In today’s world, everything is optimized to work directly from your fingertips — your calendar, your security system, and now your thermostat. With a smart thermostat, you can be at work, the grocery store, or a thousand miles away on vacation, and still be able to control your AC unit at the touch of a button. They’re WiFi-enabled, so as long as you have a wireless connection, you have constant access to your HVAC.

If your energy bill seems to be rising with the temperatures, keep reading to find out how you can save money and keep energy costs low.