Manual J Required: Why Rule-of-Thumb HVAC Sizing No Longer Cuts It

Manual J Required: Why Rule-of-Thumb HVAC Sizing No Longer Cuts It

Manual J Required: Why “Rule-of-Thumb” Sizing Is Yesterday’s News Picture a blazing July afternoon in Rockford, Illinois. Maya Garcia is on her third glass of iced tea, yet the upstairs nursery still feels like a sauna. Her brand-new 3-ton air-conditioner keeps...
Manual D Calculations: The Key to Optimal Airflow Efficiency

Manual D Calculations: The Key to Optimal Airflow Efficiency

Manual D Calculations. The phrase may sound technical and uninviting at first, but these three words hold the power to transform a home from an average living space into a blissful oasis of comfort. Imagine stepping into a house on a sweltering summer afternoon and...