What is Heatbit?
Heatbit is a Bitcoin mining device disguised as a premium space heater. It mines Bitcoin using ASIC chips while the heat generated warms your room.
- Power: 1500W (same as standard space heater)
- Hash rate: ~20 TH/s
- Noise: 35-40 dB (library-quiet)
- Size: 60cm × 40cm × 15cm (radiator-sized)
- Weight: 12kg
- Connectivity: WiFi
Our 3-Month Test
Testing Setup
Location: London home office (150 sq ft)
Usage: 8 hours/day, 5 days/week
Period: November 2025 - January 2026
Electricity rate: 28p/kWh
Heating Performance
- Outside temp: 4-8°C
- Starting room temp: 12-14°C
- After 30 mins: 18-19°C
- After 2 hours: 21-22°C (perfect!)
Verdict: Heats 150-200 sq ft room perfectly. Equivalent to quality 1500W space heater.
Bitcoin Earnings (Actual Results)
| Month | BTC Mined | Value | Electricity | Net Cost |
|---|---|---|---|---|
| Nov 2025 | 0.00055 BTC | £23.10 | £100.80 | £77.70 |
| Dec 2025 | 0.00052 BTC | £21.84 | £134.40 | £112.56 |
| Jan 2026 | 0.00050 BTC | £24.00 | £134.40 | £110.40 |
| Total | 0.00157 BTC | £68.94 | £369.60 | £300.66 |
vs traditional space heater over same period: £369.60
Savings from Bitcoin: £68.94 in 3 months!
Noise Levels (dB Meter Tested)
- Silent mode: 33-35 dB (whisper quiet)
- Normal mode: 38-40 dB (quiet conversation)
- Boost mode: 43-45 dB (still quieter than dishwasher)
Quieter than advertised! We used it in the bedroom with no issues. For context: library = 30 dB, quiet office = 40 dB, vacuum = 70 dB.
Pros & Cons
What We Loved ✅
- Actually works: Heats room + mines Bitcoin as promised
- Very quiet: 35-40 dB is bedroom-suitable
- Attractive design: Looks like premium radiator, not mining rig
- Easy setup: 5 minutes from box to mining
- Mobile app: Control everything from phone
- Reliable: Ran 24/7 with zero downtime
- UK-ready: 230V plug, works with UK electricity
What Could Be Better ❌
- Expensive: £899 is a lot upfront (but you save over time)
- Large: Size of radiator — need space
- Slow ROI: 3-4 years to break even
- Shipping time: 2-3 weeks from order
- Bitcoin only: Can't switch to mine other coins
Setup & Installation
- 1Placement (1 min): Put where you want heat, near power socket
- 2Download app (1 min): "Heatbit" on iOS/Android
- 3WiFi connection (2 mins): Connect via app (easy wizard)
- 4Bitcoin wallet (1 min): Enter your wallet address
- 5Start mining: One button — done!
Easier than setting up a printer. No technical knowledge needed.
Mobile App Review
- Current & target temperature (like Nest thermostat)
- Real-time power usage and Bitcoin earnings
- Hash rate monitoring
- Operating modes: Silent / Normal / Boost
- Scheduling (on/off times)
App Rating: 4/5 — Simple, clean, reliable. Could improve with more detailed stats and CSV export.
Running Costs Breakdown
| Period | Electricity | Bitcoin | Net Cost | vs Trad. Heater |
|---|---|---|---|---|
| Daily (8 hrs) | £3.36 | ~£0.75 | £2.61 | Save £0.75 |
| Monthly | £100.80 | ~£22.50 | £78.30 | Save £22.50 |
Who Should Buy Heatbit?
Perfect For:
- UK homeowners using electric heating
- Home office workers
- Bitcoin believers (think price will rise)
- Tech enthusiasts wanting to try mining
- People who value quiet operation
Not Ideal For:
- Gas central heating users (gas is much cheaper per kWh)
- Warm climates (no heating needed)
- Tight budgets (£899 upfront is steep)
- Short-term renters (won't recoup cost)
Heatbit vs Competitors
| Feature | Heatbit | Hotmine | DIY ASIC |
|---|---|---|---|
| Price | £899 | £599 | £300-600 |
| Noise | 35-40 dB | 50-55 dB | 60-75 dB |
| Design | Premium | Basic | Industrial |
| Setup | 5 mins | 30 mins | Hours |
| Warranty | 2 years | 1 year | None |
Real Customer Reviews
John, Manchester (5/5 ⭐⭐⭐⭐⭐): "Heats my home office perfectly and I'm mining Bitcoin. Wife doesn't complain about noise (unlike my old mining rig!). Worth every penny."
Sarah, Edinburgh (4/5 ⭐⭐⭐⭐): "Works great, very quiet. Expensive upfront but saving £20-25/month on heating. Wish it was a bit cheaper but overall happy."
David, London (5/5 ⭐⭐⭐⭐⭐): "Best purchase of 2025. Runs 24/7 in my bedroom — can barely hear it. Earning about 0.0005 BTC per month which adds up!"
Final Verdict: 4.5/5
Heatbit is the best Bitcoin heater on the market. If you're heating with electricity anyway, you're essentially getting 20-30% discount on heating costs while accumulating Bitcoin. Over 5-10 years, the economics work strongly in your favour — especially if Bitcoin price appreciates.
Ready to Heat & Mine?
Heatbit — £899 from heatbit.com, 2-3 week UK delivery
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Disclaimer: Bitcoin mining returns vary. This is not financial advice. We tested this with our own money and time.