As the South African summer heat kicks into high gear, many households and businesses are looking to install air conditioning. However, when you walk into a store or browse online, you are immediately faced with a choice that affects your wallet in two different ways: Inverter or Non-Inverter. Image: The Go-To Guy Creations The Inverter unit is more expensive to buy, but the salesperson promises it saves electricity. The Non-Inverter is cheaper upfront but is rumored to be a