In today’s episode of The Build Show, Jake is joined by Ross to dive deep into the topic of air filtration. Filming from a compact mechanical room, the two discuss the importance of proper filtration in residential HVAC systems — covering everything from MERV ratings and surface area efficiency to how different filters protect both indoor air quality and equipment performance. Together, they explain why MERV 13 hits the sweet spot for most homes, balancing filtration effectiveness with system longevity, and explore how this standard applies across air handlers, dehumidifiers, and energy recovery ventilators (ERVs). Whether you’re a builder, homeowner, or building science enthusiast, this episode breaks down what you need to know to design for healthier, more efficient indoor environments.

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