# How-To Setup and daily use cause a large share of appliance problems. These step-by-step guides cover installation, pairing and everyday operation. _Last updated: 2026-09-28_ ## Articles - [How to Connect a Smart Appliance to Wi-Fi](https://www.smartairguide.com/how-to/connect-a-smart-appliance-to-wifi/) — A generic pairing walkthrough for smart air and comfort appliances: 2.4 GHz network, app account, pairing mode, and what to do when it fails. - [How to Install a Portable AC Exhaust Hose](https://www.smartairguide.com/how-to/install-a-portable-ac-exhaust-hose/) — Install a portable AC exhaust hose the right way: connect the adapters, keep the run short and straight, seal the window kit and stop hot air returning. - [How to Position an Air Purifier in a Bedroom](https://www.smartairguide.com/how-to/position-an-air-purifier-in-a-bedroom/) — Where to place an air purifier in a bedroom for real airflow: clearance, height, avoiding corners and getting the clean-air path where you sleep. - [How to Set Up Continuous Drainage on a Dehumidifier](https://www.smartairguide.com/how-to/set-up-continuous-drainage-on-a-dehumidifier/) — Set up a dehumidifier for continuous drainage so it never stops on a full tank: hose sizing, a downhill path, testing and common mistakes. - [How to Use Auto Mode on an Air Purifier](https://www.smartairguide.com/how-to/use-auto-mode-on-an-air-purifier/) — What auto mode actually does on an air purifier, when it helps, when to override it, and why a dirty filter makes it behave oddly. ## What you will find here - Connecting an appliance to Wi-Fi and the app - Setting up continuous drainage on a dehumidifier - Installing and sealing a portable AC exhaust hose - Positioning an air purifier for best airflow ## Frequently asked questions **Q: Should I follow the official manual first?** A: Yes. Model-specific steps should always come from the manufacturer's manual. Our guides explain the general approach and the common pitfalls so the manual makes more sense. --- Canonical: