new-tech-cool-roofs / Green Building & Sustainable Home Renovation Information & Advice

Mineral wool insulation in roof by Rockwool - LEED Platinum V4
Roof assemblies - new construction

Using mineral wool insulation batts in roofs

Mineral wool roof insulation used to best effect: Watch more green building video on the Ecohome YouTube channel here The Ecohome's Edelweiss House LEED Platinum certified V4 roof is a 2/12 pitch insulated to R95 with Rockwool (formerly Roxul) mineral wool batts. R95 far exceeds the most rigorous Canadian building cod...

Commercial Living green roof on the Helen Schuler Nature centre
Roof coverings

Living green roofs: the secrets to success

Commercial Green Roof Case Study AB Canada Nestled in the Oldman River valley in Lethbridge Alberta, the green roof on the Helen Schuler Nature Centre (HSNC) has been attracting local and international attention from visitors and living roof enthusiasts since its completion in 2013. On the roof of the building, a 200m2...

Metal roof with solar panels
Roof coverings

How to choose roofing materials

1. Asphalt shingles: Asphalt shingles © Ecohome We’ll start with shingles to get it out of the way, because choosing an eco-friendly, durable roof covering starts first with dismissing any idea of installing asphalt shingles. High-embodied energy, rarely if ever recycled, they deteriorate rapidly with UV rays, emit s...

How to Vent Roofs - the Methods, Vent Types, Fans
Walls and Roofs

Why Roofs need to be ventilated and how to ventilate a roof properly

It is pretty much inevitable that at least some warm, moist air from living areas will find its way into the roof of a building and bring with it the very real risk of frost and ice forming in a cold climate, or mold and rot in a temperate climate. This is a simple product of physics and the realities and limitations o...

Renewable energy wind farm
Renewable energy

What is clean energy?

What is the cleanest energy?  Despite how commonly  the term ‘clean energy’ is used, there is actually no such thing. At least not in the power delivery market; there are only various levels of ‘dirty’ energy. Starting with the worst and moving up, that would in general be - coal, oil, natural gas and propane, wood and...

Tesla Solar Roof Tiles installation just got easier
Solar photovoltaic

Tesla solar roof gains ground with target of 1000 solar roofs / week

The Telsa solar roof tiles are in the news again. They now have solar panel shingle installations going in 8 states so far - with what's becoming competitive pricing. If news of these PV roof shingles is also news to you, check out our Tesla solar roof review from when it was first announced in 2016. What was missing b...

Flooded streets impervious surfaces - Calgary Alberta
Rainwater Collection & Watering

Rainwater management and water-permeable surfaces

Stormwater - why it's important to choose permeable surfaces for paths & driveways As cities expand into the green space around them, naturally permeable landscapes are replaced with buildings, roads and parking lots. This inhibits the natural water-filtering process that happens when micro-organisms in the soil br...

Pallet beds are trending but pallets can be toxic so be careful
Recycled and Reclaimed Materials

Is it safe to build beds or furniture with shipping pallets?

Pallet Beds - cool but potentially dangerous! We've all seen these rustic shabby-chic pallet wood beds & headboards on social media - these days it seems we can't get enough of being creatively frugal and independent - but while certain pallets are a great source of rustic wood with character for repurposing, other...

Natural swimming pool design DIY (NSP) for eco homes
Natural swimming pools and ponds

Natural pools and natural swimming pools

Natural swimming pools - what are the origins? Natural pools were inspired by the beauty and joy of swimming in mountain lakes, a team of Austrian researchers are credited with launching a movement back in the 1980's that saw chlorinated swimming pools being replaced by natural swimming pools and swimming ponds. The id...

Reducing the need for air conditioning
Heating and cooling

How to keep homes cool without air conditioning

  How to cool a home without AC While it's true that no matter where you live, be it urban, suburban or rural, the hottest days and nights of summer may have you dreaming of coolers climates. However, those living in dense urban areas will feel it the most, where ambient temperatures can be 5 to 9 degrees Celcius highe...

Swimming Pool Heating - Save energy & money & be Eco-friendly as possible Tips
Natural swimming pools and ponds

Heating a Swimming Pool - Top 10 Cost-Efficient & Eco-friendly ways to heat a pool

Happiness is a warm pool - but how to heat it? Swimming in a warm pool is a wonderful feeling, and while we hear from many pool owners in the cooler states & provinces that they really enjoy the experience of a warm swim from late spring or early summer through to autumn, the cost of heating their pool can be a maj...