When a problem crops up with your cooling system, it’s good to know some relevant terminology so you can discuss the problem with your HVAC technician and have a clearer understanding of the advice or diagnosis you receive. Here are some cooling system-related HVAC terms that you should become familiar with.
- Air handler — This is the indoor portion of your cooling system that houses the evaporator coil, blower fan and condensate drain.
- Evaporator coil — Located inside the air handler unit, this coil of copper refrigerant tubing absorbs heat from your indoor air.
- Blower fan — The blower fan sits just above the evaporator coil, and it draws air across the coil for cooling, then pushes newly cooled air out through the ductwork.
- Compressor — This is the critical outdoor component that pressurizes refrigerant and pumps it through your cooling system.
- Condenser coil — Located adjacent to the compressor inside the outdoor unit is the coil of refrigerant tubing that releases heat into the outdoor air.
- Refrigerant — This chemical compound travels through an air conditioner or heat pump’s refrigerant lines and coils. During the cooling process, it transforms from a liquid to a gas and back, so it can absorb indoor heat and release it outside.
- SEER — SEER stands for seasonal energy efficiency ratio. It’s a rating given to cooling equipment to represent its energy consumption relative to its cooling output over a single season. Equipment with a higher SEER rating is more efficient, and the minimum rating allowed per the Department of Energy is 13.0.
- Two-stage cooling — When equipment has two-stage cooling capabilities, it means the air conditioner or heat pump compressor has two levels of operation — low and high. These compressors operate on low for longer periods, so they provide better humidity control and enhanced energy efficiency.
- Variable-speed blower — A blower fan motor that operates at a range of speeds is called variable-speed, and this type of motor can automatically adjust its speed for better control of conditioned air output.
For more insight into HVAC terms that relate to your Monmouth County home’s cooling system, contact us today at Aggressive Mechanical Contractors.
Our goal is to help educate our customers in Monmouth County, New Jersey and surrounding areas about energy and home comfort issues (specific to HVAC systems).
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