Is applicable only in warm climate and only 6 months in Armenia. Doesn’t work under 0°C.
Is very good for heating pools in summer as well as seasonal summer businesses with great demand in hot water.
Thanks to greater absorbtion area flat-plate collectors are more efficient than vacuum tube systems in summer so the water is heated up faster. In winter it’s not applicable due to lack of thermal insulation.
Applications: excellent for on-beach applications, summer kitchens and cafes, as well as for heating pool in summer
Pros: much cheaper than vacuum tube systems and more effective in summer
Cons: useless in cold temperatures