The cooling agent then builds up warmth till it becomes a gas which is moved to the beyond the building using a compressor. https://acs3nsxo67ydidrb6mkaulqzeljwhfidvzwhfyji5lag2av65nnq.cdn.ampproject.org/c/s/www.folkd.com%2Fsubmit%2Fchingfordhvac.co.uk%2Fair-conditioning-installation.html%2F