How Heating with Crypto Mining Works
A cryptocurrency mining machine is, in effect, an electric heater that also earns. Almost all the power it draws leaves as heat — and if you capture that heat instead of venting it, one supply of electricity gives you both warmth and mining revenue. Here is how it works.
Why a mining machine makes heat
Every mining machine is a computer, and like any computer it converts the electricity it consumes almost entirely into heat — the same as an electric radiator. Close to 100% of the input power ends up as warmth. The difference is that while it heats, it also performs the computation that earns mining revenue. The heat is not waste; it is the same energy, captured.
Capturing the heat
Machines are cooled by air or by liquid. Air-cooled units blow out hot air that can warm a space or pre-heat an air stream; liquid-cooled and immersion units transfer their heat into water, which is easy to move and store. A heat exchanger passes that heat into your own circuit — a hot-water loop, a heating system, or a process — without mixing the two fluids.
What you can heat
The base heat from a machine is low-grade — comfortably enough for hot water, space heating, pools, greenhouses and drying. For higher temperatures, a temperature-upgrade stage lifts the base heat to process conditions, up to 120°C steam. The same source therefore covers a wide range, from a building's radiators to an industrial process.
Why it beats a plain heater
A conventional electric heater turns your electricity into heat and nothing else. A mining machine delivers essentially the same heat for the same energy, and adds mining revenue on top that offsets the cost. You can read how that offset works in the economics of heat-producing crypto mining, or see the whole approach on our combined heat & compute page.
Frequently asked questions
Does a mining machine really produce about 1 kW of heat per kW of power?
Yes. Almost all the electricity a machine draws is released as heat, just like a resistive heater — so roughly one kilowatt of electricity gives about one kilowatt of usable heat.
What temperature can the heat reach?
The base heat is low-grade, suitable for hot water and space heating. With a temperature-upgrade stage, the system can reach up to 120°C steam for industrial use.
Does using the heat reduce the mining?
No. The heat is a by-product of the computation, so capturing and using it does not reduce the mining output — you get both from the same electricity.
Have a heat demand and access to power?
Tell us your location, your heat demand and your electricity price, and we'll model what a combined heat-and-compute system would deliver.