arqnetwork @arqnetwork.com The free professional platform for the built environment.
Based in the UK.
Kym Mead @kymmead.bsky.social Director, PH Certifier. Arsenal season ticket holder. Muay Thai enthusiast. Stormtrooper.
Nick Simpson @iamnicksimpson.bsky.social Architecture | Sustainability | Politics | Passivhaus | Cycling | Cities | EU
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,...
Passive House Accelerator @phaccelerator.bsky.social Empowering Architects & Builders with insights from the #PassiveHouse community to design+build better buildings, faster - while not warming the planet.
Cosy Homes Oxfordshire @cosyhomesoxon.bsky.social Have you been putting off upgrading your home? We get it. Life’s busy, and it’s easy to let another year slip by. But cold draughts in winter, stuffy rooms in summer – and a home that isn’t kind to the planet – won’t fix themselves. But....
Kate Raworth @kateraworth.bsky.social Author of Doughnut Economics, Co-founder of Doughnut Economics Action Lab, Senior Teaching Fellow at Oxford Uni Environmental Change Institute. doughnuteconomics.org
UK Research and Innovation @ukri.org The UK’s largest public funder of research. Our mission is to advance knowledge, improve lives and drive growth.
#FundedByYou
Also autoposting to @news.ukri.org, @funding.ukri.org, @blogs.ukri.org and @events.ukri.org. Topic specific feeds coming soon!
Centre for Climate Adaptation & Environment Research @caer-bath.bsky.social Centre for Climate Adaptation & Environment Research, University of Bath. Our research ranges from enhanced understanding of climate change to developing mitigation and adaptation suitable for our natural and built environment.
Dezeen @dezeen.com The world's most influential architecture, design and interiors magazine.
www.dezeen.com
Mike Pitts @pittso.bsky.social Deputy Director at Innovate UK for Clean Energy. Welsh. Chemist. Hypenotic. ChesterSciBar. Catalyst Science Discovery Centre. Passionate about the power of stories and innovation. Some whimsy. Opinions own.
Loco Home Retrofit CIC @locohome.bsky.social Holistic home improvement support for households, trades and local gov on maintenance, heat pumps, insulation and healthy ventilation.
Community energy coop/ community-led action on climate change/ home improvement agency.
Greater Glasgow, Scotland
Enid Roberts @enid798.bsky.social Cymraes / HowGet - Mostly retired, gwraig, mam, nain. Social Housing NED, Community Energy, Breeze, Triathlete. Can be found on my bike or in a lake
@kdbnicol.bsky.social @kdbnicol.bsky.social Buildings PassivHaus Energy Communities Forests
Built Environment - Smarter Transformation @be-stbuild.bsky.social BE-ST is your launchpad to a net zero carbon built environment.
@ecoericparks.bsky.social @ecoericparks.bsky.social 
Ellora Coupe @herretrofitspace.bsky.social Empowering professional women in the retrofit industry.
@heat-geek.bsky.social @heat-geek.bsky.social 
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
Adam Chapman @chiefgeekad.bsky.social Chief Geek at Heat Geek, pedant and obsessive. 
Madeleine Gabriel @madgabes.bsky.social Director of the Sustainable Future mission at Nesta - working on decarbonising UK homes, and interested in all things energy and climate related. Views my own
IMS Heat Pumps @imsheat.bsky.social IMS Heat Pumps: We are a proud family & friends business with roots in Perth, Scotland & Sheffield, England.
Since '97 we've been delivering top-notch design, installation, service & maintenance of Ground & Air Source Heat Pumps.
Renewable Heat @renewableheat.bsky.social 
Dr Matthew Aylott @renewablewriter.bsky.social Electrification of Heat Policy Lead in the Dept for Energy Security and Net Zero. Policy Fellow at University of Cambridge Centre for Science and Policy. Former Bioenergy Researcher. Spreading news & views on energy in a personal capacity.
Costa Samaras @costasamaras.com Climate, energy, emerging tech, resilience, & policy professor. Carnegie Mellon Univ. Institute for Energy Innovation Director. Former Biden-Harris White House OSTP Chief Advisor for the Clean Energy Transition. Personal account. He/Him. costasamaras.com
Jaime Palter @jaimepalter.bsky.social Oceanographer, professor, Mom, Rhode Islander. Here to learn and connect with ocean, climate, energy crowd. 
James Temple @jtemple.bsky.social Climate and energy editor, Reno bureau chief, MIT Technology Review. Ski bum. Dog dad.
Please send tips (not PR pitches) through Signal: jtemple.99
Shannon Osaka @shannonosaka.bsky.social climate *zeitgeist* reporter for @washingtonpost.com. Reach me on Signal: smosaka.27
Naomi Klein @naomiaklein.bsky.social "End Times Fascism" book coming September 2026.
Doppelganger. This Changes Everything. The Shock Doctrine. No Logo. On Fire.
UBC Professor of Climate Justice.
🔗 https://linktr.ee/naomiklein
OpenEnergyMonitor @openenergymon.bsky.social Open-source tools for energy monitoring and analysis.
Alex @alexbutcher.bsky.social Heat pump positive 💪
Edinburgh 🏴
Founder: warmur.co.uk 🏡 🍃
Bill McKibben @billmckibben.bsky.social Founder 350.org and Third Act, author The Crucial Years on substack https://billmckibben.substack.com/
Author of 21 books, beginning with The End of Nature
Glyn Hudson @glynhudson.bsky.social Co-founder of @openenergymon, passionate about energy transition and low carbon travel. Love rock climbing, cycling & outdoor adventures, 9yrs #FlightFree https://openenergymonitor.org https://heatpumpmonitor.org https://zerocarbonadventures.co.uk/
Timbones @timbones.bsky.social Software engineer, living and working near York, father of two.
Messes about with heat pump performance data "for fun".
Reposts are other people's opinions.
Andrew Cunningham @thesuburbanpirate.bsky.social 
Mick Wall @zarch1972.bsky.social Husband, Dad, Wednesdayite, Retro Fan & Geek.
Creator of @energystatsuk website.
Creator of https://trustedheatpumpinstallers.co.uk/
Jack Policar @jackpolicar.bsky.social Head of Innovation at Climate Collective and co-founder at TradesFirst- Electrification-focused contractor co-op
Robert J Whitney @robertjwhitney.bsky.social IEng MIET FCIPHE Fornax Technical Director, Heat Pump owner, Heat Pump system designer, Electrification Enthusiast, Efficiency! ♨️✊⚡️
Harris Berton @harrisberton.bsky.social Climate dad, Canadian energy policy nerd. I post about energy technologies and how we can use them to stop climate change. Views my own. #energysky
Leah Stokes @leahstokes.bsky.social Professor of climate + energy policy at UCSB. Alumni of MIT, Columbia and UToronto. Hosts "A Matter of Degrees" podcast. Cuts carbon pollution! Proudly 🇨🇦 Gardener 🌱 leahstokes.com; Newsletter: electricnotes.news
Technology Connections @techconnectify.bsky.social I'm that YouTuber who taught you how dishwashers work. Guess I'm tryin' out the whole Bluesky thing now.
he/him
https://www.youtube.com/technologyconnections
Kevin J. Kircher @kevinjkircher.com Engineering prof (mechanical + electrical) at a big Midwest state school. Energy, climate, buildings, power grid, control, optimization, data science. He/him. Personal account. https://kevinjkircher.com/ Email: my last name at purdue dot edu
Sara Hastings-Simon 🇨🇦 @shastingssimon.bsky.social Currently on partial medical leave and Associate professor, Dept of Earth, Energy, and Environment, University of Calgary; co-director Electricity Centre; energy/mid-transition/carbon/innovation policy + bikes.
Lissa Harris 🌈🗑️🔥⚔️🐀 @lissaharris.bsky.social COP is stored in the ovaries
pompe à chaleur. recovering local digital news reporter. rural volunteer firefighter. Gideon the Sixth. your favorite deep state climate bureaucrat’s favorite shitposter
she/her/bro 🔌⚡️
Katy King @katyking2.bsky.social Deputy Director, A Sustainable Future
@nestauk.bsky.social ex @bitglobal.bsky.social
Posts in a personal capacity about behavioural science & household decarbonisation.
Ian McKee @ianmck.ee Climate and electrifying stuff. Head of Communications at ChargeUK, the voice of the EV charging industry. Muso. Cyclist. Runner. Wiltshire dweller. He/him. 🏴/🇲🇽
Good Energy @goodenergyuk.bsky.social Solar, heat pumps, home batteries, export tariffs and genuinely renewable power from over 2,500 independent generators - that's Good Energy. B Corp certified.
guynewey @guynewey.bsky.social CEO at Energy Systems Catapult. Helping clean tech innovators thrive in the future energy system.
Ex-SPAD/PAD/wonk/hack. Uncertain about much....
John Semmelhack @johnsemmelhack.bsky.social HVAC + Home performance contracting www.comfortsquad.us
CEO (Chief Electrification Officer)
Minister of Heat Pumps (Southeast)
Love this👆but I'd rather be on my bike
Ben Barclay @benbarclay.bsky.social Translator and textbook writer. Post on climate, energy, health, Spain, Brexit and other stuff.
Produce VoiceMap audio tours of Andalucía: https://voicemap.me/publisher/ben-barclay#tours
https://andalucia-bound.com
@andalucia-bound.bsky.social
Brendan Haley @brhaley.bsky.social Policy director for an energy-efficient economy with Efficiency Canada. Adjunct professor at Carleton Public Policy - climate, industrial policy & 🇨🇦 political economy. Ex-pat Nova Scotian in Ottawa.
Rhiannon de Wreede @drrhidewreede.bsky.social Warmur renewables
Leah Robson @yeyw.bsky.social Make your Home Powerful. Founder and CEO of Your Energy You Way. Personalised green energy solar and heat pump solutions from the company dedicated to developing the industry’s future.
Robert Metcalfe @rmetcalfe.bsky.social Economist, Prof at Columbia University.
Chief Economist: Centre for Net Zero (Octopus Energy Group).
Co-editor: Journal of Public Economics.
1st gen, 🏴
https://www.rmetcalfe.net/
Andrew Schein @the-scheining.bsky.social EA adjacent 😎🧐. By day at Centre for Net Zero. By night Tyrese Maxey and Vasa Micic superfan.
Destenie Nock, PhD @destenie.bsky.social Professor at Carnegie Mellon University. Energy Affordability. Energy & Climate Justice. Macro Energy Systems Modeling. CEO - Peoples Energy Analytics. Named a 2024 Science Defender. Nonfiction rep: @laurieabkemeier. Fiction rep: @ajvanbelle
Drew Tozer @drewtozer.bsky.social Installing heat pumps for comfortable, healthy, sustainable homes in Toronto, Canada.
Every HVAC contractor is a climate company.
https://foundryheatpumps.ca
Morgan Edwards @energymorgan.bsky.social Professor at the University of Wisconsin--Madison. Energy systems and climate policy. Check out my work at: climateactionlab.com
Clean Energy Works @cleanenergyworks.bsky.social Clean Energy Works accelerates inclusive investments that open the #cleanenergy economy to all. #energyefficiency #transportationelectrification #equity
Passive House Association of Ireland @passivehouseie.bsky.social The Passive House Association of Ireland is a not-for-profit organization promoting the Passive House standard, educating the public on low-energy building solutions for Ireland and its citizens.
The Passive House Network @phnetwork.bsky.social We provide high-quality education so you can build safe, healthy, comfortable, and energy-efficient buildings. Creating a Passive House knowledge network since 2011.
UK Green Building Council @ukgbc.bsky.social The official account of the UK Green Building Council |
The voice of our sustainable built environment.
https://ukgbc.org/
@phmnorg.bsky.social @phmnorg.bsky.social 
Straw Building UK @strawbuildinguk.bsky.social We aim to promote best practice for straw building 🌾🏡
https://www.strawbuildinguk.org
https://linktr.ee/StrawBuildingUK
Jason Walsh @jwparis.bsky.social Fixer.
Paris.
Green Builder Media @greenbuildermedia.bsky.social The leading media company in the North American residential building industry focused exclusively on green building since 2004.
Visit us at greenbuildermedia.com
DAVIDLOMAX @davelomax.bsky.social Architect / AD: Waugh Thistleton
Chair: Southwark DRP
Tutor (ex): LSA London, UCA Canterbury, Fay Jones School AR
Kelly Alvarez Doran @kellyalvarezdoran.bsky.social Co-Founder of halfclimatedesign.com
Bryn Davidson - Lanefab @lanefab.com A beautiful home,
in a healthy city,
on a thriving planet
Lanefab Design / Build
Oori Architecture
B.Eng M.Arch
www.Lanefab.com
Vancouver BC
#ThickWallsAreSexy / #SingleStair / #ElectrifyEverything / #Passivhaus
Michael Burchert @michaelburchert.bsky.social 🇪🇺 Educator, Speaker, Builder, Activist. Regenerative construction.
That #strawhouse guy.
Fixing mistakes @ built environment. Independent #Bauwende construction revolution advocacy, english & german word salad, enjoy! https://linktr.ee/michaelburchert
Robbie McG @robonni.bsky.social Sustainability wonk, lover of sports and weekend chauffeur for kids to Gaa and soccer
Jorge Chapa @jochapa.bsky.social Chief Impact Officer at Green Building Council of Australia (@gbcaus). Board member @Greenfleet. Makes great tacos.
Wain Morehead Architects @wmaarch.bsky.social Performance driven architecture
Gregory Duncan @duncanarchitect.bsky.social Designing comfortable, healthy, energy-efficient buildings
Certified Passive House Designer
Registered Architect in NY and NJ
Orla Hegarty @orla-hegarty.bsky.social Architect Asst Professor @UCDDublin @UCDArch FRIAI RIBA ARB opinions my own #Housing #Architecture #Construction #CovidIsAirborne #ClimateAction
Andy Simmonds @moreourselves.bsky.social Design & research initiative for hot climates.
ARC: architecture for resilient communities
www.actionresearchprojects.net
- Research & Collaboration
- Pilot Projects
- Volunteer Expert Group
- Knowledge & Skills Exchange
www.simmondsmills.com
Jennifer Crawford @ournewhomecoach.bsky.social Once was an architect.
Wangal land. DOB 329.43 ppm CO2. #GenXClub 🤞#NoDickheads.
I receive DMs from mates. Any others will be deleted without response.
I can’t send you money. Refusal may offend.
I HATE MICROSOFT.
They’re skeets.
Robert White @robwhiteat.bsky.social Technical Associate at @ArchitypeUK ¦ Architectural Technologist ¦ Passivhaus Designer - Passivhaus Dweller - views my own
Paul McNally @paulmknally.bsky.social PassivHaus Architect in Cork Ireland. Lecturer. Musician. Politics.
Mel Reynolds @maoiliosarey.bsky.social Architect, Project Manager, Conservation Architect, Certified Passive House Designer "Do less, better”
John Barry Lowe @teachspruis.bsky.social Architect, Director EDEN architects, Certified Passive House Designer, Architecture Design Fellow APEP-University College Dublin
Dr. Barry Mc Carron @bmccarron.bsky.social MD @KORERETROFIT, Passive House Expert, Climate Advocate, Sports Fanatic, Music Lover, Passion for Travel.
Helena Fitzgerald @helenafitzgerald.bsky.social Head of Societal Engagement at Technological University Dublin
Views expressed are personal.
Andrew Michler @andrewmichler.bsky.social I design buildings at Hyperlocal Workshop hyperlocalarch.com
I wrote a book [ours] Hyperlocalization of Architecture
Also co-creator @ Sol.coffee
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
Stephen O’Shea @architectgp.bsky.social Architect + CPHD, now working in Sustainability. 🏃🏻♂️🚴♂️🏉⚽️ Multiple cats & kids. Born at 326 ppm so I got to see David Bowie, James Brown, Stevie Wonder and Prince live.
Header picture by @RiotGrlErin
RetrofitRuss @retrofitruss.bsky.social MD, Parity Projects (@parityprojects) of @cotality. Founder, NED, RetrofitWorks (@retrofitworks). Founder Director @NatRetrofitHub. Chartered Civ Eng. Personal views here.
Adam Vaughan @adamvaughan.bsky.social Environment Editor at The Times. Clean it Up water campaign. When not working, usually running. Previously New Scientist and Guardian.
adam.vaughan@thetimes.co.uk
Insta: https://www.instagram.com/adamvaughanjournalist
Signal: adamvaughan.53
Maria Vico @mariavico.bsky.social BIM Architect, specialist in #Passivhaus #nZEB #sustainableDesign. Reducing carbon footprints at Castaño&Asociados winner of the Iberoamerican Passivhaus Contest.
Mark Stephens @architectmark.bsky.social Mark Stephens - MRIAI Architect & Certified Passivhaus Consultant.
Architecture Lecturer at ATU Sligo
Handy with Vectorworks
Shane Fenton @shanefenton.bsky.social Dad, GAA, NFL, Passive House, Building Performance, ZEB, Embodied Carbon etc., etc..
Architect at Wain Morehead Architects
www.wma.ie
https://www.linkedin.com/in/shanemfenton/
Helena McElmeel Architects @mcelmeel.bsky.social Architecture_Passive House_Public Realm_Urban Design_ Engagement
Associated Architects @associateda.bsky.social Employee-owned, multi-award winning, AJ100 practice, transforming ways to live, work & learn for the better.
Birmingham | Leeds | Oxford
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.
Thorne Wyness Architects @thornewyness.co.uk Architects based in Tobermory on the Isle of Mull, Scotland. Passive house and low energy design. http://thornewyness.co.uk
Adam Vaughan @tracinggreen.bsky.social Director at JDDK Architects (http://jddk.co.uk) and editor of Tracing Green blog (http://tracinggreen.uk) on green building and eco lifestyles. All views are my own.
Tim Danson - Architectural Technology @td-at.bsky.social Interested/user of:
#ArchitecturalTechnology, #BIM & #DigitalTwins, #Retrofit, #EnerPHit, #Passivhaus, Carbon Sequestering Materials and the #CircularEconomy. #Autistic #ADHD. Also on LinkedIn www.linkedin.com/in/td-at
Robert Dunlop RHD Architects @rhdarch.bsky.social RHD Architects - Passive House Designer - #bespokedesign #passivhausdesigner #lowenergy #parkrunner #RIBA #ARB #RSUA www.rhdarchitects.co.uk
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.
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.)