How To Recharge A Window AC Unit? (10-Step Freon Refill)

Here’s the thing: Window air conditioners can spend their whole lifespan without recharging. Refrigerator lines are a closed system (unlike car ACs, for example); the R22 or R401A refrigerant can’t escape and doesn’t need to be replenished. So why do we wonder how to recharge a window air conditioner? It’s all had to do with … Read more