To apply for financing with Three Guys A/C & Electrical, you generally need to consider your credit score first. For a score over 650, you might qualify with Synchrony, whereas if your score is under 650, you may qualify with Microf[0]. While specific documentation details aren't provided in the current data, financing typically requires basic information such as identification, proof of income, and a credit check. I recommend visiting the Three Guys A/C & Electrical website or contacting them directly for precise and detailed requirements tailored to your financial situation[0].