Daikin EKPS076207 [130/216] Yearly savings for space heating and domestic hot water

Daikin EKPS076207 [130/216] Yearly savings for space heating and domestic hot water
130
A 100% use of gas boiler
B Heat pump + gas boiler
C 100% use of heat pump
+35% eciency (space heating) compared to existing condensing gas boiler
Heat consumption (kWh /°C)
2,000
1,800
1,600
1,400
1,200
1,000
800
600
400
200
0
°C-7 0 15
C
B
A
A running costs comparison is made below based on parameters for a typical Belgian winter.
As a result of the Hybrid principle, the most cost-ecient operation will be used no matter
the ambient outdoor temperature.
Daikin altherma
Hybrid heat pump
New
gas condensing boiler
Existing
gas condensing boiler
Space heating
Energy supplied by HP 12,800 kWh
HP eciency 3.64 Scop
Energy supplied by gas boiler 6,700 kWh 19,500 kWh 19,500 kWh
Space heating eciency 90% 90% 75%
Running costs 1,220 € 1,520 € 1,820 €
DHW HEATING
Energy supplied by gas boiler* 3,000 kWh 3,000 kWh 3,000 kWh
DHW heating eciency* 90% 80% 65%
Running costs* 230 € 260 € 320 €
TOTAL
Running costs 1,450 € 1,780 € 2,140 €
* for combi-boiler, no separate domestic hot water tank
Conditions
Heat load 16 kW
Design temperature -8 °C
Space heating o temperature 16 °C
Maximum water temperature 60 °C
Minimum water temperature 38 °C
Gas price 0.070 €/kWh
Electricity price (day) 0.237 €/kWh
Electricity price (night) 0.152 €/kWh
Total space heating requirement 19,500 kWh
Total DHW heating requirement (4 persons) 3,000 kWh
Yearly savings:
for space heating and domestic hot water
-19%
versus new gas condensing boiler 330 €/year
-32%
versus existing gas condensing boiler 690 €/year
Replacing a gas boiler with a Daikin Altherma Hybrid
heat pump means saving on running costs for both space
heating and domestic hot water supply.
Case study

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