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Running Costs Comparison
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UNDER FLOOR HEATING OPTIONS
For house size of app. 400m²
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| Heating Method |
Initial Capital Investment |
Power Requirements |
Running Costs @ R0.85/kWh* |
Accumulated Total Cost over 5 years**
(25% increase per annum) |
| Conventional electric floor heating |
R 72,000 |
40k Watts
182 Total Amps |
R8160 per month |
R 339,878 |
| Water based with electric in-line boiler |
R 160,000.00 |
32k Watts
146 Total Amps |
R6528 per month |
R 374,302 |
| Water based with heat pump |
R 203,085.60 |
28k Watts output
10k Watts input
46 Total Amps |
R3060 per month |
R 303,540 |
1. A heat pump will pay for itself within 5 - 6 years
2. A heat pump requires a much smaller electrical power supply
3. A heat pump can also be used as a pool heater or cooling system in summer when combined with other equipment
* This is an indication of running costs only. Actual running costs depend on various factors such as prevailing weather conditions, required temperature, insulation, etc.
** We assume a yearly electrical price increase of 20%. Figures shown are the sum of total costs required. |
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