Thewindminer K9
Professional-Grade Miner
This miner draws 3,300W and produces 75+ dB of noise — it is designed for dedicated mining environments, not living spaces. Professional-grade miners deliver the highest hashrate and revenue per unit but require proper infrastructure: a 240V circuit, adequate ventilation or exhaust ducting, and a space where noise is not a concern (garage, basement, warehouse, or outdoor enclosure).
For home miners looking for a quieter alternative, consider our Bitcoin Space Heater builds or explore open-source miners like the Bitaxe that are purpose-built for residential environments.
Heater-Class Miner
At 3,300W, this miner outputs approximately 11260 BTU/hr of heat — equivalent to a standard electric space heater. Every watt consumed by an ASIC miner is converted to heat with 100% efficiency, making it a space heater that also mines Bitcoin.
During heating season, the electricity cost of running this miner replaces your heating bill — and you earn Bitcoin on top. In cold climates like Canada, this dual-purpose approach can dramatically improve mining economics. D-Central offers purpose-built Bitcoin Space Heater editions with noise reduction, duct adapters, and heater-mode firmware for seamless home integration.
Profitability Calculator
| Period | Revenue | Electricity Cost | Profit |
|---|---|---|---|
| Daily | $0.33 | $5.54 | $-5.21 |
| Weekly | $2.31 | $38.81 | $-36.50 |
| Monthly | $9.90 | $166.32 | $-156.42 |
| Yearly | $120.50 | $2,023.56 | $-1,903.06 |
Heating offset estimates the value of heat replacing an electric space heater during heating season (~6 months/year in Canada). Actual savings depend on your heating setup and climate.
Where to Buy the Thewindminer K9
D-Central Technologies is a Bitcoin-only company. For this miner, check out our trusted partner retailers below.
ASIC Miner Market
United StatesWide selection of new and used ASIC miners. US-based shipping.
Shop NowPartner links may earn D-Central a commission at no extra cost to you. Have you considered Bitcoin mining instead? Explore Bitcoin miners →
Full Specifications
| Model | Thewindminer K9 |
| Model Number | K9 |
| Manufacturer | Thewindminer |
| Algorithm | KHeavyHash |
| Coins Mined | Kaspa (KAS) |
| Hashrate | 10.3 TH/s |
| Power Consumption | 3,300 W |
| Efficiency | 320.4 J/TH |
| Dimensions | 305*185*290mm |
| Weight | 14.8 |
| BTU Output | 11260 BTU/hr |
| Equivalent Heater | Equal to a 3,300W space heater |
| Daily Power Cost | $5.54/day |
| Monthly Power Cost | $166.32/mo |
| Circuit Requirement | 240V circuit required |
| Release Date | 2023-11-01 |
| MSRP | $15,429.40 |
| Status | Active |
Home Mining Assessment
Related Miners
Iceriver KS2
Iceriver KAS KS2 LITE
Iceriver KS5L
IceRiver KS5L
Frequently Asked Questions
Is the Thewindminer K9 profitable?
At $0.07/kWh, the Thewindminer K9 currently operates at a daily loss of $5.21. However, profitability can improve with lower electricity rates or rising BTC prices. If used as a space heater, the heating offset may make it economically viable.
Can I mine Bitcoin at home with the Thewindminer K9?
The Thewindminer K9 has a home mining score of 22/100. With 0 dB noise and 3,300W power draw, it may require a dedicated space like a garage, basement, or outdoor enclosure. Consider noise insulation and proper ventilation.
Can the Thewindminer K9 heat my home?
The Thewindminer K9 outputs approximately 11260 BTU/hr of heat. For reference, a typical space heater produces 5,000-5,500 BTU/hr. All electrical energy consumed by the miner is converted to heat, making it 100% efficient as a heater. D-Central offers Bitcoin Space Heater builds designed specifically for home heating integration.
What power supply does the Thewindminer K9 need?
The Thewindminer K9 draws 3,300W of power. You need a power supply rated for at least 3,630W with appropriate voltage (200-240V AC). D-Central stocks compatible power supplies in our shop. Always use a quality PSU from a reputable manufacturer to protect your investment.