Aging UnitIf your heating or air conditioning unit is more than 15 years old, you’re almost certain that its thermostat may need replacing. Look out for any signs that the thermostat’s wiring has aged.
Energy EfficiencyEven if both your thermostat and temperature-controlling unit are working fine, if your thermostat is an old model, you should consider replacing it with a digital one. Newer thermostat models allow you to increase your unit’s efficiency by accurately monitoring temperatures and programming operation times to suit a daily schedule.
Faulty Temperature ReadingsIf you don’t see or feel any problem in how your temperature control unit works, but your temperature gauge is showing a vastly different temperature reading from the one you’re sensing, it may be time to replace the thermostat. It could simply mean that your thermostat’s temperature gauge is on the blink. This is true for cars as well as for home heating or cooling systems.
Lost ProgrammingIf you have a large home or are managing an office, high-performance heating, ventilating and air conditioning systems (HVACs) need truly efficient programmable thermostats. If you experience power outages often, and your thermostat seems to always “forget” or lose the program you’ve entered, it could be one of the older models. You might want to switch to a programmable thermostat with “power stealing” technology and back-up batteries to avoid worrying ,or forgetting to re-program the right temperatures and usage schedules later on.
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