| Types of hot water heater | solar | thermodynamic | gas | electric |
| operating | Solar panels are positioned on the roof
or in the garden.
They get the energy from the sun’s rays.
It is then used to heat the water
of the hot water tank itself. | The water heater is made up
from a small heat pump.
It will capture the calories present
in the ambient air to heat the water. | The device is equipped with a
burner gas that heats water
at the request of me. | An electric heating resistance
water stored in the balloon.
accumulation models can
operate in off-peak hours |
| capacity | 200 in 400 liters | 150, 200 and 270 liters | Max 50 liters | 50 in 300 liters |
| installation | Solar panels can be installed
on the roof or in the garden.
The water heater is installed in place of
your old camera. | In an unheated room of at least
20 cubic meters with air intake and release outside
of the room | Close to the outlet
Requires gas connection
and evacuation of burned gases | Simple installation. Connection
on arrival of cold water.
Attention: the device must be installed at
less than 8m from the dots.. |
| avantage | Useful 100% free energy
Compatible with the RT 2012
Eligible for financial aid | Economic apparatus
Compatible RT 2012
Eligible for financial aid | Gas is cheaper than electricity | Settles very easily
Several capacities are available for
meet different needs.
Can work during off-peak hours. |
| disadvantages | The cost is high | Thermodynamic water heaters, like many household appliances, are subject to scheduled obsolescence. | It is rather polluting | consumes a lot of energy |
| maintenance | Solar panel cleaning
Coolant Liquid Pressure Verification | No specific maintenance, simple control
(pressure, ventilation grates...) | Annual interview is mandatory
(as for a boiler gas).
must be connected to city network gas. | No special discussions, however, the group
security must be checked regularly. |
| Average price
( With installation) | 3 500 € | 2 500 € | 500 - 700 € | 300 € |