Discuss How much does it cost to heat water per hour? in the Central Heating Forum area at PlumbersForums.net
Ideal logic system s30 boiler | ||
Central Heating Max. Output: | 30.3 | kW |
Assumed boiler efficiency: | 90% | |
Gas price: | 0.0683 | £/kWh |
Cost to run boiler at rated output: | £2.30 | /hour |
Cost to heat 300 kg of water from 5°C to 60°C | ||
Specific heat of water : | 4184 | J/kgK |
Hot water cylinder capacity: | 300 | kg |
Temperature increase from 5 to 60°C: | 55 | K |
Heat required: | 69 036 000 | J |
Conversion factor: | 3 600 000 | J/kWh |
Heat required: | 19.18 | kWh |
Gas price: | 0.0683 | £/kWh |
Assumed boiler efficiency: | 90% | |
Cost to heat 300 kg of water from 5°C to 60°C | £1.46 |
Depends on coil capacity eg kwWill my boiler runs on 30kw fully when heating the tank?
Reply to How much does it cost to heat water per hour? in the Central Heating Forum area at PlumbersForums.net
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