The Q-FACTOR - Solar Water Heating Systems

Each system tested by the SABS receives a system rating (Q-factor), which indicates the kilowatt-hours (kWh) of electricity it is expected to save on a typical day (as determined by the SABS test).

The following are the solar water heating systems' Q-Factors.

SYSTEMLitre Q-FACTOR
Solahart FH302KF30037.59
Solahart 302-J30035.53
Solahart FH181-J18019.40
Solahart 181-J18019.40
Kwikot SOL-300-IC30030.60
KwikSol 200-i x120018.90
Tasol/Tas20 20 EVT Thermo20017.82
Tasol/Kwikhot 16 EVT Thermo15018.41
Tasol/Kwikhot 20 EVT Pumped20014.71