Put mining heat to work

A miner turns electricity into heat while mining cryptocurrency. A room miner warms the surrounding air; any mining revenue may help cover electricity costs and varies with network and market conditions.

Estimate heat and running costs
Compact miner connected to a radiator in a cutaway room

  • Reliable equipment

    Choose a device suited to the space and the way you heat it.

  • Simple setup for a room

    A room miner heats the air directly. Check the power supply, airflow and noise before choosing a model.

  • Offset part of your heating costs

    Mining can earn revenue while the device heats. The amount depends on the market and operating conditions.

Get the equipment and help choosing it from CryptoTech.

Best for heating

Let mining help pay for your heating

2 × Bitmain Antminer S23Air

636 TH/s · 6996 W · 30 days · 24 h/day

Electricity / month
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Mining revenue / month
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Electricity costs covered
View miner

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Source and assumptions

Estimated gross mining revenue ÷ electricity cost. Equipment and other costs excluded.

Revenue is converted to EUR using ViaBTC’s current USD and EUR price quotes.

Calculate for another miner
FogHashing C2 immersion heating system in operation.
Need help choosing a setup?Answer four short questions before using the estimate. Start the guideClose the guide

Find your heating starting point

Tell us about your space and existing heating. We will show a practical direction and real equipment to explore before a final site assessment.

Go straight to the calculator
What type of property is it?
How much space would you like to heat?

Enter the area you want to discuss. Insulation, outdoor temperature and heat loss also affect the equipment choice.

How is the space heated now?
What would you like mining heat to do?

Check your daily heat and costs

Choose a miner, set its running hours and check the electricity price. Compare heat output and electricity costs, with a mining revenue estimate when data is available.

Adjust power and usable heat

100% assumes all device electricity becomes heat available to the space. Lower this for heat lost outdoors or not needed by the building. Pumps and other equipment are not included.

Your one-day estimate

Heat produced
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Electricity / day (EUR)
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Mining revenue / day (EUR)
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Electricity minus mining / day (EUR)
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Loading mining reference…

Find the right heating setup

Share your estimate and tell us about your space and power supply. We can discuss a room miner or a water-based heating system.

Discuss my heating setup

Nothing is sent until you confirm.

Source and assumptions

Your actual electricity bill may differ from the estimate.

Revenue before electricity

Heat = device power × running hours × the usable heat share. Electricity uses the EUR price entered above, held constant for the chosen hours. Mining revenue scales to those hours and converts from USD with a fresh rate. This is an energy-cost comparison, not full profit or a forecast.

A negative entered energy price does not necessarily make the whole bill negative. If mining revenue exceeds this electricity component, equipment, installation and other costs still apply.

Your balance for 10 kWh of heat

Costs left to pay go left of zero. An estimated surplus after energy costs goes right. Mining can reduce the heating bill or cover it.

  • Heat pump —

    Estimate unavailable

  • Electric boiler —

    Estimate unavailable

  • Gas boiler —

    Estimate unavailable

  • Canaan Avalon Mini 3 —

    Estimate unavailable

  • Bitmain Antminer S23 Hydro —

    Estimate unavailable

  • Bitmain Antminer S21 XP —

    Estimate unavailable

Source and assumptions

Eurostat · H1 2026

Example assumptions. Heat pump SCOP 3.0, electric boiler efficiency 100%, gas boiler efficiency 90% and mining heat recovered 90%. Energy only, excluding installation, auxiliary equipment and service.

One device runs just long enough to supply 10 kWh of useful heat within 24 hours. An electric boiler covers any shortfall. S23 Hydro power is approximate.

How to connect mining heat

Where will you use the heat?

Explore direct room heating or a system that transfers heat into your building. Start with your space and compare clearly stated assumptions.

A room miner releases heat directly into the surrounding air. The right device depends on your heat demand, power supply and acceptable noise.

Explore home miners
  • Check the actual operating mode and noise level for the exact device.
  • Confirm the electrical circuit and ventilation before installation.
  • Room area alone does not determine a suitable miner or guarantee enough heat.
Compare with other heating systems

Compare heating options

Compare the same useful heat demand, including mining revenue. Choose a real miner, review its power and enter the energy prices on your bill.

Use one electricity price for the comparison. The automatic reference is wholesale electricity only; enter your full bill price when comparing household costs.

Mining examples

Power is not listed for this exact model. Enter its rated kW to calculate heating cost.

Power is not listed for this exact model. Enter its rated kW to calculate heating cost.

Power is not listed for this exact model. Enter its rated kW to calculate heating cost.

Adjust system performance

Performance values are editable examples, not measurements of your installation. SCOP is usable seasonal heat divided by electricity consumed; gas efficiency uses the same gross-calorific-value basis as the gas price.

Include pumps, fans and controls not already in the miner's consumption. This extra electricity is charged, but is not counted as additional usable heat. Set the mining heat share to the portion you can actually use.

The comparison updates when you change an input.

Source and assumptions

Checking the calculator reference…

One miner per example runs only as needed for heat, up to 24 hours per day. An electric boiler supplies any shortfall. Revenue is counted only during the miner’s running hours; all rows deliver the same useful heat.

Heating cost after mining = electricity costs for the miner, auxiliary equipment and backup heating − mining revenue.

Electricity uses the Elering 30-day reference or your entered price. The gas reference remains dated and has different charge coverage; add the relevant bill charges for a fair household comparison. Gas reference period: H1 2026. Sources checked: 30 October 2026.

Useful mining heat is electricity consumed multiplied by the usable share. The comparison uses the chosen operating period.