How many of you are familiar with the energy-saving method of storing ice that is made during the cooler and not so energy intensive night times and using the ice to run the HVAC system during the peak energy timings in the hot afternoons.
The linked page has some information on such a system. Though the product offered by this company is suitable for smaller HVAC systems, they do give energy savings and moreover, help in reducing the maximum demand during peak consumption time.
There could be larger systems available in the market and HVAC consultants may be able to throw more light on this topic. It is worthwhile understanding the concept and discussing with our clients regarding the same on such an available option for energy conservation.