by Mark Hansberger on August 23, 2018September 24, 2018 How Time-Variant Pricing and HVAC Interact If you haven’t heard about Arizona Public Service’s (APSs) time-variant pricing plans, you might be paying more than you need to for electricity. This type of pricing is often called time-of-use (TOU) and APS offers […]Read More Filed Under: HVAC system Tagged With: Cooling– energy efficiency– hvac system– peak hours– pricing– time variant pricing