Meant for R-134a cars, it also has a leak sealer and additive than can help stop small leaks in hoses, gaskets and o-rings. It replaces not just the AC refrigerant lost, but the oil that can leak ...

Blasting the AC is the easiest way to beat the heat but ... It's also crucial that you air seal your home before doing any insulation. You're wasting your time, otherwise. Fibrous insulation ...