspects of the building envelope, which allowed us to reduce the annual heating requirement to about the Passive House standard of 15 kWh per square meter. Windows are a part of that but they are also part of our energy performance strategy. The house is laid out south facing to maximize ...

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

Heat pump electric hot 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 ef...