Traditionally, domestic hot water has simply been a choice between a combi boiler or a vented system (with the odd Point of Use water heater thrown in).
With water saving design, and zero carbon housing which will possibly become the standard in 2016, this all changes slightly for several reasons -
with PassivhausSee more on [...]
A solar collector is only of use if it is unshaded for most of the mid day passage of the sun, even in the winter when the sun is very low. This needs carefully checking. The Green Book Live web site gives lists of microgeneration installers and it is worth having a survey done before [...]
High thermal massthis is about how much heat something can absorb - so it involves its specific heat capacity and its volume. It can be useful for levelling out the peaks and troughs of temperature within a house. See the page on
thermal mass is generally seen as a useful quality in a building because it can be utilised to trap and save any spare heat which might turn up.
It can also do the reverse equivalent for coolth during hot weather. This quality is utilised in passive solar design, including the PassivhausSee [...]
Plumbing for solar collectors is normally carried out by specialist companies when they retrofit systems to existing buildings.
The challenge with solar collectors is to do with working out pipe runs that go from the collector outside and through the roof to the inside space where there is a tank [...]