Mark Siddall @marksiddall.bsky.social Architect @ http://LEAP4.it • Passivhaus Pioneer • Technical Advisor • Researcher • Educator • Dad • CO2 329.7 ppm
Monte Paulsen, Climate Ready Buildings Group @montepaulsen.bsky.social Manager, Climate Ready Buildings Group. Teacher, Pattern Language from Passive House. Settler, Sḵwx̱wú7mesh land. Skipper, Martin 242. Father, Seamus & Galen. 
Gregory Duncan @duncanarchitect.bsky.social Designing comfortable, healthy, energy-efficient buildings
Certified Passive House Designer
Registered Architect in NY and NJ
International Passive House Association (iPHA) @ipha.bsky.social The global network of #PassiveHouse professionals and enthusiasts working to promote the Passive House Standard
https://feedlinks.link/ipha
#ClimateAction #Passivhaus @chayclimate.bsky.social Work for Passivhaus Trust. Mum, cyclist, campaigner. Passionate about #ClimateAction #Passivhaus. 
Bronwyn Barry (she/her/they/them/it/thingumie) @passivehousebb.bsky.social Searching for comfortable buildings in a democracy that works. (Optimist.) E-bike loving architect building Passive House in a climate that thinks it doesn’t need it. (Persistent.)
Passive House Plus @phplus.bsky.social Award-winning green building magazine
For: comfortable, healthy, low carbon buildings with tiny energy use.
🇮🇪+ 🇬🇧 print editions + projects from whole 🌎.
Passive house / Passivhaus
Tomato / tom8to
www.passivehouseplus.co.uk
Passivhaus Trust @passivhaustrust.bsky.social Leading the way for adoption of the #Passivhaus standard in the UK. UK affiliate of the International Passive House Association.
www.passivhaustrust.org.uk
.
Chaos @shed.gay Not very serious here.
Silly project connoisseur She/They 🏳️⚧️ trans non binary dyke woman
🏳️🌈🏳️⚧️
John Butler @jbsustbuild.bsky.social Sustainable Building Consultancy.
Geek for Hire. Passivhaus, Low-carbon building & retrofit. Late diagnosed autistic. He/him.
For the music/performance version of me go to @the-woodlouse.bsky.social
https://www.sustainablebuildconsultancy.com
George Morgan 🌈 @georgemorgan.bsky.social London-based designer.
https://www.onepointfivearchitecture.com/
He/him.
Dysgwr Cymraeg.
Elrond Burrell @elrondburrell.bsky.social Architect + Passive House & Low Carbon expert | BUSINESS: http://via-architecture.net | BLOG: http://elrondburrell.com | Born at 331.3 ppm CO2 📈🌏
Sarah Lewis @sarahlewis.bsky.social Architect | Enthusiast for our beautiful, fragile planet | Author of PHPP Illustrated | Coaction trainer | Proudly part of the UK Passivhaus Trust | Mother of two powerful young girls
philbixby.bsky.social @philbixby.bsky.social Architect and Passivhaus Designer in York, UK with a passion for sustainable & community-based projects, half of myfutureyork.org & part of yoco.uk. Makes B&W photos on film, rides bikes for pleasure & utility, and leans to the political left.
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
Ben @ecohaus.bsky.social Builder, passivehouse consultant, love all things old, buildings, cars, people! Passionate about finding and solving defects in buildings especially water related, forever learning (currently AECB CLR), building physics fan, restoring a car for fun.
Gwilym Still @gwilymstill.bsky.social Passivhaus designer and certifier, and MEP consultant at Max Fordham LLP. Views my own.
Robert White @robwhiteat.bsky.social Technical Associate at @ArchitypeUK ¦ Architectural Technologist ¦ Passivhaus Designer - Passivhaus Dweller - views my own
@vincentf.bsky.social @vincentf.bsky.social 🇪🇭 FREE
architecture : environment : the outdoors : low energy builds, retrofits & passivhaus :
Prof. Rob McLeod @robscot.bsky.social Professor of Building Physics and Sustainable Design at TU Graz 🇪🇺
Everything is interconnected...
#IndoorAirQuality #Ventilation #BuildingPhysics #EnergyPolicy
#LowCarbonBuildings #Resilience
#ClimateCrisis #Health&Wellbeing #SocialJustice #ED&I/DEI
Lindsay Schack @lindsayschack.bsky.social Architect @ Love Schack Architecture in Bozeman, Montana & Driggs, Idaho. Experts in passive house design methods using natural, low-carbon materials; AIA Small Project Design KC Board Chair 2023, 2025 PHNetwork Board
www.loveschackarchitecture.com
Frank Reif @frankreif.bsky.social Mainly here for climate stuff. Decarbonizing heating and cooling.
Building science / efficiency / retrofit / mechanical engineering etc.
Sue Rowlands @suerowlands.bsky.social Ex urban designer. Mediocre at many sports. Passivehouse evangelist. www.ecobungalow.co
Shreyas Sudhakar @shreyassudhakar.com Writing about heat pumps at heatpumped.org
Installing heat pumps at vayu.pro
Former YC founder and rocket propulsion engineer
heatpumped.org/subscribe
John Barry Lowe @teachspruis.bsky.social Architect, Director EDEN architects, Certified Passive House Designer, Architecture Design Fellow APEP-University College Dublin
Mel Reynolds @maoiliosarey.bsky.social Architect, Project Manager, Conservation Architect, Certified Passive House Designer "Do less, better”
Dr. Barry Mc Carron @bmccarron.bsky.social MD @KORERETROFIT, Passive House Expert, Climate Advocate, Sports Fanatic, Music Lover, Passion for Travel.
Rorick Road Ranch @rorickroadranch.bsky.social Building an off grid passive ranch house and guest cabins, and creating the Triple R Mountain Retreat - Est. 1971, Shenango Canyon, West Kootenays, BC
DO-Architecture @do-architecture.bsky.social www.do-architecture.co.uk
We are a Glasgow based architecture studio.
We teach at the Glasgow School of Art and also make Passive House buildings.
Hans Hofinger @jhof.bsky.social Low carbon and geothermal energy, passive house, energy communities, father, Austrian
Jane Steger- Lewis @janesteger-lewis.bsky.social M/ch, London, Leeds, and now the wild remote west coast of Ireland. Read, watch, paint, listen, forget things, have advanced MS, can’t walk or wee but Ilaugh a lot. Like animals, trees, nature. Just moved into the PassiveHouse we built by the sea. She/her
Gradon @gradontripp.bsky.social Providence, RI ⚓️ Dad, husband, urbanist, passive house & incremental housing advocate, EV driver, fledgling cyclist, indie rock fan, and museum wanderer.
Chris Higgins @cahiggins.bsky.social Supporting Electric Load Growth. Building Policy. Helping homes & buildings improve, Heat Pumps, Passive House, CHBA Net Zero, & better building code.+ EV's, Civil Service, & a Safer City.
Mark Stephens @architectmark.bsky.social Mark Stephens - MRIAI Architect & Certified Passivhaus Consultant.
Architecture Lecturer at ATU Sligo
Handy with Vectorworks
Maria Vico @mariavico.bsky.social BIM Architect, specialist in #Passivhaus #nZEB #sustainableDesign. Reducing carbon footprints at Castaño&Asociados winner of the Iberoamerican Passivhaus Contest.
Patrick Osborne @patrick-osborne.bsky.social Architect and Passivhaus designer, interested in retrofit and low carbon design
Sally Godber @sallygodber.bsky.social Engineer & Passivhaus Certifier. Director of WARM: Low Energy Building Practice (https://peterwarm.co.uk) and Coaction training CIC (https://coaction.org.uk/)
Helena McElmeel Architects @mcelmeel.bsky.social Architecture_Passive House_Public Realm_Urban Design_ Engagement
Tabitha Binding @tabithabinding.bsky.social Climate Conscious Construction | Retrofit First | Working for @passivhaustrust.bsky.social and Coaction Training CIC | @aecb.bsky.social member | Loves - my deep retrofit, fermentation, sufficiency, nerdy stuff!
@kdbnicol.bsky.social @kdbnicol.bsky.social Buildings PassivHaus Energy Communities Forests
Coaction Training CIC @coaction.bsky.social Practitioner led | Not-for-profit org | Providing training for construction professionals to meet the climate emergency 
AECB @aecb.bsky.social Association for Environment Conscious Building ◦ We work with our members to inspire, develop and share sustainable building practice ◦ https://aecb.net/
Kym Mead @kymmead.bsky.social Director, PH Certifier. Arsenal season ticket holder. Muay Thai enthusiast. Stormtrooper.
Es Tresidder @estresidder.bsky.social High-energy mountain sports, low-energy building design. Runner, climber, ski-mountaineer, building physicist & Passivhaus designer. EV driver.
Currently finishing up my own EnerPHit house project. 
Robert Dunlop RHD Architects @rhdarch.bsky.social RHD Architects - Passive House Designer - #bespokedesign #passivhausdesigner #lowenergy #parkrunner #RIBA #ARB #RSUA www.rhdarchitects.co.uk
Greengauge @greengaugebec.bsky.social Greengauge Building Energy Consultants is a building & engineering consultancy specialising in sustainable, low energy design. Offices in Wiltshire & Yorkshire. https://ggbec.co.uk/
Rupert Cook @rupertcook.bsky.social Husband & father | Oram’s Arbour, Winchester | Lamb’s Conduit Street, London
Partner Miltiadou Cook Mitzman | New build | Retrofit | Craft | Comfort | Certified Passive House Designer | Trustee University Design Forum
Vegan | Self-builder | LGBTQI+ Ally
Matthew @kakarikicastle.bsky.social Inspiring people to make a better place to live.
Healthier, low-carbon homes.
Less misinformation.
NZGBC Senior Residential Manager, Co-host of the Passive House Podcast.
https://nzgbc.org.nz/introduction-to-homestar
https://passivehouseaccelerator.com
Marcy Conrad Nutt @marcyconradnutt.bsky.social Architect, Certified Passive House Designer, and artist invested in sustainable living and building - Founder of Yarrow Architecture and the Internal Coordinator for Passive House Minnesota (PHN, iPHA) Aurora Chaser, Love Friends + Family + Dogs.
Liz Meddings @lzmddings.bsky.social Heat, vent engineer. Energy efficiency. Passivhaus Designer, Retrofit Coordinator. Life indefinitely paused: disabled after a concussion.
Stephen Parnell @stephenparnell.bsky.social Formerly an architect, academic and software peep. Now advocating for media literacy and responsible GenAI in HE. Northerner: border collie & brass band lover. Trombone learner (still). Here to learn not argue. Thinking round corners.
Wolfgang Feist @wolfgangfeist.bsky.social 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,...
Architecture news @architecture-news.bsky.social Mastodon : https://mastodon.ple-architecture.eu/@archinews
Instagram : https://www.instagram.com/philouphil/
BlueSky Personal : https://bsky.app/profile/philippe-le.bsky.social
Andrew @andrew.bsky.social Things I like:
- #P2P / #opensource
- #History (Rome/Greece/Egypt)
- #Transit / #urbanplanning
- #Soccer
☦️💻⚽🏥📷📈💪☕️🇺🇸🇪🇬
📍NYC
Son of Coptic Orthodox immigrants from Egypt, and aiming to learn more and more about my ancestors history
Tamara Daughtry @gdr2025.bsky.social Retired Art Educator. Building an off grid homestead with my husband, and searching for peace.
Zach Wienhoff @zbw.bsky.social Forensic Structural Engineer & Meteorologist 
Ingvar Tautra @itautra.bsky.social Woke. Norwegian, here mainly for Ukraine's defence against the terrorist nation, Russia. Democracy is the only way. Structural engineer, musician, Atheist, husband, father, sea-kayaker, motorcyclist.
I don't donate money to strangers on social media
Trevor Acorn 🔰🌹🇺🇸🌎 @trevoracorn.bsky.social Kansas City Structural Engineer. Father of three, posting about cities, architecture, and transportation.
I 💙⚡️🚴
Equal parts Christopher Alexander, Donald Shoup, and Henry George
Dr. Stephanie Pilkington @phdisaster.bsky.social Assistant Professor at UNC Charlotte, College of Engineering.
Structural Engineer | Educator | Researcher | Weather nerd | Former storm chaser | VT Hokie | Colo. State Alum
The Open University Library @oulibrary.bsky.social The Open University (OU) Library enables OU students and staff around the world to access a world-class online library service. Visit www.open.ac.uk/library to get started.
Starter Pack for OU (UK) staff here: https://go.bsky.app/UhqW8VR
Open University UCU @oubucu.bsky.social Open University branch of the University and College Union (UCU)
Open University Graduate School, UK @ougradsch.bsky.social Celebrates Open University PhD and Professional Doctorate students and those who support them.
Reposts not endorsements.
Learning Design team at The Open University @ou-ld-social.bsky.social Sharing the @openuniversity.bsky.social Learning Design team’s approach to designing for student success. Using evidence and #StudentVoice to enhance the learning experience.
#HigherEd #LearningDesign #EdTech #DigitalInclusion #EDIA
Tag us or use #OU_LD
Susan Pawley @spawley.bsky.social Senior Lecturer, School of Maths and Stats, The Open University. SFHEA. Interests: SoTL in STEM distance education, supporting students with Maths Anxiety and community.
Notorious Cath @notoriouscath.bsky.social Open University Staff Tutor. Former schoolteacher.
❤️ Maths, Chemistry, SoTL
Green, pro-EU, lefty, woke- N Natalie Foster @nataliemfoster.bsky.social
Derek Jones @plug103.bsky.social Senior Lecturer in Design at The Open University. EdSIG Convenor for the Design Research Society. Co-Author of Studio Properties (pub Bloomsbury, Autumn 2025).
Also: recovering architect; nihilist (pragmatic); and defender of the Nation of Hilltown.
Catherine Rolph @catherinerolph.bsky.social Lecturer Open University. Environment, waste, bioaerosols, microplastics.
Christian Nold @softhook.bsky.social Stuff and Things
Helen Lockett @helenlockett.bsky.social Professor of Digital Engineering at the Open University. Views my own.
@niclotz.bsky.social @niclotz.bsky.social 
Helen Usher @tyseren.bsky.social Amateur astronomer battling South Wales weather!
PhD student at the Open University studying Rosetta's comet and ProAm collaboration
www.cometchasers.org education and outreach programme lead
Director https://britastro.org/sections/education-outreach
OUGS Social Media @ougeolsoc.bsky.social "Not just any Geol Soc, the OPEN UNIVERSITY Geol Soc!"
#OUGS, student association for the UK's OU Earth science/geology students (but anyone welcome!) Website: ougs.org. Social Media admin: Linda Fowler. Affiliated to Open SU @oustudents.bsky.social
Mr. Brutalism @jmings.bsky.social Official account of Mr. Brutalism. Architect/Founder of @aggregate-studio.com. Views are my own, y’all should love Brutalism and never skip Leg Day. He/Him/His
https://aggregate-studio.com
Bob (Robert) Summers @rjsummers.bsky.social Professor and Director, School of Urban and Regional Planning. University of Alberta. Also Director of the Sustainability Council at U of A. @rjscity on Twitter. Fun fact - I have the most popular comment in the history of the New York Times.
C20 Society @c20society.bsky.social The national charity campaigning to protect Britain’s modern architectural and design heritage. Reuse Them or Lose Them!
www.c20society.org.uk
Daniel Hewitt @danielhewittitv.bsky.social Investigations Editor: ITV News. Author: Left to Rot (2026) out now.
Presenter: The Trapped (podcast). Make documentaries, including Surviving Squalor (ITV). West Brom fan.
Kirsten Angermann @docopomo.bsky.social In short: architectural history + conservation, heritage studies, postmodernism. And cycling.
Forscht und schreibt zu Architekturgeschichte, Denkmalpflege, Ost- und Postmoderne. Mag Fahrradträger.
Marsha Ramroop @marsharamroop.bsky.social Inclusion|Strategy|Action
#Inclusion consultant & strategist|#Author|Speaker|Business: www.unheardvoice.co.uk Book: Building Inclusion, Routledge 2024|ExRIBA|ExBBC|Honest & compassionate agent of change #equity #culturalIntelligence #cq #BuiltEnvironment
Abigail Dombey @abigaildombey.bsky.social Energy & Sustainability Engineer.
Working in decarbonisation & sustainable infrastructure. Climate, energy, net zero.
She / her.
Maja Lorbek @majalorbek.bsky.social Architect and architectural historian. Vienna.
History of educational & architectural ideas, Austria, socialist Yugoslavia, postwar internationalism
Research project on the UIA Commission des Constructions Scolaires
https://transnationalarchitecture.org
Will Wiles @willwiles.bsky.social Author of several novels. "The Dead Man's Empire" is out now (Angry Robot). And so is the short story collection "The Anechoic Chamber & other weird tales" (Salt). Writes about architecture for @apollo-magazine.com. He/him.
Dave @dlequeu.bsky.social Architecture and words | PhD on Fredric Jameson and architecture
My Father’s Daughter @aninsggirb.bsky.social assistant professor of landscape architecture for the health of all living beings via psychocultural & behavioral analyses. spatial restitution = mattering to place-wellbeing. cortisol reduction-re-wilding. tell your dog I said hi.
alanbenzie @alanbenzie.bsky.social blah blah architecture, rah rah rah fonts, blah blah ginger beer, doof doof doof Acid House, rah rah rah dogs
Daniel Cantwell @danielhcantwell.bsky.social Registered architect.
Municipal musings, mainly.
Pär Hedefält @prhedefalt.bsky.social pedestrian architect, Malmö
Andrew Clancy @clancyandrew.bsky.social Architect & Educator ➕Director, Clancy Moore Architects➕Professor Kingston University ➕Professor Accademia Architettura Mendrisio ➕Board Member Arts Council Ireland. 
Charles Holland @charlesjholland.bsky.social Architect
Professor at UCA, Canterbury
Principal at Charles Holland Architects
Thandi Loewenson @thandi.bsky.social architectural designer-researcher / Space / matter / minerals 
Fred Scharmen @sevensixfive.bsky.social Nearsighted Optimist.
Nick Grant @ecominimalnick.bsky.social Energy consultant and design engineer. Specialising in Passivhaus building, archives and museums.
Teaching building physics with https://coaction.org.uk
The Good Building Book with Jon Broom - https://www.bloomsbury.com/uk/good-building-book-9781399417136/
Ben Adam-Smith @benadamsmith.bsky.social I help people build better homes. #Passivhaus #PassiveHouse #NaturalMaterials #SelfBuild
https://www.houseplanninghelp.com/
Marianne Heaslip @marianneh.bsky.social Workingtonian in Liverpool(home)/Manchester(work), UK.
Working on tools and processes for better building retrofit, mostly in houses, mostly for coops and community energy orgs. Keen on the need to #stopburningstuff.
Liz Lainé @lizlaine.bsky.social Sustainable homes, resilient communities, strategic #retrofit, data geekery, policy wonkery and the good life. #ukhousing #energyefficiency #proptech
Jonathan Atkinson @lowwintersun.bsky.social Live near Manchester (UK), work on citizen-led/co-op approaches to the energy transition as a way to tackle climate change. Interested in politics, urban design, anarchism, co-ops and football (not necessarily in that order). 
Alan Clarke @alanclarke.bsky.social Energy & buildings engineer, Passivhaus, mountain biker, veg gardener/rewilder
Robert Sakula @robert9841.bsky.social Architect