So, with minimal special tools, plus a little home repair or DIY experience, anyone can install one of these mini-split heating and cooling systems. Models available for 120 and 240 volts, from ...

A: All cooling systems eventually need maintenance of some sort. Some types only need to be cleaned and inspected from time to time, while others must have filters cleaned or replaced periodically.

The LEDs generate a lot of heat, so [Matt] cools the back of the aluminum sheet with a budget-friendly water cooling system built from a car radiator, small water pump, and some clear plastic tubing.