Water cooled air conditioners are installed internally with no outside condenser, therefore do not need planning permission.
Is A Water Cooled Air Conditioner A Good Choice? - Air Boca
Air Conditioning Vs Evaporative Cooling
10 Things to Consider Before Installing Internal Water Cooled AC
Buy Broughton MCSe 14.3 14.6kW Water Cooled Split Portable Air Conditioning Unit from Sunbelt Sales, we promise to match any price you find elsewhere
Broughton MCSe Air Conditioning Unit | Sunbelt Sales
Water-Cooled Air Conditioning without External Units
Air Cooled Chiller VS Water Cooled Chiller
Buy A Wholesale 5 ton water cooled air conditioner from Key