This brand is made and sold in Australia. The CLASSIC range offers basic units while the ESP range offers ultimate units with a variable speed fan and compressor. With the ActronConnect option, the units can be controlled through a smartphone or computer.
The ESP PLUS systems have advanced zoning capability and can serve up to eight independent zones in the home. The ESP PLATINUM models have inverter drive fans as well as compressors for very quiet and durable operation. They have coated indoor and outdoor coils to minimize corrosion as well as smart defrost for energy savings. The warranty on the brand is not very good when compared to other units but they have their own Australian national service department.
These units are from ALLIED AIR ENTERPRISES which is owned by LENNOX INTERNATIONAL. The 4SHP14LB has onboard diagnostics and quietshift technology but the warranty is not as good as some brands. The 4SHP16LS is a premium unit with enhanced diagnostics and a compressor blanket for noise control but the warranty is not very good. All of the units feature their MHT technology for enhanced refrigerant and airflow through the unit which maximizes efficiency for the unit's size. The 4SHP20LX is an ultimate heat pump with a 20 SEER cooling efficiency and a pretty decent guarantee but the units are only sold in the USA through their authorized dealers.
The 4HP14L is a basic heat pump and uses timed defrost instead of demand which is less energy efficient. The units are relatively loud with sound levels close to that of standing on the sidewalk and having a bus go by. They are "builder grade" units but have louvered panel construction to protect the condenser coil from mechanical damage and factory installed filter/driers to protect the refrigerant system from moisture. This is another brand from LENNOX INTERNATIONAL and they are usually sold by Lennox or Armstrong Air dealers but the standard warranty is not very good.
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