What is the root difference between industrial, commercial and residential HVAC? Why understanding the space capacity is important when selecting adequate system and duct work?

Starting with the detailed understanding of each different type of occupancy we will obtain a better grasp on what your needs are. Coming in at the smallest type of building type is residential, defined by law insider; uses of land, buildings, or structures designed or intended to be used as living accommodations for one or more individuals.

Below are common sizes of units used for residential homes:

Next, commercial buildings consist of offices, retail stores, and restaurants. Key factor for these types of buildings are the hvac system will distribute cooling/heating throughout multiple zones within a building. More robust thatn a residential. Because there is regulation of where the air is being supplied you have more than one unit type within the system, You have your typical rooftop unit (RTU) as well as you air handler units (AHU).

Below are common sizes of units used for commercial buildings:

Industrial on the other hand are the largest type of buildings that are created in the United States such as factories, warehouses, data centers, and manufacturing plants. In order to provide enough air for these type of buildings you will need chillers, boilers, and special ventilation systems.

Below are common sizes of units used for industrial buildings:

            In conclusion, proper sized HVAC systems differently corelates to the effective optimization of your system. Too little of a duct system comes inefficiency, increases energy consumption, and potential uneven temperatures throughout the space. On the other hand, an over sized system will cause a short cycle. Leading to frequent on-off cycles that reduce efficiency, and increase wear and tear on the equipment. Main reason you want to select the correct set up for your hvac system is for your system longevity as well as reducing energy wasted.