Regarding Loy Lobo’s yell for help on his condensation problem as noted in the June 5 Hotline: With 50°F or even 55° suction and the service humidity conditions he has to contend with, 1/2-in.

A vendor with software that automates calculations as HVAC and electrical systems are designed is finding that customer inertia may be the hardest equation of all. "Engineers are not very risky people ...

Simply knowing the cubic-feet-per-minute requirements is not enough when choosing fans. Several factors come into play when estimating the size of cooling fans needed to keep electronics cool inside ...

Our industry uses ranges like 350 to 400 cfm (cubic feet per minute) per ton to estimate required cooling and heat pump airflow. With a few pieces of information, you can use similar ranges for gas ...