Busting 10 Common HVAC Myths (You Might Still Believe)
When it comes to heating and cooling, everyone’s an “expert” — until the energy bills spike or the system breaks down mid-summer. From old wives’ tales to well-meaning advice from your neighbor, HVAC myths have been circulating for decades. But believing these myths can cost you comfort , efficiency , and money . It’s time to set the record straight. Let’s bust the 10 most common HVAC myths —once and for all. ❌ Myth #1: "A bigger HVAC system means better performance." Truth: An oversized system doesn’t cool or heat faster—it short cycles. This causes uneven temperatures , higher energy bills, and excessive wear and tear . Always size your system based on proper load calculations, not just square footage. ❌ Myth #2: "Closing vents in unused rooms saves energy." Truth: Nope. Modern HVAC systems are balanced. Closing vents can increase duct pressure , causing leaks or damaging your system. It actually makes your HVAC work harder , not smarter. ❌ Myth #3: ...