The short answer
A flap door lets any animal through and costs tens of dollars. A powered door raises a solid panel only for a pet wearing a key, which keeps wildlife and strays out and seals better, but costs hundreds and needs power and maintenance.
Compared
| Flap | Powered | |
|---|---|---|
| Who can enter | Any animal | Only key-wearing pets |
| Weather seal | Magnets; 2–3 flaps help | Solid panel |
| Price | Low | High |
| Power | None | Mains or batteries |
Powered doors we cover
- Power Pet PX-1: pets to 30 lb, ultrasonic collar key.
- Power Pet PX-2: pets to 100 lb; WiFi version available.
- Power Pet Roll Up: up to 200 lb, opens in about 1 second.
When a flap is enough
In mild climates without wildlife problems, an insulated flap such as PetSafe Extreme Weather is far cheaper.
SafetyCheck what a powered door does in a power cut, and keep spare batteries.
Products mentioned
Questions readers ask
Are powered dog doors worth it?
Where wildlife, strays or security are problems, yes; otherwise an insulated flap is cheaper.
Do powered doors work in a power cut?
Check the model; some have battery backup.