Which is a potential consequence of improper gas appliance installation?

Improper gas appliance installation can lead to a range of severe issues, and one significant consequence is an increased risk of fire or explosion. When gas appliances are not installed correctly, it can result in gas leaks, poor ventilation, or malfunctioning components. These issues can create hazardous conditions that may ignite, leading to fires or even explosions.

For instance, if gas lines are not properly sealed or if connections are loose, gas can escape into the surrounding area. In an enclosed space, this gas can accumulate and create an environment ripe for combustion if there is a spark or open flame. Additionally, improper venting can allow carbon monoxide, a dangerous byproduct of incomplete combustion, to build up in indoor spaces, further complicating safety.

The other options do not relate to the consequences of improper installation. Enhanced energy efficiency and improved indoor air quality are outcomes associated with well-installed, functioning gas appliances, rather than poor installations. Similarly, safe operation and maintenance are only achievable if installations adhere to the standards and regulations set forth by agencies like the TSSA.