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Traditional AC systems with ducts have maximum SEER ratings slightly below these levels. Also, practically, central systems will have an achieved energy efficiency ratio 10–20% lower than the nameplate rating due to the duct-related losses. Additionally, there are ground-source residential AC units with SEER ratings up to 75. [15]
All modern air conditioning systems, even small window package units, are equipped with internal air filters. [citation needed] These are generally of a lightweight gauze-like material, and must be replaced or washed as conditions warrant. For example, a building in a high dust environment, or a home with furry pets, will need to have the ...
Some air conditioning systems can reverse the refrigeration cycle and act as an air source heat ... Residential central air systems are usually from 1 to 5 tons (3.5 ...
A fan coil unit (FCU), also known as a Vertical Fan Coil Unit (VFCU), is a device consisting of a heat exchanger (coil) and a fan. FCUs are commonly used in HVAC systems of residential, commercial, and industrial buildings that use ducted split air conditioning or central plant cooling.
Trane's first air conditioning unit was developed in 1931. In 1982, Trane purchased General Electric's Central Air Conditioning Division. [2] [3] With that purchase came many of the most recognizable traits of Trane's residential air conditioning products. Many of those traits, like the distinctive red "Climatuff" compressors, rotary ...
A system designed to provide a constant air flow. This term is applied to HVAC systems that have variable supply-air temperature but constant air flow rates. Most residential forced-air systems are small CAV systems with on/off control. Abbreviated CAV. controller