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Make energy savings with EHTech's obox, waste water heat recovery system
Save £ now !
Calculate your savings on
hot water with obox
use our online tool
Sturdy and reliable
all passive system
as it is new -- thanks to our 5 patents on the water actuated
cleaning system.
No pump, no electronics, no fan and yet the same high performance
More comfort
Endless hot water
Obox gets you twice as much hot water
from your old water heater tank, so you
never run out of hot water
Proven performance
tested by an independant laboratory
It ensures you save 63 % of the energy you used to pay
to heat the water.
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How much will you save ?
Discover obox
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