1. Clean or replace furnace filter.

2. Check and clean mechanical ventilation system (HRV/ERV). Check your manual and follow manufacturer’s recommendations.

3. Clean snow from air intakes, exhausts and meters.

4. Clean range hood filter.

5. Remove excess snow from roof to prevent ice dams.

6. Clean and check sump pump and pit.

7. Inspect pressure and temperature valve on water heater.  Check your manual for recommendations and safety needs.

8. Clean faucet aerators and turn on infrequently used faucets and put water in floor drains to maintain the trap’s water barrier.

9. Observe humidity levels and adjust the setting on the humidistat or air exchanger controller as needed to eliminate condensation or frost on windows.