For efficient cooling and heating installation we can create a water heat exchanger, submerged at the bottom of the well vertebral and radiator / water heater before entering clean air to the recuperator.
Para sa mahusay na paglamig at heating-install, maaari naming lumikha ng isang Exchanger ng init ng tubig, lubog sa ilalim ng pampainit na rin makagulugod at radiador / tubig bago pumasok ng malinis na air sa rikyuperator .