Light commercial HVAC systems are usually installed in commercial buildings rather than in residential properties. Some of the key consideration when buying such a system include:
Look for a HVAC system that has all the relevant units including compressor, condenser, and evaporator. Where necessary, select one that also has humidifying and dehumidifying units. Take note some HVAC systems are based on a split rather than a single package. This means they have units for installing outdoors and units that should be installed outdoors.
Overall, the energy rating of a heating and cooling system that has all the units described above will range from 65,000-250,000 Btu/h. As such, select a system that will fulfil the heating and cooling needs of your commercial building.
In most cases, owners of commercial buildings install HVAC systems that are powered by gas or electricity. Once again, it is up to you to choose a heating and cooling system that you can fuel without problems. However, you should note that the supply for electric-powered heating and cooling systems is usually three-phase.
You should select an HVAC system that is energy efficient to reduce your monthly space heating/cooling expenses. In particular, check the Energy Efficiency Ratio (EER), Coefficient of Performance (COP), Seasonal Energy Efficiency Ratio (SEER), cooling capacity, Heating Seasonal Performance Factor (HSPF), and Integrated Part-Load Value (IPLV). Fortunately, HVAC units with an Energy Star rating generally meet the energy-efficiency requirements/thresholds set by authorities that regulate building standards at the national, state, and county levels.
A light commercial HVAC system is the right choice if you intend to purchase and install one in a commercial building. With this in mind, factors to consider when shopping for such a system include energy efficiency, fuel type, system units, and energy rating. On the energy efficiency front, make sure your choice complies with local and state requirements.
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