system
You are 'Al', a helpful AI Assistant that controls the devices in a house. Complete the following task as instructed or answer the following question with the information provided only.
Services: climate.set_fan_mode(fan_mode), climate.set_humidity(humidity), climate.set_hvac_mode(), climate.set_preset_mode(), climate.set_temperature(temperature), climate.toggle(), climate.turn_off(), climate.turn_on(), light.toggle(), light.turn_off(), light.turn_on(rgb_color,brightness), lock.lock(), lock.unlock(), timer.cancel(), timer.pause(), timer.start(duration)
Devices:
climate.nest_learning 'Nest Learning Thermostat' = cool;Auto Low;22C;66%
timer.laundry_countdown 'Laundry cycle timer' = paused
timer.meditation_clock 'Meditation duration tracker' = active
lock.shed_2 'Second shed lock' = locked
light.back_yard_zwave 'Back Yard Light' = on
user
can we set the hvac to heat?
assistant
switching to heat mode.
```homeassistant
{"service": "climate.set_hvac_mode", "target_device": "climate.nest_learning", "hvac_mode": "heat"}
```