In simple terms solar panels are fitted ideally to a south facing roof at a 35’ pitch, this is an ideal but the panels still work at varying angles and orientations. The panels then collect the suns radiation and transfer the heat to a closed loop connected to a hot water store. From here the hot water collected from the sun goes to your taps via your existing system.
Each solar thermal system can easily be modified to work in conjunction with the three main types of hot water systems: vented, unvented and combination.
Solar thermal can be fitted on average in 2/3 days into a 4 bedroom house with minimum disruption.
Planning is not normally required for domestic installations. In cases where this is necessary, GHE Solar has extensive experience and can work closely with you advising on your needs.
Please see Renewable Heat Incentive (RHI) for financial incentives for Solar Thermal Panels. Heat pipes for Solar thermal – they use the evaporating/condensing principal.
There are two types of collector:
Evacuated Tubes and Flat Plate.
Evacuated Tubes collectors are the most efficient solar solution currently available, In fact they are one third more efficient than flat plat collectors. Evacuated Tubes are heat pipes, which use the condensing/evaporating principal and self regulate to prevent the system from over heating. The self regulating properties of this type of system have efficiency benefits and enable a simpler installation (eliminating the need for heat sinks, drainbacks or similar safety devices).
Flat Plate collectors
Flat Plate collectors while not as efficient as tube collectors, they are ideally suited to areas where aesthetics are paramount, i.e. Conservation areas, listed building or areas of outstanding natural beauty. Flat Plates are considered to be more attractive. Unlike tube collector flat plate collector do not have any in built temperature regulations and therefore subject to over heating in the summer months. To prevent this over heating additional measures are required, namely drainback, where the panel is emptied of fluid once the temperature has been reached, or heat sinks where a domestic radiator is used to disperse excess heat.