How to Find Model Number on Refrigerator, Oven, Washer, Dryer, Water Heater, Furnace, A/C

Picked one by one from a mixed channel. Transcript check: both title readers certain; 5 of 5 sampled certain picks confirmed by transcript, none failed. Channel rule: Include only descriptively titled HVAC, appliance, electrical and plumbing repair, wiring, diagnostic, installation and maintenance tutorials (e.g. 'How to Wire Central Air Conditioner', 'How to Flush and Rinse an On Demand Tankless Water Heater', 'How to Check AC Freon Level'). Exclude reviews, unboxings, tool and affiliate lists, cost-opinion videos, lifestyle, health and remedy videos, and any title using shouty caps or hook phrasing.