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Wolfgang Feist

@wolfgangfeist.bsky.social
302 followers 182 following 45 posts

Humanist. Physicist. Educator. Engineer. Energy efficiency is key to solving the climate crisis – and the problems associated with it. Energy efficiency is NOT an abstract concept: it is real in the form of passive houses, heat pumps, electric vehicles,...

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Reposted by Wolfgang Feist
Ben Adam-Smith @benadamsmith.bsky.social · 07/06/2025
Over his career, how has Mike Whitfield developed a reputation as the type of builder you want on your project?! I catch up with him at the end of a day on site. www.houseplanninghelp.com/hph375-a-day... #SelfBuild #Passivhaus #PassiveHouse
houseplanninghelp.com
HPH375: A day in the life of a builder – with Mike Whitfield - House Planning Help
Mike Whitfield shares his experience of running a local construction company that specialises in Passivhaus. He explains how the business is structured, and what tasks are tackled on a daily and weekl...
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Passive House Accelerator @phaccelerator.bsky.social · 07/06/2025
🎙️ Just published a new episode of the Passive House Podcast, "TRE 08: Reimaging Design, Construction, and Materials." Have a listen:
share.transistor.fm
TRE 08: Reimaging Design, Construction, and Materials
In this eighth episode of The Reimagine Edit (TRE) series of the Passive...
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Tony Durham @rhamdu.bsky.social · 07/06/2025
Yes, Passivhaus would be an aspiration. Decent insulation gets you a long way, but to ventilate a house well, without excessive heat loss, you really want airtightness + MVHR. These are easily incorporated in a new build, but in the UK we are caught in the expensive-land, cheap-structure trap.
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Passivhaus Institut / IG Passivhaus @passivhausinstitut.bsky.social · 07/06/2025
Der Neubau der Bertolt-Brecht-Schule in Darmstadt ist eines von über 6000 Projekten in der Passivhaus-Datenbank. Der Neubau ist energetisch vorbildlich mit niedrigem Energieverbrauch und hohem Aufenthaltskomfort. Aucvh die Inneneinrichtung ist zum Wohlfühlen. ID 7736 ow.ly/qhTr50W5oBf
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Ecospheric @ecospheric.bsky.social · 05/06/2025
Our #Hampstead #Passivhaus project is shortlisted for the #Camden Design Awards! It's a wonderful example of the client and design/build team working together to create a truly sustainable home - sourcing reclaimed, natural, and VOC-free materials and renewable energy into this Victorian townhouse.
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Mike Eliason @holz-bau.bsky.social · 05/06/2025
praeger richter's mass timber nearly-passivhaus all-electric cooperative with variety of unit sizes, massive amount of community/shared space, active solar protection... sufficiency in action. www.baunetz.de/meldungen/Me...
baunetz.de
Genossenschaftliches Wohnen im Fläming - Praeger Richter Architekten in Bad Belzig
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Passivhaus Institut / IG Passivhaus @passivhausinstitut.bsky.social · 05/06/2025
Gebäudekonzepte für heiße Sommer: Hohe Eenrgieeffizienz ist der Schlüssel. Dieser Schulneubau in Weiterstadt (© Passivhaus Institut) wird erstens im Passivhaus-Standard realisiert. Zweitens mit Klimadaten von 2035 geplant. Protokollband 57 steht gebührenfrei zum Download bereit: ow.ly/6W9H50W4WBW
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Mike Eliason @holz-bau.bsky.social · 05/06/2025
passivhaus helps mitigate this
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Passivhaus Institut / IG Passivhaus @passivhausinstitut.bsky.social · 04/06/2025
Heute #Hitzeaktionstag. Ein guter Wärmeschutz des Gebäudes bietet auch im Sommer einen echten Vorteil. Der hohe Wärmeschutz hält Hitze draußen und ermöglicht einen angenehmen Sommerkomfort im Gebäude. Sommerkomfort & hoher Energieeffizienz: ow.ly/yVmS50W44h9 Fotos Bahnstadt: © Passivhaus Institut
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Passivhaus Trust @passivhaustrust.bsky.social · 02/06/2025
Largest UK #Passivhaus Building: Urbanest Battersea, Palmerston Court, #London Three towering blocks rise from a single podium, making this the UK's largest single building certified to #Passivehouse Type: Student accommodation No. of units: 199 (853 bedrooms) TFA: 17,964 m2 #StudentLiving 3/5
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Passivhaus Trust @passivhaustrust.bsky.social · 02/06/2025
Discover more about the UK title contenders on the horizon and how those 3 projects compare globally. www.passivhaustrust.... Are you working on a gigantic #Passivhaus? Be sure to let us know all about it! #MondayMotivation #SustainableBuildings 5/5
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Scottish Construction Now @scottishconstructionnow.com · 03/06/2025
Collette Miller explores the Passivhaus and EnerPHit energy efficiency standards, outlining their development, core principles, and the benefits and challenges associated with their adoption by social housing providers aiming to meet net zero targets and improve tenant well-being.
scottishconstructionnow.com
Collette Miller: Passing on the Passivhaus parcel – Unwrapping the benefits and drawbacks for social housing
Collette Miller explores the Passivhaus and EnerPHit energy efficiency standards, outlining their development, core principles, and the benefits and challenges associated with their adoption by social housing providers aiming to meet net zero targets and improve tenant well-being.
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Built Environment - Smarter Transformation @be-stbuild.bsky.social · 03/06/2025
Passivhaus Practical Training is now even more accessible. CITB-registered businesses can claim up to 70% funding on this course via their local CITB advisor. Join us on the 18th June for our last session before the summer break ➡️ Find out more: buff.ly/zvxexVp
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Passivhaus Trust @passivhaustrust.bsky.social · 02/06/2025
💙From social housing & community centres to schools, AHR is flying the flag for Passivhaus in Scotland! A big thanks to AHR for sponsoring our ongoing policy work to support development of the proposed Scottish Passivhaus Equivalent policy. Read our latest update here: www.passivhaustrust....
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Mike Eliason @holz-bau.bsky.social · 30/05/2025
passivhaus solves this
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Ran Boydell @ranboydell.bsky.social · 30/05/2025
“I knew I wanted a certified Passivhaus. But the question was could I afford it? “And could I find someone to design and build it?” Chris Nunn
theecolibrium.com
Premium content
In a quiet street in Sydney’s northern suburbs resides New South Wales’ first Passivhaus Premium certified building. The residential home is the result of more than five years of painstaking research…
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Passivhaus Institut / IG Passivhaus @passivhausinstitut.bsky.social · 30/05/2025
Energetisch wird die erste Passivhaus-Schule in Darmstadt über Jahrzehnte eine enorme Menge an Energiekosten einsparen. Auch bei der Inneneinrichtung ging die Bertolt-Brecht-Schule neue Wege. Ursprünglich geplant war übrigens eine Sanierung des Altbaus. Darmstädter Echo: ow.ly/pN3M50W1wsv
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Coaction Training CIC @coaction.bsky.social · 30/05/2025
🎓 Architecture students & lecturers — last chance! Bookings for our Certified Passivhaus Designer – Summer Edition close tomorrow at midnight. Online course | Starts June | Discounted pricing 🔗 STUDENTS coaction.org.uk/courses/stud... 🔗LECTURERS: coaction.org.uk/courses/lect... #Passivhaus
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Passivhaus Trust @passivhaustrust.bsky.social · 27/05/2025
💙Grasping the thistle! #ScottishPassivhausEquivalent A big thanks to Collective Architecture for sponsoring our ongoing policy work to support the development and rollout of the proposed Scottish Passivhaus Equivalent policy. Read our latest update here: www.passivhaustrust....
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Built Environment - Smarter Transformation @be-stbuild.bsky.social · 27/05/2025
Designing for Passivhaus? This course is for you. Join our Passivhaus Practical Training in collaboration with Coaction Training CIC to better understand buildability, sequencing, and how to support contractors on site. ➡️ Register for the last session before summer: buff.ly/zvxexVp
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Juraj Mikurcik @jurajmikurcik.bsky.social · 27/05/2025
Underfloor heating is good, radiators are also still a good option for low energy/ passivhaus buildings. The key is to design the system well and run it off heat pump at low temperatures for high efficiency.
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Ben Adam-Smith @benadamsmith.bsky.social · 28/05/2025
I've been on a little jolly the last few days. Thank you to Juraj Mikurcik, Kirsty Maguire, and Mike Coe and Lizzie Stoodley for these three #Passivhaus stopovers!
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Energy Manager Magazine @energymanagermagazine.co.uk · 28/05/2025
Scotland’s first Passivhaus-certified Primary School has recorded outstanding first year energy performance results, due in no small part to the highly efficient hot water design. buff.ly/NXhddQr #energymanagement #energymanager
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Passivhaus Institut / IG Passivhaus @passivhausinstitut.bsky.social · 28/05/2025
Premiere in Darmstadt: Bei der Einweihung der Bertolt-Brecht-Schule erhielt diese heute als erste der Stadt das Passivhaus-Zertifikat. T. Schulz vom Passivhaus Institut (l). übergab das Zertifikat an Oberbürgermeister Benz und Bildungsdezernent Klötzner. ow.ly/10Qn50W04pF Fotos © Passivhaus Institut
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LA 🇺🇦🇪🇺 @labruunt.eurosky.social · 21/05/2025
Unglaublicher Bau aus tragendem Stroh in Grenoble 🇫🇷 Ein Juwel an Technik, thermischem akustischem Komfort und Klimaschutz. Credit: topophile, assoc. Nebraska Cc @michaelburchert.bsky.social @wolfgangfeist.bsky.social topophile.net/faire/a-gren...
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Dr Paul Dorfman @drpauldorfman.bsky.social · 22/05/2025
UK should adopt Passivhaus standard, established in Germany for over 25 years - super-insulated and airtight, mechanical ventilation, heat reclaim systems. www.theguardian.com/society/2025...
theguardian.com
Britain should adopt the Passivhaus standard to cut energy costs in new homes | Letters
Letter: Adrian Birch praises the German building standard, saying it can do away with the need for solar panels and heat pumps
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Jess McCabe @jessmccabe.bsky.social · 19/05/2025
apple.news/A6iZ5C2PWRrG... great news on uptake of passivhaus by a big house builder - we need more of this
apple.news
Barratt to build Passivhaus homes for the masses — The Times and The Sunday Times
Think Passivhaus is only for the rich? Fewer than 2,500 homes in Britain have met this standard, which is seen as the pinnacle of sustainable design around the world. Now Britain’s biggest housebuilde...
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Viridian Consulting @viridianconsult.bsky.social · 19/05/2025
"The Passivhaus Trust is now aiming for 10% of all projects in new UK housing by 2035" From PBC Today about the @passivhaustrust.bsky.social #passivhaus #housing www.pbctoday.co.uk/news/energy-...
pbctoday.co.uk
1% of all UK housing developments are Passivhaus projects
The Passivhaus Trust has published numbers showing that 1% of all UK new homes are Passivhaus projects, with new targets being set
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Nick Simpson @iamnicksimpson.bsky.social · 20/05/2025
If Barratt can build apartment buildings to Passivhaus standard, everyone can. There are fewer and fewer excuses for not doing so.
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vrichd.bsky.social @vrichd.bsky.social · 20/05/2025
Barratt - large developer ahead of Labour govt. on this. Passivhaus standards should have been made mandatory before now. Now do the same all over the UK, AND only build higher density multiplex homes, everywhere.
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Passivhaus Institut / IG Passivhaus @passivhausinstitut.bsky.social · 20/05/2025
EINLADUNG für alle in Darmstadt und Umgebung: Das Passivhaus Institut bietet eine Führung durch den Passivhaus-Neubau der Bertolt-Brecht-Schule in Darmstadt an. Wann: Mittwoch, 28. Mai um 12.15 Uhr. Bei Interesse reicht eine kurze E-Mail ans Institut. Die Platzzahl ist begrenzt. www.passiv.de
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Daniel Mumby @danielmumbyldr.bsky.social · 20/05/2025
Much-needed low-cost homes are being built in #Frome, with Stonewater beginning construction on 24 #passivhaus properties near the town's main industrial estate: www.somersetlive.co.... #LDReporter #Somerset
somersetlive.co.uk
Work begins on low-cost homes near Frome industrial estate
The new homes will be ready by April 2026
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Mike Eliason @holz-bau.bsky.social · 20/05/2025
4-story mass timber passivhaus baugruppe in mannheim's spinelli, by planwirkstatt big balconies homes from studios to 5 bedrooms solar protection homes that cross ventilate, w/ daylight on multiple sides storage, bike room, guest suite massive community kitchen www.planwirkstatt.de/details/oiko...
planwirkstatt.de
OIKOS Baugenossenschaft im Spinelli-Quartier | Mannheim 2023 - Karin + Ralf Vogel Architekten | Stutensee-Spöck
Baugenossenschaft im Mannheimer Käfertal | Hybridbau nach KfW40+ mit 21 Wohnungen von 48 bis 122 m2 über 4 Geschosse im Spinelli-Quartier.
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Rupert Cook @rupertcook.bsky.social · 20/05/2025
A strong case for investing in mitigation… Warming of 3°C by 2100 could reduce global output 15% to 34%. Or …investing 1% to 2% in mitigation & adaptation would limit warming to 2°C, reducing economic harm to 2% to 4%. @kmohaddes.bsky.social #passivhaus www.gatescambridge.org/about/news/t...
gatescambridge.org
The huge economic impact of inaction on climate change - Gates Cambridge
New research led by Kamiar Mohaddes' climaTRACES Lab and Boston Consulting Group shows the economic risk of not tackling climate change
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Daniel Mumby @danielmumbyldr.bsky.social · 20/05/2025
ICYMI, here's when #Frome's newest low-cost homes will be finished: www.somersetlive.co.... #LDReporter #Somerset #passivhaus
somersetlive.co.uk
Work begins on low-cost homes near Frome industrial estate
The new homes will be ready by April 2026
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Tabitha Binding @tabithabinding.bsky.social · 19/05/2025
UK students studying Built Environment subjects. 📆 Are you joining us tomorrow at 1.15 BST? ❓Do you have questions we can answer 🌟 Essential knowledge that will change the way you design for the climate crisis we are in #passivhaus #skills ‼️ By the end of June you could be a CEPH designer…
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Passivhaus Trust @passivhaustrust.bsky.social · 19/05/2025
🚨NEWSFLASH 🚨 Barratt plans to build all its flats in London to Passivhaus standards (with 728 currently planned). This is part of plans to deliver "the biggest Passivhaus rollout in Britain, with 1000s of new homes certified to the standard". www.thetimes.com/lif...
thetimes.com
Barratt to build Passivhaus homes for the masses
The housebuilder plans to dramatically increase its sustainable housing, which could reduce residents’ heating bills by 60 per cent
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Jessica Bristow @jessicabristow.bsky.social · 19/05/2025
Passivhaus is hiring! 📝 (reposting to the 𝐂𝐥𝐢𝐦𝐚𝐭𝐞 𝐒𝐦𝐚𝐫𝐭 𝐃𝐞𝐬𝐢𝐠𝐧 feed :) tag your posts with #ClimateSmartDesign + #RegenerativeDesign to be included!)
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james stevenson @jsstevenson.bsky.social · 17/05/2025
honestly there's a pretty good argument that comprehensive passivhaus requirements (incl. air filtration) end up saving more on operating costs in the medium term than they impose upfront
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Passivhaus Trust @passivhaustrust.bsky.social · 16/05/2025
We are #hiring! It is a fantastic time to #JoinOurTeam Still time to apply: www.passivhaustrust.... #GreenJobs #Passivhaus #Passivehouse #ClimateAction #BetterBuildings #GetInvolved #PassivhausJOB #Director #DeputyCEO #ApplyNow
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Mark Burton @markhburton.mstdn.social.ap.brid.gy · 16/05/2025
@DBailey635 At passivhaus standard the battery would be unnecessary. We have one 1921 house, retrofitted to top of EPC 'C') and at the moment we are hardly using the grid, but I'm very mindful of the enormous problems of battery tech: the long supply chains and the devastation to lives and […]
mstdn.social
Original post on mstdn.social
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Coaction Training CIC @coaction.bsky.social · 16/05/2025
‼️ CEPH Passivhaus Designer Training 👏 Student and Lecturer specially discounted - full course ❓ Want to know more? Join us for 1 of our 2 Q&A sessions with @sallygodber.bsky.social 📅 Students - 1.15 to 1.45 BST Tues 20 📅 Lecturers - 12.00 to 12.30 BST Thurs 22 coaction.org.uk/blog/2025/St...
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Coaction Training CIC @coaction.bsky.social · 16/05/2025
📅 Change of date! Join us today 16 May at 1pm for our trainers case-study 12/13 🙏 Speaker: Ann-Marie Fallon 🏫 Project: Harris Academy, London - #Certified #Passivhaus New Build 🌟 Audience: Coaction Alumni 🌟 UK’s first Passivhaus secondary #school and the largest Passivhaus school in the UK.
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Passivhaus Institut / IG Passivhaus @passivhausinstitut.bsky.social · 16/05/2025
Energetische Sanierung von Schulen: Das Passivhaus Institut hat auf der Klimakonferenz des DStGB in Bonn gelungene Sanierungen zum Passivhaus-Standard vorgestellt. Klimabilanz & Luft- und Aufenthaltsqualität in Klassen nun deutlich besser - im Winter und Sommer. ow.ly/hp9650VTMN3 Foto: DStGB
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Ross McNally @rossmcnally.bsky.social · 16/05/2025
Labour is bent on giving these companies carte blanche to trash protected habitats and species to knock up these shitty identikit rabbit hutches that nobody can afford. We need the well regulated building of social housing to passivhaus equivalent standards. www.theguardian.com/environment/...
theguardian.com
Poor building standards add £1,000 to energy bills of new homes, analysis finds
About £5bn more spent than if rules for low-carbon new-builds had not been scrapped in 2016, ECIU thinktank finds
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Passivhaus Trust @passivhaustrust.bsky.social · 15/05/2025
The judges have deliberated – and the Exemplar Sustainable Building Awards shortlist has dropped! esba.uk #Shortlist #ThursdayThoughts #Passivhaus #HealthyHomes #GameChangers #ArchitectureAwards #SustainableLiving #BetterBuildings #NetZero #AlwaysLearning 1/3
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