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Juraj Mikurcik

@jurajmikurcik.bsky.social

946 Following4.4k Followers

Architect living in rural Herefordshire. UK support for ecococon.eu straw wall panels and Ecological Building Systems. Rides bikes.

Living in a 100% electric bio-based passivhaus with zero energy bills, see the blog: oldholloway.wordpress.com

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@michaelburchert.bsky.socialOct 11, 2026, 7:44 AMReposted by @jurajmikurcik.bsky.social

Looking forward to seeing the "Strawbrick eco 1:1 demonstrator" at IBA27 in Stuttgart. #strawbuiling #strawhouse
Half the construction industry wants to get climate neutral with straw, whether as an aggregate, bioenergy or as biochar. What if everything were simply made from straw?

Demo wall mockup of highly compressed interlocking straw bricks with partial plaster. Foto Luca Mann
@jurajmikurcik.bsky.socialOct 11, 2026, 7:48 AM

A short film about Rustenburgstraat project in Eindhoven 🇳🇱 89 social housing homes built with biobased materials including EcoCocon straw panels

@jurajmikurcik.bsky.socialOct 10, 2026, 6:38 AM

Good morning blue sky

Orange sunrise
@jurajmikurcik.bsky.socialOct 9, 2026, 10:40 AM

Llandrindod?

@jurajmikurcik.bsky.socialOct 9, 2026, 7:25 AM

It never ends

@jurajmikurcik.bsky.socialOct 8, 2026, 8:51 AM

Had a good time at the Structural Timber conference in Birmingham yesterday, plenty of good talks and buzz around our Ecological stand. Didn't get any silverware at the evening awards for the @ecococon.bsky.social straw wall system but it's the taking part that counts right?

@jurajmikurcik.bsky.socialOct 6, 2026, 7:56 PM

Attitude probably more than anything else

@jurajmikurcik.bsky.socialOct 6, 2026, 9:37 AM

Yes you'd think so, but we're usually hitting a brick wall when talking to developers

@jurajmikurcik.bsky.socialOct 6, 2026, 8:09 AM

On my way back from the annual meet up of @ecococon.bsky.social partners. Lots of inspiring conversations and ideas. Let’s scale up straw construction 🌾

@jurajmikurcik.bsky.socialOct 1, 2026, 8:43 PM

Battery range typically drops in colder winter temperatures by about 20% here in UK, I suspect it would be more in Finland.

@jurajmikurcik.bsky.socialOct 1, 2026, 8:31 PM

They are great bikes

@jurajmikurcik.bsky.socialOct 1, 2026, 6:13 AM

Guten morgen blau himmel

Sunrise over Germany
@jurajmikurcik.bsky.socialOct 1, 2026, 5:57 AM

Sorry not this year, hopefully next year for a 10 year anniversary

@jurajmikurcik.bsky.socialOct 1, 2026, 5:56 AM

There’s a separate Grundfos pump

@jurajmikurcik.bsky.socialSep 30, 2026, 8:10 PM

Ouch! Speedy recovery for the dog and your wallet

@jurajmikurcik.bsky.socialSep 30, 2026, 12:30 PM

Alt text: EV charger with stolen cables

@jurajmikurcik.bsky.socialSep 30, 2026, 10:32 AM

Haven’t come across this before

EV charger with stolen cables
@jurajmikurcik.bsky.socialSep 30, 2026, 10:19 AM

I wouldn't ignore the towel rails as they are basically running for about 6 months of the year (when the clocks change). During the summer season we have about 3 heating cycles for the DHW cylinder per day, in winter season it's 5 cycles. So I'd say total is around 500kWh or 5kWh/m2a

@jurajmikurcik.bsky.socialSep 30, 2026, 10:13 AM

It's ducted to outside. Free cooling would help in summer but not so much in winter. I think @estresidder.bsky.social has one without ducting

@jurajmikurcik.bsky.socialSep 29, 2026, 2:15 PMReposted by @jurajmikurcik.bsky.social

Just updated energy demand figures for our electric & heatpumpified passivhaus home. Cooling demand crept up during the summer heatwaves, but is still relatively low compared with hot water generation demand. And zero energy bills thanks to a combination of PV system and battery storage.

Graph showing weekly energy demand for hot water generation and air to air mini split unit for space cooling or heating, over a period of 12 months. Hot water generation demand much bigger overall.
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