Never leave your duct system unclean until the last moment when something terrible goes wrong with it. Heating duct system should be regularly cleaned by the professional or when you see the following signs then you must hire the professional duct cleaning company.
- Hike in your electricity bills
- Rodent or animal infestation
- Your furniture get dusty after turning on your duct system
- Poor Indoor Air quality
- Respiration or other serious health related problems
- Sick building Syndrome
- Mould growth inside or outside your ducts
If you find above alarming signs you must hire professional duct cleaning specialists.