Your Arlington County, VA AC is running all day and the house is still hot. Here are the five specific reasons this happens — low refrigerant charge, dirty condenser coil, frozen evaporator, undersized system, and duct leakage — and what each one requires to fix, including how to tell which one you have before the technician arrives.

Hall's Hill, VA homeowners facing an AC repair estimate deserve a framework for evaluating it honestly — not the contractor's recommendation but their own analysis. Here is the five-factor repair-versus-replace framework, the R-22 calculation that changes older system decisions, and what a written findings report should contain.