If the mulched area is in a bed that was excavated so that the bottom of the mulch bed is below the surrounding soil, then we have created a water trap against the building foundation - increasing the risk of both insect attack and basement or crawl space water entry Excerpts from James ...
Double coaxial tube • Can be coupled with CO2-HP for domestic space heating [27]. • Has not been tested yet. • A separation of the CO2liquid and gaseous phases takes place. • The vapor phase of CO2 ascends in the outer pipe to the heat exchanger (evaporator of the heat ...