you can try this out and after that spray the foam off with the coils before reassembling the unit. For tips on dismantling the unit and maintaining window units, read on!Make use of the hose to rinse the cleaner off of outside units. Following the cleaner has soaked for extended adequate, spray the hose little by little backwards and forwards across the coils to rinse the foam off.This is especially important to Verify For those who have discovered that your household is both far too incredibly hot or far too chilly, which could possibly be helpful hints a sign of an inaccurate thermostat.