Home and office automation systems comprised of computer hardware, wireless and wired controllers, and downloadable software for automating The PowRPal is a mini controller device that is installed in an HVAC's air handler and it optimizes fan run time to utilize the coolant unused when the compressor shuts off. The PowRPal extends the fan run time while forcing more often compressor rests, thereby saving large amounts of energy from the HVAC system.