A typical whole-house duct cleaning takes three to five hours.
Before and after
| Step | Time |
|---|---|
| Inspection | 30 min |
| Cleaning | 3 h |
Tag: air-quality
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How often should you replace a furnace filter?
Most one-inch filters need changing every one to three months.
Signs it is time
- Visible dust on the filter
- Higher energy bills
- More dust around the house