There's a lot of snake oil and questionable products lining the shelves of the average auto parts store. From octane booster to VTEC fluid (ha!), it's hard to separate the genuinely useful products from the chaff. So when A/C Pro sent me a few canisters of its do-it-yourself air conditioning recharge system, I was a bit skeptical.
The idea is that most aging car air conditioning systems that don't blow as cold as they should suffer only from low levels of refrigerant. The way A/C Pro works is that you plug a can into your … Read more