The answer to 'how long will thermostat last' is that a well-maintained thermostat can typically last 10-15 years with proper care and usage. Thermostats are designed to be durable and reliable, but their lifespan can be influenced by factors like the quality of the unit, environmental conditions, and frequency of use.
Proper installation, regular cleaning, and avoiding physical damage or exposure to extreme temperatures can all help extend the life of a thermostat. It's also important to follow the manufacturer's recommended usage and maintenance guidelines. Replacing batteries on schedule and addressing any issues promptly can help ensure your thermostat continues to function efficiently for years to come.