Sadeveden kerääminen on fiksua.
Honourable mention 2011
Environmental act of the year 2012
"Houseman Oy has developed VESITASKU rainwater tank. VESITASKU is a domestic and ecological product which offers a solution to collect rainwater and recycle it for watering. Controlled rainwater collecting saves drinkable water and protects houses from moisture damages."
Honourable mention 2013
On 7th of August 2013 Houseman's Vesitasku rainwater tank was awarded in "Productive idea" -competition held by Juniorn Chamber International Finland.