Grey water recovery / Guides

Grey water and heat recovery shower
Bathrooms

EcoVéa: recycled and cleaned shower water

...water and energy that is literally going down the drain while showering, it's hard not to want to run out and buy one of these pronto. Grey water heat recovery units that capture some of the heat from shower drain water have carved out their own place in the green building market, but showers like the Orbsys and EcoVéa...

Water efficient bathroom fixtures
Plumbing and water heaters

Plumbing & water

...Water plants with the water from dehumidifiers or leftover water in drinking glasses if you can, and make sure your dishwasher and washing machine are full before you run them. If we simply look at water and see its true value, these won’t seem like big sacrifices to make. Rainwater collection: For watering gardens...

Water efficiency
Plumbing and water heaters

How to save money on your hot water bills!

...Grey 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 abo...

Reduce water consumption with residential gray water recycling systems
Plumbing and water heaters

Gray water recycling

...water? Or indeed grey water! The term “gray water” refers to all domestic waste water that is drained from sinks, showers, bathtubs and washing machines. While gray water can be reused, water from kitchen sinks or dishwashers is generally not recycled as it contains substantial amounts of grease and organic matter. W...

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...

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...

The Best 10 Energy Saving Tips for Green Homes - EcoHome
Wall assemblies - renovation

Green home improvements: an energy-saving pyramid scheme that actually works!

...Grey 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 you...

Passive home designer Harold Orr, one of the original high performance homes
Passive solar home design

The principal designer of the house that inspired the global Passivhaus movement reflects on the project that started it all.

...recovery ventilation units. A grey water heat recovery unit . This unit collected waste water from the bathroom sinks, tub and laundry unit in a 30 gallon storage tank and had a counter flow coil of fresh water to recover some of the waste heat in the waste water. This unit was not very successful as the waste wate...

Naugler House: the most energy efficient Passive House design in New Brunswick
Efficient home design

New Brunswick's most energy efficient home is Passive House designed

...recovery rate. In the supply air from the HRV is a Thermolec 2000 Watt resistance heater unit which self-modulates the heat output. This unit provides all the heat needed to maintain the home comfortably at 20°C on a grey winters day. Before outside air enters the HRV it is preheated or pre-cooled using a simple heat...

Rain barrels for storm water management and rainwater harvesting
Rainwater Collection & Watering

Introduction to rainwater harvesting

...water can run straight into nearby waterways and aquifers. If there are ways to divert water-to-water storage areas, you can change street rainwater from being a problem to a resource. The third source of rainwater is the roof. Even in areas with low rainfall there is enormous potential for harvesting rainwater. A 1,...

Off-grid and Net-Zero Housing

A Toronto Off-grid home 20 years later; how did it fare?

...water The most crucial prerequisite to designing a successful autonomous home water system is to reduce consumption. For example, this house includes a toilet that consumes only 6 liters per flush, which wasn’t mandatory until 2014. Water reuse is critical as well - wastewater from washing machines, showers, bathtu...