AIR CONDITIONING

AIR CONDITIONING

Air conditioning is the favoured technology to provide combined heating and cooling solutions for office, retail and leisure. It is available in many different forms dependent upon the requirement of the building and its occupancy.

Ambient’s in-house team designs, supplies and installs high performance, energy efficient and highly cost-effective heating and cooling solutions throughout the UK.

The following provides an overview of two of the most popular configurations.

INVERTER SYSTEMS

Inverter systems optimise the efficiency and accuracy of the cooling and/or heating system, which is achieved by controlling the speed of the compressors. This in turn modulates the capacity of the system to match the exact load/duty required.

Inverter products are so efficient and environmentally “friendly” that the government encourages such installations by allowing businesses to claim an Enhanced Capital Allowance (ECA), making it a very tax efficient purchase indeed. For further information please refer to the ECA’s website.

The heating function of this form of heating is known as a heat pump, which is exceptionally efficient to run, and results in low power consumption, low carbon emissions and low running costs. The efficiency of the system is quantified by the COP (the ratio of power in to power out):

1kW power in (electricity) = 4kW heat out, or a COP of 1 to 4

These COPs can be recorded in excess of 1 to 6 pending good design, operation and conditions

VARIABLE REFRIGERANT FLOW (VRF) HEAT RECOVERY SYSTEMS

This type of system offers the additional advantage of energy (heat) recovery, which offers significant energy saving opportunities.

The heat recovery (VRF) system can be installed into the majority of new and existing buildings, and consists of a number of indoor units connected to a central outdoor unit offering simultaneous heating and cooling capability to each individual indoor unit (as required by the occupant).

Energy savings are achieved as follows:

If one side of the building is in direct sunlight causing the area to require cooling to achieve a comfortable temperature, then the likelihood is that the other side of the building is in the shade and requires heating

The VRF heat recovery system cools the sunny side of the building by absorbing the heat, then transfers that ’waste’ heat into the area at the shaded side of building, providing ‘free’ heating.

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