Heating
Swimming Pool Water to 28 Degrees
Heating
System |
Delivered
Energy Costs
Cents
per Kw/Hr |
Efficiency
|
Actual
Cost – cents per KW/Hr |
|
Enviritech
HP W/W Night Rate |
8
|
>600%
|
1.33
|
|
Enviritech
HP W/W Day Rate |
16
|
>600%
|
2.66
|
|
Natural
Gas
Condensing
Boiler |
5.12
|
80%
90%
|
6.4
5.7
|
|
Oil
|
8.8
|
75%
|
11.7
|
|
LPG
|
12
|
80%
|
15
|
|
Electricity
Night Rate |
8
|
100%
|
8
|
|
Electricity
Day Rate |
16
|
100%
|
16
|
|
Heating
Under Floor System to 35 Degrees
Heating
System |
Delivered
Energy Costs
Cents
per Kw/Hr |
Efficiency
|
Actual
Cost – cents per KW/Hr |
|
Enviritech
HP W/W Night Rate |
8
|
570%
|
1.40
|
|
Enviritech
HP W/W Day Rate |
16
|
570%
|
2.80
|
|
Natural
Gas
Condensing
Boiler |
5.12
|
80%
90%
|
6.4
5.7
|
|
Oil
|
8.8
|
75%
|
11.7
|
|
LPG
|
12
|
80%
|
15
|
|
Electricity
Night Rate |
8
|
100%
|
8
|
|
Electricity
Day Rate |
16
|
100%
|
16
|
|
Heating
Radiators to 45 Degrees
Heating
System |
Delivered
Energy Costs
Cents
per Kw/Hr |
Efficiency
|
Actual
Cost – cents per KW/Hr |
|
Enviritech
HP W/W Night Rate |
8
|
440%
|
1.82
|
|
Enviritech
HP W/W Day Rate |
16
|
440%
|
3.63
|
|
Natural
Gas
Condensing
Boiler |
5.12
|
80%
90%
|
6.4
5.7
|
|
Oil
|
8.8
|
75%
|
11.7
|
|
LPG
|
12
|
80%
|
15
|
|
Electricity
Night Rate |
8
|
100%
|
8
|
|
Electricity
Day Rate |
16
|
100%
|
16
|
|
Heating
Domestic Hot Water to 50 Degrees
Heating
System |
Delivered
Energy Costs
Cents
per Kw/Hr |
Efficiency
|
Actual
Cost – cents per KW/Hr |
|
Enviritech
HP W/W Night Rate |
8
|
370%
|
2.16
|
|
Enviritech
HP W/W Day Rate |
16
|
370%
|
4.32
|
|
Natural
Gas
Condensing
Boiler |
5.12
|
80%
90%
|
6.4
5.7
|
|
Oil
|
8.8
|
75%
|
11.7
|
|
LPG
|
12
|
80%
|
15
|
|
Electricity
Night Rate |
8
|
100%
|
8
|
|
Electricity
Day Rate |
16
|
100%
|
16
|
|
Information
correct as supplied by SEI comparison of Energy Costs 01/07/2008.
See www.sei.ie
|
