Registre de réutilisation de la chaleur Bitcoin
Réponse rapide
La réutilisation de la chaleur du Bitcoin est réelle, mais c'est de la chaleur abondante à BASSE température, et les déploiements honnêtes ne ressemblent en rien aux gros titres. Les ASIC refroidis à l'air rejettent de l'air à ~35-45°C — parfait pour chauffer une pièce, une serre ou sécher du bois, inutile pour tout ce qui exige de la vapeur. L'immersion et le refroidissement hydro atteignent de l'eau à ~60-75°C, c'est pourquoi les cas réels les plus solides sont les piscines et les spas (Bathhouse NYC chauffe quatre piscines et compense une facture de ~20-40 k$/mois tout en gagnant ~1,5 BTC/an) et le PRÉCHAUFFAGE de réseau de chaleur branché sur un réseau existant (Finlande, North Vancouver). Deux gros titres à ne pas croire : « une ville entière chauffée au bitcoin » et « 80 000 résidents » sont la population TOTALE du réseau de chaleur — le minage ne fait que préchauffer l'eau que des thermopompes portent à la température de distribution. Ce registre note chaque déploiement mesuré / rapporté / RP seulement pour distinguer les projets mesurés du marketing.
Le meilleur ajustement, prouvé : piscines/spas, PRÉCHAUFFAGE de réseau de chaleur basse température en climat froid, séchage à air pulsé, et chauffage résidentiel d'une pièce que vous feriez tourner de toute façon. Le plus faible : les pilotes de serre autonomes et tout radiateur grand public vendu comme « se rentabilise tout seul » — l'économie nette dépend de votre prix de l'électricité. Les hivers froids du Canada + l'hydro propre le rendent exceptionnellement bien adapté ; les exemples phares restent rapportés par les opérateurs, pas mesurés indépendamment.
measured chiffres publiés indépendants reported chiffres d'opérateur, plausibles PR-only allégation marketing, sans chiffres HPC analog réutilisation de chaleur de calcul, pas de bitcoin 🍁 canadien
| Déploiement | Catégorie | Échelle | Chaleur et économie | Preuve | Statut |
|---|---|---|---|---|---|
| Bathhouse (Brooklyn + Manhattan)Bathhouse (spa, self-mines) · New York, USA | water-heating | ~12 ASICs Brooklyn, ~20 Manhattan; Flatiron 14 miners (~2,600 TH/s) heat 4 pools + 3 hammams | Pools held ~40.5°C — a textbook match for immersion-ASIC low-grade heat. Brooklyn power ~$20k/mo, Manhattan ~$40k/mo (roughly unchanged); mining earned ~1.5 BTC in a year (~$90k reported) — heat that would otherwise cost gas/electric is offset while earning BTC | reportedFortune / TIME / MIT Tech Review / DCD | operational2023-2025 |
| Off-the-shelf ASICs have fans removed, are immersed in dielectric fluid, and a heat exchanger pipes the heat into pools (~105°F/40.5°C) and heated marble; miners idle once pools hit target. The best-documented commercial case — $ and BTC figures are operator-stated but consistent across multiple outlets. Strongest 'real economics' example here. | |||||
| MintGreen × Lonsdale Energy Corp 🍁MintGreen + Lonsdale Energy Corp (city utility) · North Vancouver, BC, Canada | district-heating | Deal targets ~100 buildings on LEC's loop (LEC's TOTAL network ~6,500 homes — bitcoin supplies a slice, not the whole grid) | >96% of mining electricity recovered as heat (operator claim); district loop is low-temp hot water, heat-pump boosted. GHG claim ~20,000 t CO2 reduced per MW vs natural gas (operator, not audited); no $ figures | reportedDaily Hive / District Energy / mintgreen.co | operational2021-2026 |
| Immersion 'Digital Boiler' ASIC systems feed recovered heat into LEC's existing hot-water district loop. Announced 2021 as 'world's first city heated by bitcoin'. 🔴 HONESTY: the '6,500 homes' headline is LEC's ENTIRE network capacity, NOT the bitcoin-heat fraction (~100 buildings). No third-party metered delivery numbers. Canada's flagship example. | |||||
| MintGreen × Shelter Point Distillery 🍁MintGreen · Vancouver Island, BC, Canada | industrial | 8× Antminer S9 in a rotating immersion 'tumbler' | Low-grade room/process heat (S9 immersion); no published temperature/kW. unverified | reportedmintgreen.co | operational2020-2026 |
| Eight immersion-cooled S9s heat the whisky barrel-storage room and assist the mash process. MintGreen's first commercial heat-offtake project. A genuine small real distillery deployment (the 'whisky' case). Operator-described only; no measured energy data. | |||||
| MARA Holdings district heatingMARA Holdings (ex-Marathon Digital) · Satakunta, Finland | district-heating | Phase 1 ~11,000 residents; scaled to a claimed ~80,000 across two districts | Air→water at 25-35°C, upgraded to 80°C by heat pumps — mining alone does NOT reach district temp. 'Avoided emissions equivalent to ~700 US homes' since 2024 (operator figure); no $ published | reportedDataCenterDynamics / CryptoSlate / Grist | operational2024-2026 |
| Mining exhaust air passes a heat exchanger warming water to 25-35°C, which district heat pumps boost to 80°C for the municipal grid. Launched June 2024. 🔴 HONESTY: '80,000 residents' is the district network's served population, NOT a metered mining-heat fraction — mining PREHEATS, heat pumps finish. Widely reported but figures originate with MARA. | |||||
| KryptoVault timber (and seaweed) dryingKryptoVault · Hønefoss, Norway | drying | 45 MW facility; heat piped to 12 timber-drying container skips | Warm exhaust air (air-cooled); enough to rapid-dry lumber. unverified (dramatic time-savings claim, no $) | reportedBitcoinist | operational2019-2023 |
| Hydropowered mining exhaust is channeled via corrugated pipes into twelve 'skips' to dry damp timber in ~4 hours vs 2-3 months of sun-drying. Seaweed drying floated as next step. A real, oft-cited industrial drying example. The '4 hours vs 2-3 months' is the operator's — plausible for forced-hot-air kiln drying, not independently measured. | |||||
| HeatCore + MicroBT heat recoveryHeatCore + MicroBT · China + Bellefonte, PA, USA (pilot) | industrial | >300 MW deployed globally by end-2024; HS05 household unit = 5 kW (WhatsMiner M64) | Hydro-cooling (water-cooled) enables higher-grade heat than air; HS05 ~5 kW. unverified | reportedNewswire (MicroBT/HeatCore) | operational2022-2025 |
| Has heated a commercial office and maintained constant-temperature fish-farming pools in China; a US pilot demonstrated fish hatchery, hydroponics and space heating from hydro-cooled miners. Seawater-desalination heating announced for 2025. '>300 MW' is total capacity, not verified heat-delivered. Multiple named use-cases but no independent performance numbers; desalination is announced, not proven. | |||||
| Genesis Digital Assets greenhouse pilotGenesis Digital Assets + RISE / Luleå University · Boden, Sweden | greenhouse | One 600 kW air-cooled container feeding a 300 m² greenhouse | Air-cooled exhaust (warm air, not hot water); 600 kW thermal source. unverified | PR-onlynews.bitcoin.com | pilot2020-2021 |
| A 600 kW mining container's exhaust heat is ducted to a 300 m² greenhouse growing fruit/vegetables; research partners studied fish, insect, algae and fruit-drying extensions. Announced Dec 2020 as an R&D pilot. Heavily press-released in 2020-21 with little follow-up on yields or continuation. Treat as a research pilot of uncertain current status — no harvest/economic numbers ever published. | |||||
| Heata networked server water heatersHeata (spun from British Gas/Centrica) · United KingdomHPC analog | water-heating | Trial: 10 units in British Gas employee homes; broader home rollout | Up to ~4.8 kWh/day into the cylinder (≥2.5 kWh contractual); domestic hot-water temps. Modeled savings up to £340/yr (offsetting electric hot water) or ~£120/yr (offsetting gas); free hot water to host | reportedTom's Hardware / Centrica | pilot2023-2025 |
| A compute server is bolted directly to a home hot-water cylinder; processing heat transfers into the tank for free hot water. Founding prototype was a literal bitcoin-miner-in-oil, since pivoted to general cloud compute. NOW general compute, NOT bitcoin — included because the founding prototype was a bitcoin miner and it's the clearest residential hot-water £-savings data point. Savings are modeled, backed by a real Centrica-confirmed trial. | |||||
| Qarnot 'Digital Boiler' / QBxQarnot Computing · France / Finland / Brescia, ItalyHPC analog | water-heating | ~30 sites across Europe; Brescia phase 1 = 30 QBx units, ~800 MWh thermal/year | Water out at ~65°C; ~95% of compute energy recovered; Brescia ~800 MWh/yr thermal. unverified (ADEME/ENGIE-backed social-housing pilots; no public $) | reportedDataCenterDynamics | operational2010s-2025 |
| Compute modules are cooled by water that exits at ~65°C and feeds building/district hot water. Brescia (with utility A2A) is the flagship district tie-in. HPC/cloud compute, NOT bitcoin — included as the closest proven compute-heat-reuse analog and because its 65°C water shows what liquid cooling unlocks vs air. Its ~800 MWh/yr is one of the few hard thermal numbers in this space. | |||||
| Heatbit Trio / Maxi 🍁Heatbit (consumer product) · Consumer product (incl. Canada) | residential | ~1,500 W/unit; Maxi up to ~39 TH/s, Trio ~10-14 TH/s (only ~400 W drives the chip) | ~1,500 W room heat (~35-45°C exhaust air); heats one room, not a house. Reviews: mining offsets only a small share of running cost; net economics hinge entirely on local electricity price; Trio BTC earnings described as 'negligible' | reportedBob Vila / independent reviews | operational2022-2026 |
| A designer plug-in space heater with an embedded ASIC; nearly all electricity becomes room heat while a fraction of value returns as BTC. Maxi retails ~US$1,249. Independent reviews exist (hence 'reported'). Honest framing: a premium electric heater with a small BTC rebate, not an investment. | |||||
| Canaan Avalon Mini 3 / Avalon Q 🍁Canaan (manufacturer) · Consumer product (incl. Canada) | residential | Mini 3: 37.5 TH/s, 800 W, ~21.3 J/TH; Avalon Q ~90 TH/s | ~2,730 BTU/hr (~800 W); ~80 sq ft primary heat; raises a 10 m³ room 15→21°C in ~10 min. unverified (no independent net-cost study; economics = electricity price minus BTC earned) | reportedHashrate Index | operational2024-2026 |
| A quiet (33-55 dB) home ASIC that doubles as an 800 W space heater — all 800 W becomes ~2,730 BTU/hr. Ships assembled, plug-and-play, with tip-over protection and thermostat cycling. Real shipping product with published specs. Heating figures are manufacturer specs; mining-vs-electricity economics are the buyer's to compute — no neutral third-party ROI data found. | |||||
| D-Central Bitcoin space heaters 🍁D-Central Technologies · Laval, Quebec, Canada | residential | From $235 CAD; S19 edition ~95 TH/s (or ~50-70 undervolted) ≈ up to ~11,090 BTU/hr; BitChimney = single-hashboard S19 convection | S19 edition up to ~11,090 BTU/hr; air-cooled (~35-45°C exhaust); single-room heat. unverified (product spec; net cost depends on local power + BTC price) | reportedd-central.tech (self-reported) | operational2016-2026 |
| Refurbished ASICs (S9, S17, S19, L3+) professionally converted into noise-dampened residential heaters in D-Central's Quebec workshop. The BitChimney is a 3D-printed vertical convection enclosure for silent operation. The registry owner's OWN product line — kept scrupulously neutral. Specs are D-Central's own (self-reported, so not 'measured'). Same honest caveat as every consumer heater: an electric heater with a BTC rebate whose economics hinge on local rates. | |||||
Données ouvertes (CC BY 4.0) : CSV · JSON · API : /wp-json/dc/v1/heat-reuse-registry
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Dernière révision: 27 juillet 2026.