The cold winter months can also be busy for professional heating contractors. Two very good reasons for having a professional check your unit before the heating season is prevention of a breakdown and ensuring safety from harmful gases. A check-up can save you time, money and keep you comfortable during the coldest days.A seasonal check-up should include the following items for gas or heating unit:
- Clean and adjust thermostat
- Check voltage and amp draw
- Lubricate motors
- Check air filters
- Check fan-limit switch
- Check electrical wiring and connections
- Check temperature rise across heat exchanger
- Check firing rate
- Check gas manifold pressure (gas only)
- Check for leaks Change nozzle (oil only)
- Change filter (oil only).