Common types of room temperature air coolers and heaters on the market

Analysis of Common Types of Room Temperature Heating and Cooling Machines

1. Classified by technical principles

Compression type cooling and heating machine

Variable frequency vortex type: adopting full DC variable frequency technology, the energy efficiency ratio (APF) can reach 5.28, supporting wide temperature operation from -25 ℃ to 55 ℃, representative models such as Gree Yunjia series

Variable frequency centrifugal: suitable for large space commercial scenarios, with a cooling capacity of 30-200kW, commonly used in data centers and large shopping malls

Heat pump type cooling and heating machine

Air source heat pump: equipped with jet enthalpy increasing technology, the COP remains above 3.0 in low-temperature environments, such as the Hualing N8HE1 Pro

Ground source heat pump: Heat is exchanged through an underground constant temperature layer, with an energy efficiency ratio of 4.5-5.0, but a pre embedded pipeline system is required

2. Classified by structural form

①. Wall mounted: 1-1.5 horsepower, silent design (≤ 18dB)

②. Cabinet type: 3 horsepower or more, circulating air volume ≥ 1300m ³/h

③. Mobile all-in-one machine: No installation required, integrated humidification function

④ Special function models

Fresh air cooling and heating machine

Equipped with an independent fresh air module (such as AUX MA11 series), with an hourly air exchange capacity of 40m ³ and a PM2.5 filtration efficiency of ≥ 99%

Bathroom and residential dual-use machine

Integrated waterproof design and warm air mode, such as Gree NBFC-X6021, supporting three levels of temperature adjustment

⑤. Select key indicators

Energy efficiency level: Priority should be given to selecting models with a new level of energy efficiency (APF ≥ 5.0)

Temperature control accuracy: The temperature difference fluctuation of the frequency converter model can be controlled within ± 0.5 ℃

Low temperature performance: It needs to be confirmed whether electric auxiliary heating is configured for environments below -25 ℃