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Case Study of Mitsubishi Air conditioning Heat-pump installation at GRT Builders & Scaffolding Head Office, Bedfordshire, UK (12/06/19)

Installation of office air conditioning heat-pump systems:


Orion air conditioning and refrigeration ltd complete the installation of a Mitsubishi Heavy Industries air conditioning heat-pump heating system for the new head office building of GRT Limited, Bedfordshire. The office building is spread over 2 stories and the client required heating and cooling. In the summer the building would get extremely hot due to the sun shining through the skylight windows and in winter the large open area had the potential to get cold.


Project Pictures:


Ziplock wire used to hang the cassette Air conditioning Heat-pump

Outdoor Air conditioning Heat-pump MHI inverters R32

Cassette Air conditioning Heat-pump hung by Ziplock wire system

Mitsubishi heavy industries Air conditioning Heat-pump cassettes



What air conditioning heat-pumps were installed in the offices and server room:

Main Office:

3 x Mitsubishi Heavy Industries Air Conditioning FDTC50VH Compact Cassette 5Kw/17000Btu R32 240V~50Hz . These units have a high sCOP (Average 3.47 initial input on) which means that every 1000w of electrical energy going in produces 3470 watts of heat. For more information on heat-pump inverters please here. These cassette units were hung using Ziplock wire system which gave the office air conditioning system a minimalistic and modern look which the client requested.


Mitsubishi Heavy Industries FDT Cassette Air Conditioning Inverter Heat Pump A+  

ZipClip 100m S Wire Reel Box Dispenser With 50Kg Safe Working Load


6 of Mitsubishi Heavy Industries Air Conditioning SRK25ZSP-W Wall Heat pump 2.5Kw/9000Btu A R32 240V~50Hz for all single office areas.


Mitsubishi Heavy Industries SRK-ZSP Wall Air Conditioning Standard Inverter Heat Pump A++

Office air conditioning and Heat-pump efficiency and CO2 emissions:

This office air conditioning heat-pump system took around half an hour to heat fully but once warm the outdoor heat-pump ramped down because the temperature had been reached therefore just pumping small amounts of heat in to maintain heat.


Contact Us:

Sales Installation and Service UK: +44 (0)1234 841221
Tel UK: 01234 841221        
Fax: +44 (0)1234 852662


Orion Air Conditioning And Refrigeration Limited
10 Grisedale Court
Woburn Road Industrial Estate
MK42 7EE
United Kingdom

[email protected]








Orion Air Conditioning & Refrigeration Ltd, 10 Grisedale Court, Woburn Road Industrial Estate, Kempston, Bedfordshire, MK42 7EE, UK

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     Last updated - 09/01/2020