Grey / Guides

Grey water and heat recovery shower
Bathrooms

EcoVéa: recycled and cleaned shower water

...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 one-up even that type of system. The more dire our climate situation seems to get, the more brilliant minds we see step up and provi...

Grey Water Recycling Never Looked Better
Greywater Recycling

Greywater recycling never looked better

...grey water tank is full. Here's how it works. There are two levers, one for each compartment. An LED light provides information about available water levels. If grey water abounds and there is enough to flush with the recycled water, the light is green. If not, the light is red and a fresh flushing option is availabl...

Water efficient bathroom fixtures
Plumbing and water heaters

Plumbing & water

...grey water (laundry, dishes, shower) for toilets or for irrigation of your garden. It does, however, require a substantial plumbing investment and will eat up some real estate in your basement. So at the price of water, don’t hold your breath waiting for the payback on that one. You could also install composting to...

The EC3 Tool - Skanska - Calculating & Comparing Carbon Footprint of Buildings
Planning and Design

Calculating the Carbon Footprint of Buildings, Introducing The EC3 Calculator From Skanska

...grey energy and operating energy If you consider the useful life of a building, about half of its carbon footprint comes from grey energy – or embodied carbon, and the other half comes from operating energy. The grey energy consumed during the construction phase causes a one-off embodied carbon emission: when the bui...

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

Gray water recycling

...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. Water from toilet ...

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...

Cambrian Black Granite
Kitchens

Granite counter tops

...grey or charcoal counters now and still get that last crucial LEED point. For more on how to build healthy kitchens , Choosing eco-friendly and healthy countops and all about sustainable home construction, check out the Ecohome Green building guide, North America's trusted resource on green home building

Hydraloop gray water recovery and treatment systems
Greywater Recycling

At last, a compact & easy to maintain solution for gray water recycling & treatment - the Hydraloop

...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 there is no secondary use that you’re going to want that for - except for possible subsoil irrigation for garden shrubs and lawns where it's allowed - because plan...

Are low-flow shower heads worth the money?
Bathrooms

Are low-flow shower heads worth the money?

...grey water heat exchanger as pictured above, but there are also horizontal greywater heat exchangers for slab on grade construction now available on the market. Learn more about LEED for homes , plumbing and water conservation , and all about sustainable and energy efficient home design in the Ecohome Green Home Buil...

Installing a rainwater catment system
Rainwater Collection & Watering

Installing a rainwater catchment system

...grey water recycling , water saving showerheads and all about green home building at North America's free green building website, Ecohome . Text availablalikee under a Creative Commons Attribution-ShareAlike 3.0 Unported License, unless otherwise noted.

R values and insulation performance
Efficient home design

Understanding thermal performance

...grey, and white roof membranes on the same building [see above photo] were measured to have maximum surface temperatures of approximately 75°C, 65°C, and 50°C [167°F, 149°F, and 122°F] respectively. While typically in cold climates we think of increased R-values as preventing heat loss from the warmer interior to the...