They are devices that have been in use for centuries to keep your home comfortable and your family safe. However, there are a few important questions that you should ask before buying one of these devices. 1. What is a programmable thermostat? A programmable thermostat is an electronic device that controls your home’s heating and cooling system. These devices are installed in place of traditional mechanical thermostats and allow users to program various settings and temperatures throughout the day. This lets you more efficiently regulate your home’s temperature and energy usage. A programmable thermostat will enable you to set a range of temperatures you want each day. For example, you can set the thermostat to 68 degrees while at work, then lower it to 62 degrees when you go to bed. This can save you up to 40% on heating and cooling costs. Unlike manual thermostats, programmable thermostats have a digital screen that you can use to set the temperature. You can program the times you wa