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Heating Fuel Cost Comparison ($/MMBTU)

Quick answer

This reference compares the delivered cost of heat ($ per million BTU) across 10 fuels — natural gas, propane, heating oil, electric resistance, air-source heat pumps and wood pellets — plus the unique row for ASIC Bitcoin-mining heat. Delivered cost = fuel price divided by (energy content x appliance efficiency), so a cheap fuel in an inefficient appliance can cost more than an expensive one run efficiently.

On a pure $/MMBTU basis the lowest-cost row here is "ASIC Bitcoin heat (net of mining revenue)". A Bitcoin miner is a 100%-efficient electric heater that also earns mining revenue, so its NET heating cost can fall below grid electricity — and below zero when mining pays for the power. Energy contents are physical constants; prices vary by region, so confirm your local rate. Free CSV/JSON under CC BY 4.0.

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Fuel / Heat SourceUnitPrice (CAD)BTU / unitEff. / COPDelivered $/MMBTU
ASIC Bitcoin heat (net of mining revenue)
Subtracts a conservative ~$0.06/kWh CAD mining-revenue credit (~28 J/TH miner, ~$38/PH/day hashprice, 1.37 USD/CAD, haircut for pool fees/downtime) from the $0.0718/kWh electricity - so net heat is far cheaper than gas. With more efficient hardware or higher hashprice the credit can exceed the electricity cost and net heat cost goes to zero or negative: heat you are paid to produce. Volatile with BTC price/difficulty.		kWh$0.01183412100% (COP 1.0)$3.46
Air-source heat pump (ASHP)
COP 3.0 per the on-site calculator (generic seasonal ASHP is ~2.7, so slightly optimistic); same Quebec-rate caveat. Calc: 0.0718 / (3412 * 3.0 / 1e6).		kWh$0.07183412COP 3.0$7.01
Cold-climate ASHP
Conservative seasonal COP 2.2 for sub-zero operation (manufacturers rate ~2.0-2.3 cold); same Quebec-rate caveat. Calc: 0.0718 / (3412 * 2.2 / 1e6).		kWh$0.07183412COP 2.2$9.57
Natural gas (condensing furnace)
Representative 2026 Canadian residential gas price (varies by province/season); matches the on-site calculator gas constant ($0.05/kWh-thermal = $14.65/MMBTU). Calc: 0.49 / (35543 * 0.95 / 1e6).		m3$0.493554395%$14.51
Natural gas (mid-efficiency furnace)
Same gas price in a non-condensing furnace - shows the efficiency penalty vs a condensing unit. Calc: 0.49 / (35543 * 0.80 / 1e6).		m3$0.493554380%$17.23
Electric resistance baseboard
At the on-site Quebec residential default $0.0718/kWh; national average rates (~$0.13-0.18/kWh) roughly double this. Calc: 0.0718 / (3412 * 1.0 / 1e6).		kWh$0.07183412100%$21.04
ASIC Bitcoin heat (gross)
An ASIC converts ~100% of its electricity to heat at 3412 BTU/kWh - identical to a resistance baseboard - so its gross heat cost equals electric resistance at the same rate (shown here at the Quebec default $0.0718/kWh). Calc: 0.0718 / (3412 * 1.0 / 1e6).		kWh$0.07183412100% (COP 1.0)$21.04
Wood pellets (pellet stove)
Representative 2026 Canadian pellet price (~$350/ton; varies by region, bulk vs bag). Calc: 350 / (16000000 * 0.80 / 1e6).		ton (2,000 lb)$3501600000080%$27.34
Heating oil (#2)
Representative 2026 Canadian #2 furnace oil (varies by region/season). Calc: 1.50 / (36588 * 0.85 / 1e6).		L$1.503658885%$48.23
Propane
Representative 2026 Canadian residential propane (varies widely by region/delivery). Calc: 1.05 / (24170 * 0.90 / 1e6).		L$1.052417090%$48.27

Source: physical energy constants + the D-Central heat-reuse calculator; representative 2026 Canadian fuel prices. Pairs with the BTU calculator and the PSU reference. Prices vary by region and season.

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Last reviewed June 20, 2026.