FAQs Does Polyak Services offer estimates? Yes. Call us for an estimate at (610) 375-4771. Is Polyak Services insured? Yes. We will provide insurance documentation at your request. Does my heating company clean our chimney when we get our heater serviced? No. They normally clean the burner and just the base of the chimney. We clean the chimney from top to bottom. Must I cover my furniture when you clean my chimney and ducts? No. We take care in providing clean, prompt professional service. How often should I get my chimney cleaned? The National Fire Protection Association recommends all chimneys and vents be inspected annually and cleaned if needed. How often should I get my dryer vent cleaned? The Consumer Product Safety Commission reports dryer related home fires are on the increase. If you notice that your dryer is running longer than normal, you may need to have your dryer vent cleaned.