![]() Unfortunately, many people who own programmable thermostats do not know how to use the thermostat or are not using all of the features that are offered. But an equally important factor is the human who is using the thermostat. The technology inside a programmable thermostat is no doubt one of the most important factors in determining whether or not the thermostat will be successful in saving energy. Īnother study conducted on the issue determined that the biggest problem for programmable thermostats was the human using it. The smart thermostat attempts to combat this issue by taking the user out of the picture and relying on sensors and computers to save energy. This study reveals that programmable thermostats will not necessarily save energy. lower temperature setting), due to confusion with setting the schedule. ![]() This consumption increase resulted from higher overnight duty cycles associated with lower thermostat setpoints (i.e. It was determined that the users who used the programming feature actually consumed 12% more energy than the non-programmers. Out of the 400 participants, 56% of users used the programming feature while the remaining participants did not program the thermostat and left it on "hold". Between 2008-2009, Florida Power & Light (FPL) provided 400 homeowners with programmable thermostats and monitored their heating and cooling patterns. In order to understand how smart thermostats take on this task, it is important to understand the issues regarding programmable thermostats and how they affect energy consumption. One of the main objectives of smart thermostats is to reduce the issues involved with using traditional programmable thermostats. Unfortunately, due to human error in using these devices, most programmable thermostats result in more energy use than the basic manual thermostat. Due to this assumed energy savings, some building codes and government programs began requiring the use of programmable thermostats. The idea of the scheduling feature is that users will set a warmer or cooler temperature when the home is unoccupied to save energy and money. Most programmable thermostats also have a hold feature which suspends the schedule and effectively turns the thermostat into a manual thermostat. Programmable thermostats, first introduced over 100 years ago, are a type of thermostat that allows the user to set a schedule for different temperatures at different times. These thermostats are set to one temperature and do not change until the user manually adjusts the temperature. Manual thermostats (also known as analog thermostats) are the oldest and simplest type of thermostats. This information is typically displayed later on an internet-connected device such as a smartphone. Smart thermostats also record internal/external temperatures, the time the HVAC system has been running and can notify the user if the system's air filter needs to be replaced. This ease of use is essential for ensuring energy savings: studies have shown that households with programmable thermostats actually have higher energy consumption than those with simple thermostats because residents program them incorrectly or disable them completely. This allows users to control the thermostat remotely. They allow users to adjust heating settings from other internet-connected devices, such as a laptop or smartphones. ![]() Like other Wi-Fi thermostats, they are connected to the Internet via a Wi-Fi network. They perform similar functions as a Programmable thermostat as they allow the user to control the temperature of their home throughout the day using a schedule, but also contain additional features, such as sensors and Wi-Fi connectivity, that improve upon the issues with programmable thermostats. Smart thermostats are Wi-Fi thermostats that can be used with home automation and are responsible for controlling a home's heating, ventilation, and air conditioning.
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