  We investigate direct energy and heat transfer between two distant sites of a
triple quantum dot connected to reservoirs, where one of the edge dots is
driven by an ac-gate voltage. We theoretically propose how to implement heat
and cooling engines mediated by long range photoassisted transport.
Additionally we propose a simple set up to heat up coherently the two
reservoirs symmetrically and a mechanism to store energy in the closed system.
The present proposals can be experimentally implemented and easily controlled
by tunning the external parameters.
