7 Useful Rule of Thumbs in HVAC (Must Know)
In HVAC, rule of thumbs are useful for preliminary design checks and quick estimations. They…
Can Mini Split Lines Run Vertically Upward?
Suppose you want to install the condenser (outdoor unit) of your new mini split system…
Why 400 CFM per Ton? (Rule of Thumb Explained)
400 CFM per ton is regarded as the standard rule of thumb by many HVAC…
Mini Split Brands: Who are They and Which are the Best?
There are many mini split brands. Did you managed to learn all of them? To…
Duct Friction Loss Formula: How to Calculate Friction Loss in Ducts?
As an engineer, we are taught to size ducts based on a common friction loss…
Central Return vs Dedicated Return: An Unbiased Comparison
A centralized return or a dedicated return in every room are both viable ways to…
