Solar collectors can be used for installations supporting building heating. You should concern conditions listed below:

- the building should assure low heat losses if you want to have a big energy share from solar collectors in supporting building heating (for example-underfloor heating).

- regarding the necessity to install more solar collectors, you should predict the ability to use the surplus of the warmth in summer, for example for warming up the water in the swimming pool.

1. Draft of Basic installation for warming up the water and supporting central heating:

2. Draft of comprehensive installation for warming up the usable water, swimming pool and supporting building heating supplied by solar collectors, central heating and fireplace.