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heating alternatives
energy calculator
solutions
Energy calculator (Italy)
In this part you can calculate annual energy demand of your property and compare annual expenses of different fuels. You can change values in green fields, and made changes counter calculates automatically. Additional information you will get by taking the mouse cursor on exclamation mark.
The calculator was developed as part of BioHousing project by Jyvδskylδ University of Applied Sciences in co-operation with project partners and Atlantis Consulting Ltd.
1. Facts of the property
Building area
m
2
Room height
m
Building volume
m
3
Number of inhabitants
Specific heat consumption
kWh/m2
Hot service water
MWh/a
Heat energy total (annual consumption)
MWh
2. Fuel prices
Wood pellet
/tn
Prices
Log wood
/tn
Prices
Heating oil
/l
Prices
Natural gas
c/m3
Prices
Heat pump
c/kWh
Prices
Wood is renewable biofuel, so the net CO2 emissions of wood fuel utilisation are 0.
3. Annual fuel expenses
Typical range
Efficiency
Heat consumption
Heat value
Annual fuel need
Annual fuel expenses
Size of the pellet storage (net volume)
Indicative suggestion for the minimal boiler output minimal boiler output
Wood pellet
85 - 90
%
MWh/a
MWh/tn
tn/a
/a
m
3
kW
Log wood
80 - 85
%
MWh/a
MWh/tn
tn/a
/a
Heating oil
90
%
MWh/a
kWh/l
l/a
/a
Natural gas
90
%
MWh/a
kWh/m3
m3/a
/a
Heat pump
CoP 3.5 - 4.5
cop
MWh/a
/a
4. Investment costs
Interest rate
%
Calculation period
years
Typical range ()
Investment costs of the heating system ()
Subsidy
Total annual heating costs
Investment costs (/a) (annuity)
Annual fuel / energy expenses (/a)
Total annual heating costs (/a)
Total heating costs (cnt/kWh)
Wood pellet
6 500-12 000
/a
/a
/a
c/kWh
Log wood
5500
/a
/a
/a
c/kWh
Heating oil
2000-3000
/a
/a
/a
c/kWh
Natural gas
2000-3000
/a
/a
/a
c/kWh
Heat pump
20 000-30 000
/a
/a
/a
c/kWh
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Updating of information: ETA Florence, Mr. Lorenzo Corbella, email: firstname.familyname@etaflorence.it
Ulteriori informazioni: ETA Florence, Lorenzo Corbella, email: lorenzo.corbella@etaflorence.it