Jeff Colley
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jeffcolley.bsky.social
Jeff Colley
@jeffcolley.bsky.social
Green building 🤓

PassiveHouse+ mag
Zero Ambitions podcast + consultancy
Heat Pump Assoc 🇮🇪 🪑
TEDx talker
World GBC #BuildingLife ambassador

Mag: https://passivehouseplus.ie
Pod: https://tinyurl.com/Zappod
TEDx: http://tiny.cc/TEDJeff
That’ll make for an interesting article. Thanks Stephen!
March 9, 2025 at 9:54 PM
Reposted by Jeff Colley
Is a green home more than a house? What about outside? Ranking 13th, 36.6% of respondents to our #SMARTER4EU Green Homes Sentiments Survey said #biodiversity was essential. That seems low, given a manicured lawn is a desert for insects & animals. Have your say: www.surveymonkey.com/r/BYPQVJH
February 14, 2025 at 10:15 AM
Totally agreed on sufficiency Annie - a subject we write about in the mag.

Isolated, overly large statement homes aren’t the answer - even if passive and bio-based.

But we live car free in a modestly sized low energy apartment, so my daughter sometimes daydreams of houses like this.
January 11, 2025 at 6:16 PM
Mass timber has a place, and arguably it should only be for taller buildings, which are beyond the reach of regular timber frame, or particularly lean approaches like larsen truss or I-beams.

This article by Lenny Antonelli + @moreourselves.bsky.social explains why. 14)

@lloydalter.bsky.social
Seeing the wood for the trees - Placing ecology at the heart of construction - passivehouseplus.ie
All construction is likely to warm the climate - how to utilise ecology
passivehouseplus.ie
December 30, 2024 at 10:59 AM
Reposted by Jeff Colley
MineCraft is very easy to get into for a very wide age range.
Unfortunately Mojang doesn't allow you to generate XP through providing the most low carbon dwelling possible 😔
I'm also not too sure what the carbon output is of an exploding Creeper. They're DEFINITELY not environmentally friendly.
December 30, 2024 at 10:47 AM
Lots of trees were harmed in the making of this movie: it’s mass timber on steroids.

For the ceiling Sadie used stripped pale oak wood (1m thick again).

We didn’t bother with joists. It was late. We were tired.

This sits on a 1m thick timber superstructure. And 1m thick timber cladding. 13)
December 30, 2024 at 10:43 AM
We might have lost the run of ourselves with the front door.

In the absence of a way to convey and insulated door, we added three of them. Overkill? Certainly. But at least there’s little or no chance of any heat loss from opening the door. 12)
December 30, 2024 at 3:03 AM
Triple glazing is par for the course in passive houses in most climate zones, and again we had to improvise, adding three layers of glazing.

And don’t be asking questions about thermal bridging from those mullions and transoms.

The windows sit in the insulation layer, of course. 11)
December 30, 2024 at 2:57 AM
This also meant that finishing materials had to be 1m thick too.

So when you add in the timber cladding Sadie chose inside and outside, we ended up with a 3m thick wall.

This is only, say, six times or so thicker than you’d normally see in a passive house. 10)
December 30, 2024 at 2:47 AM