What effect does inadequate insulation have on a building's temperature?

Inadequate insulation significantly impacts a building's temperature by causing uneven temperature distribution. When a building lacks sufficient insulation, it is more affected by external temperature changes, allowing heat to escape in colder months and infiltrate in warmer months. This results in certain areas of the building being much colder or hotter than others, leading to discomfort for occupants and higher energy consumption as heating and cooling systems work harder to maintain a consistent temperature.

The effectiveness of insulation is to create a barrier that slows the transfer of heat, helping to maintain a more uniform environment indoors. Therefore, without adequate insulation, areas near exterior walls or in upper levels may experience drastic temperature differences compared to interior spaces, illustrating why this choice accurately reflects the consequences of insufficient insulation in a building.