Smart Vents: Do Motorized Registers Actually Solve Room Temperature Problems?
They are marketed as a cheap alternative to zoning. The physics of your duct system has an opinion about that.
Read the guideDuctwork & Airflow
Duct leakage, static pressure, return air, and getting cooling to the rooms that need it.
Vaulted Ceilings and Great Rooms: Why They Are Hard to Condition
High ceilings look wonderful and create a specific set of HVAC problems. Here is what causes them and what actually helps.
Read the guideCFM Per Ton: The Airflow Number Behind Everything Else
Capacity means nothing if the air does not move. Here is the number that determines whether your system can deliver what it produces.
Read the guideRegisters, Grilles, and Diffusers: The Parts You Can Actually Adjust
The only part of the duct system most homeowners can reach. Here is what they do, what to adjust, and what not to.
The Return Air Problem in Older Phoenix Homes
Everyone thinks about supply registers. The return side is where most Valley airflow problems actually originate.
Duct Sizing Basics: Why the Pipe Matters as Much as the Equipment
Undersized ductwork limits every system connected to it. A plain explanation of how sizing works and how to tell yours is wrong.
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