@fox10phoenix: Triple-digit season is officially here, and your AC is about to pull double shifts. We sat down with a pro to get the "no-nonsense" guide to keeping your house cool without a 2:00 AM emergency call. Chris Watt, instructor from Refrigeration School, joins FOX 10 Talks with the top 3 DIY tips to save your unit (and your wallet) this summer: The 30-Day Rule: Change your filters every 30–35 days. Keep it Simple: Skip the fancy "pleated" filters. Our expert recommends the cheap multi-packs; they allow for better airflow so your unit doesn't have to work overtime. The Garden Hose Hack: You can spray down the outside coils to help your unit "breathe," but safety first—turn the thermostat off before you start so the fan isn't spinning!