As Phoenix heads into another spell of dangerous heat, many residents are likely to keep their air conditioners running for hours on end. That kind of cooling helps people stay safe and comfortable, but it can also send electricity costs soaring.
Before the next bill shows up, a few basic maintenance moves may bring those cooling expenses down.
What’s happening?
With an extreme heat warning in place for metro Phoenix through Friday, many households have little choice but to run their AC around the clock.
Swap air filters out monthly during summer, experts told AZFamily. Accumulated dirt can make the cooling system work harder than necessary…