Dean kicks off part two of "Staying Cool" weekend, emphasizing the importance of addressing AC issues as they arise. He recaps key tips from yesterday, such as running the AC longer to reduce power spikes and improve dehumidification, which enhances evaporative cooling for the body.

Diving deeper, Dean explains that AC systems are complex and depend on more than just equipment quality. He highlights that most HVAC problems are cumulative, involving factors like home insulation and window exposure. Dean reveals that 70% of homeowners are unhappy with their HVAC systems due to poor design and workmanship.

Finally, Dean discusses the importance of proper duct placement and sealing, noting that register placement is crucial for effective air circulation. He advises placing supply lines on the far side of rooms, away from return air vents, for optimal cooling.