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Output seems to control heating part of cycle even while set as cooler #311

Description

@doff-1

Describe the bug
I hav a thermostat configured as a cooler, and the response is opposite from expected. When the temperature is far above the setpoint I expect the cooling cycle to run for longer, but the opposite is happening with longer cycles "off" than "on".
This makes the thermostat spend waaaay too long to adjust the temperature.

To Reproduce
Set up a thermostat as a cooler, and check the history when it is trying to correct a relatively large error.

Expected behavior
I expect longer periods of cooling and shorter periods "off" while the thermostat is trying to bring the temperature down to the setpoint.

Image

Desktop (please complete the following information):

  • OS: home assistant 2026.2.3
  • Browser firefox
  • Version 147.04

Additional context
This is with the latest dev version with cooler mode available.

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