Types of Heat Pumps
Heat pumps/air conditioners are split systems, most commonly consisting of an outdoor unit connected by copper piping and wiring to an indoor unit, which is installed in the area requiring heating and cooling. The outdoor unit, which is usually installed at ground level, houses the compressor which extracts heat from the air. The indoor unit houses the fan assembly that circulates warm cool air around the area as required. There are many different types of indoor air handlers and configurations. The most commonly installed in New Zealand are:
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Hi Wall Split Systems These indoor units are placed high on the wall in the area requiring heating and cooling.
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Console Split Systems These split systems are installed either at floor level or mounted just above the floor or skirting board. Some console units can be recessed into a wall or fireplace. |
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Multi Systems Multi systems comprise of a single outdoor unit and up to four indoor air handlers, connected by piping and wiring. The indoor handlers can be Hi Wall or Console style, ducted or bulkhead. These systems are ideal for offices or homes in which heating or cooling is required in each individual area. Multi Systems are also useful if there is only space outside for one outdoor unit.
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Ducted Systems The indoor unit of a ducted system is installed in either the roof space or under the floor or in a basement. Air is then distributed throughout the house by insulated ducts connected to grills and diffusers mounted either in the ceiling or floor. Each ducted system needs to be specifically designed for its particular situation, which our engineers are qualified to do.
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Large Super Multi Systems Large Super Multi Systems are similar to the Multi Systems above, but have a larger capacity and more indoor units can be connected to each outdoor unit.

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| Cassette Systems The indoor unit of a Cassette system is suspended in the ceiling space of the area requiring heating and cooling. All that is exposed of this section of the installation will be the fascia panel, which encloses the return air grill and four-way adjustable diffusers mounted flush to the underside of the ceiling.
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© Gavin Lowe Air Conditioning
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