Air conditioning without CAPEX

Utilities whose production you don't expect in your investment costs: heat (usually), electricity, gas ... air conditioning. CAPEX / OPEX calculation is the basis of every investment. Naturally also in the construction industry. More and more effort is devoted to reduce the total cost of life (LCC), but optimization - i.e. cutting investment costs - is still in the spotlight. Utilities such as heat, electricity, and gas rarely appear in the investment costs (or appear in a small amount). Heat, electricity and gas are such media. Nobody produces gas on their own. Today we add cold for air conditioning to this list. Large energy companies have already noticed the potential to expand their offer and the relatively large market for this energy carrier. Technically, this does not mean that cold glycol pipelines will be built in cities. This means that a room will appear in your office building from which two sets of pipelines will come out: those with heating and those with cooling. What