Version 1.0
2025
Confidential: For licensed manufacturing & distribution partners only
Overview
Name: Lyn.Sauna
Concept: Modular Nordic sauna integrating Bitcoin-mining heat reuse
Core Unit: 2.2 × 3.3 m (M1)
Modules: M1–M6
Designed by: Groundwork
Edition: Limited run of 2,100 units
lynbitcoin.com 2025
Core Features
Feature | Description |
Dimensions (M1) | 2.2 × 3.3 × 2.3 m |
Capacity | Up to 4 persons |
Energy Source | Stove + Bitcoin miner (S19-class) |
Power Rating | Stove 8–12 kW · Miner 3.0–3.5 kW |
Materials | Black thermowood exterior · aspen/alder interior · slate roof edge · panoramic glass wall |
Heat Reuse | Miner preheats air ≈ 40 °C → cuts stove energy up to 30 % |
Mining Yield (est.) | ~0.014 BTC / yr (95–110 TH/s; variable) |
Modularity | M1–M6 interlocking modules |
Warranty | 2 yrs standard / 5 yrs structural |
Module Summary
Module | Description |
M1 – Core Sauna | Main thermal envelope · panoramic glass · Stove · aspen benches |
M2 – Dock | Cold-plunge deck with anti-slip thermowood |
M3 – Changing Room | Skylit · acoustic · preheated via miner |
M4 – Mining Integration | Antminer S19-class enclosure + duct system |
M5 – Outdoor Shower | Wall-mounted · frost-proof · stainless fittings |
M6 – Storage | Rear cabinet for towels · robes · accessories |
Performance Highlights
Metric | Estimate |
Preheat to 40 °C | 20–30 min (miner only, 0–10 °C ambient) |
Heat to 85 °C | 35–45 min (combined) |
Energy Savings | 25–30 % vs conventional |
Noise Level | ≤ 45 dB(A) in changing room |
BTC Yield (est.) | 0.01–0.015 BTC / yr |
Energy Saved | 180–270 kWh ≈ €36–54 |
CO₂ Avoided | 90–135 kg / yr (Nordic mix) |
Use Cases
- Private homes (off-grid / lakeside)
- Resorts and retreats (Nordic wellness integration)
- Hotels and campsites (sustainable spa modules)
- Educational / Bitcoin mining showcases
Contact
sauna@lynbitcoin.com
Global Requirements
- CE & EU compliance (2014/35/EU, 2014/30/EU, EN 12150, EN 1279, EN 1111 etc.)
- Electrical: 230 V 1~ / 400 V 3N~ · RCBO Type A · IPX4+
- Timber: FSC/PEFC · thermally modified pine/spruce (exterior) · aspen/alder (interior)
- Fasteners: A4 stainless · hidden fixings
- Finishes: Exterior black matte stain/oil · interior untreated
- Packaging: Flat-pack modules · moisture barriers · labeled sub-kits
M1 — Core Sauna
Purpose: Primary thermal envelope and user space
Key Components
- Thermowood cladding (black stain · fire class D-s2,d0)
- IGU 10/12/10 glass wall (EN 12150 + EN 1279 · U ≤ 1.1 W/m²K)
- Side-entry glass door 8–10 mm · self-close hinges
- Benches (aspen/alder 28×140 mm · R5 edges · concealed brackets)
- Roof bituminous membrane + slate edge
- Electric stove 8–12 kW (CE · IPX4)
- Passive vent system (high/low)
M2 — Dock
- Frame galvanized steel (EN ISO 1461) or marine aluminum
- Deck thermowood 26×120 mm · anti-slip profile
- Black steel guard rail · hidden fasteners
M3 — Changing Room
- CLT or stud walls · acoustic lining (Rw ≥ 35 dB)
- Skylight EN 14351-1 · warm-edge spacer
- Bitcoin miner heat preheats to ≈ 40 °C
- Interior aspen · bench · hook rail · heated floor
- Lighting IP44+ · RCBO protected
M4 — Mining Integration
- Antminer S19-class (95–110 TH/s · 3–3.5 kW · PF ≥ 0.95)
- Acoustic cabinet ≤ 45 dB(A) in room
- Duct Ø160–200 mm · insulated · backdraft dampers
- Inline silencers ≥ 600 mm each side
- Filter G4 intake · EC fans as needed
- Dedicated 16 A RCBO · IEC C19 plug
- Thermostat relay · over-temp cut-off 60 °C
M5 — Outdoor Shower
- Thermostatic mixer EN 1111 · frost-proof valve
- Stainless head and handset · ½″–¾″ pipework
- Drain to gravel pit or storm system
M6 — Rear Storage
- Exterior-grade ply or compact laminate · black finish
- A4 stainless hinges · vented panels · drain mat
Cross-Module Interfaces
- Pre-routed conduits M3↔M4↔M1 for power and sensors
- Air path Ø160–200 mm knock-outs · blanking plates
- Datum grid alignment per A-100 drawings
QA Checklist
- Dry-fit tolerances ± 2 mm interfaces
- Electrical load and IR scan tests
- Vent and noise measurement (miner @ 100 %)
- Thermal preheat curve 40 °C + full cycle 85 °C
- Water pressure / leak test (M5)
Documentation from Partner
- CAD / BIM files (IFC + DXF)
- Electrical and airflow schematics
- Installation / commissioning SOPs
- Material datasheets and certificates
- Spare-parts list (5 yr availability)
Labeling and Packaging
- Modules: M1–M6
- Subassemblies: STR · ENV · INT · ELEC · HVAC · PLBG · GLZ
- Each crate label with Module, Subassembly, Item #, Qty, Drawing Ref
Stove Sizing Guide
Volume (m³) × insulation factor → select 8–12 kW.
With miner preheat (~40 °C) expect ≈ 30 % shorter heat-up time (estimate only).
Legal / Disclaimer
All technical data and energy figures are scenario-based estimates.
Mining and BTC markets are volatile.
Not financial advice.
All rights reserved © Lynbitcoin · Copenhagen 2025 · VAT DK44170272