Dean continues with DIY home upgrades to enhance your AC unit, especially for those in the southern U.S. He suggests adding a UV light to keep the inside coil clean in humid climates.

Next, Dean addresses duct cleaning, advising not to worry unless there's a specific cause identified by your HVAC company. He emphasizes that duct leaks are a more critical issue and recommends considering aerosealing.

For older systems needing a compressor boost, Dean suggests a hard start unit, an affordable addition that helps the condenser start more efficiently.

Dean wraps up the hour by summarizing his top tips from the Staying Cool weekend.