Where is the most appropriate placement for a residential thermostat?

The most appropriate placement for a residential thermostat is near the return grille. This location is ideal because it allows the thermostat to accurately gauge the average temperature of the home. A thermostat placed near the return grille senses air that has circulated through the living space, ensuring it reflects the actual living conditions of the area being heated or cooled.

Placing the thermostat near supply outlets can lead to misleading readings; the immediate air coming from the ducts might be significantly warmer or cooler than the air in the rest of the room, causing the HVAC system to cycle on and off inaccurately. Positioning it in the kitchen may also pose issues, as heat from cooking appliances could result in temperature fluctuations that don’t represent the overall temperature of the home. The suggestion that placement does not matter ignores the importance of accurate indoor climate control, which relies on thoughtful placement of the thermostat. Therefore, positioning it near the return grille is essential for optimal system performance and comfort.