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I really do not preset the time when heat should come on. I set it manually daily. Unit has nice large displays and is easy to set daily. There may be cheaper units that do not have preset features, but I will keep this one in case I want to use it in the future. Company's tech people are big help in setting up the unit.
Verified purchase: Yes | Condition: New
The instructions are not very good for a DIY person. The light is frustrating, it doesn't stay on long enough and there doesn't seem to be a way to change it. The thermostat does what it is supposed to do, and is easy to mount.
Verified purchase: Yes | Condition: New
SUPER VALVE THIS 5520 CAN NOT BE BEAT GREAT PRICE WORKS EXCELLANT ALL A/C FOLKS USE THIS
Verified purchase: Yes | Condition: New
Many modes for customization
Verified purchase: Yes | Condition: Pre-owned
awesome!
Verified purchase: Yes | Condition: New
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