Foaming condenser cleaner. EasyFoam is a heavy duty, ready mixed for immediate use cleaner, for use on air conditioning condenser coils. Its foaming formulation and powerful aerosol jet make it ideal for removing stubborn dirt from deep within problem coils. Foaming condenser cleaner. EasyFoam is a heavy duty, ready mixed for immediate use cleaner, for use on air conditioning condenser coils. Its foaming formulation and powerful aerosol jet make it ideal for removing stubborn dirt from deep within problem coils.