Is Monero mining profitable if the heat is used to warm my home?

Yes, Monero mining can be profitable if you use its heat to replace heating you would otherwise pay for. But useful heat does not make mining free: your result depends on your mining income, electricity price, existing heating system, and equipment costs.

Treat the heat as a heating credit

Nearly all the electricity a computer uses eventually becomes heat inside your home. A computer drawing 200 watts produces roughly as much heat as a 200-watt electric resistance heater, such as a basic plug-in heater.

The important word is useful. You only save money if that warmth reduces how much your normal heating runs.

• A mining computer in a chilly room you use regularly may replace some heating.
• A computer in an already warm room may just make you uncomfortable.
• Heat that makes you open a window has little value.
• During warm weather, mining may increase your cooling bill instead.

Credit only the heating you actually avoid, not every unit of heat your computer produces.

Your existing heating system changes the answer

If you use electric resistance heating, mining can be an attractive substitute. Both turn roughly one unit of electricity into one unit of indoor heat. If the electricity costs the same and every bit of warmth is useful, mining income is an extra benefit before equipment costs and fees.

If you use a heat pump, the comparison is less favorable. A heat pump moves heat rather than making it directly. Its coefficient of performance, or COP, describes how much heat it delivers per unit of electricity. At a COP of 3, it supplies three units of heat for each unit of electricity.

A mining computer would therefore need roughly three times as much electricity to provide the same heat in that example. Mining income must cover that extra cost before you come out ahead.

With gas, oil, or district heating, compare the cost of delivered heat, allowing for boiler efficiency where relevant. Fixed service charges usually do not disappear just because you run the heating less.

Work out your actual break-even point

Use this calculation for the hours when you need warmth:

Net benefit = mining revenue − mining fees − electricity cost + avoided heating cost − equipment costs.

For example, a computer drawing 200 watts continuously uses 4.8 kilowatt-hours per day. A kilowatt-hour, or kWh, is the electricity billing unit for using 1,000 watts for one hour.

At an illustrative electricity rate of $0.20 per kWh:

• Mining electricity costs $0.96 per day.
• Replacing equivalent resistance heating could save $0.96.
• Replacing heat from a heat pump operating at COP 3 would save only $0.32.

In the heat-pump example, mining must bring in more than $0.64 daily after fees just to cover the remaining electricity cost. Equipment costs still come afterward.

Check a live mining calculator for estimated revenue. Use measured power at the wall and your actual hashrate, the speed at which your setup performs mining work. Browser mining can perform very differently from dedicated mining software, so do not assume their earnings match.

The bottom line

Mining for heat makes the most financial sense when you already own the computer, need its warmth, and would otherwise use electric resistance heating. It is harder to justify against an efficient heat pump or when buying new hardware.

Test your actual earnings and heating savings first. Keep ventilation clear, and never enclose or cover your computer to trap heat.