Normally, saison storages are uneconomically. In this case had the house owner much luck. He got by lucky circumstances 2 of this 30.000 litre tanks
For a planed gasoline station had been this biparietal steel tanks already been ordered. The license had been surprisingly not issued. So the person who wanted to make a gasoline station was happy, that somebody purchased the tanks for the solar haouse project for a fraction of the price.
A 25cm thermal insulation had been squirted on the 10m long and 2.2m diameter tanks. The tanks are at the south and west side of the house.
Context description: saison heat warmth storage saisonstorage heatstorage warmthstorage storages saisonstorages heatstorages warmthstorages warm heating water summer to winter zeroenergy nullenergy solar sun house zeroenergyhouse nullenergyhouse solarhouse sunhouse houses zeroenergyhouses nullenergyhouses solarhouses sunhouses Austria Austrian south east Styria Styrian near close Radkersburg Bad Gleichenberg Halbenrain event events date time 20 century