| There are several important factors which should be | | | | energy efficient parts of an HVAC system can save |
| taken into consideration with any commercial HVAC | | | | hundreds and even thousands of dollars in the long |
| design. A commercial HVAC system has many duties | | | | run. |
| other than air conditioning and heating a building. The | | | | Proper sizing of an air conditioning system is also vital |
| system needs to properly ventilate and filter air, | | | | to an effective commercial HVAC design. Sizing a unit |
| reduce humidity to prevent the growth of mold and | | | | properly will ensure that the HVAC system runs |
| airborne bacteria, and monitor the building for carbon | | | | effectively and efficiently. If a unit is too small for |
| monoxide as well. Because of the multitudinous uses | | | | the commercial building, people inside will not be able |
| of a commerical HVAC system, it needs to be | | | | to enjoy a comfortable indoor air temperature. |
| designed to suit the specific building in order to | | | | However, if the unit is too large, the system itself will |
| perform each duty well. | | | | be over priced for the building's needs, and there will |
| One of the most vital aspects of commercial HVAC | | | | be energy wasted because the HVAC system will |
| design is determining how much energy will need to | | | | not ever be able to function at it's peak efficiency |
| be consumed each time the system is heating or air | | | | levels. HVAC systems should be sized to meet the |
| conditioning the building. Since energy consumption is | | | | building's needs and have a very small margin of |
| a priority, HVAC systems often are installed with | | | | extra capacity to account for small changes in how |
| operating schedules which allows the system to run | | | | the building will be used in the future. This also allows |
| only when necessary. These operating schedules also | | | | the building owners to continue to use the system as |
| help contribute to lower energy bills by allowing the | | | | it becomes older and slightly less efficient with age. |
| system to run less during peak hours when energy | | | | Often, HVAC systems are installed which are a |
| consumption is most expensive. Only the most | | | | fourth over sized for the true necessary capacity for |
| energy efficient parts should be used to customize a | | | | the building. This excess capacity is a waste of |
| commercial HVAC design. Though more costly initially, | | | | money and can be costly over time. |