Cooling the Home Through Thermal Extraction

In the cooling mode, the OM Solar system offers the following advantages:

1. It prevents heat accumulation under the roof by continuously enabling hot air to move upward through the air passage under the roof's surface, after a transfer of heat in the air-handling unit for hot water supply (as needed).
2. The naturally ascending hot air is exhausted directly to the outside through an air outlet.
3. For masonry or concrete building structures, a new insulating metal-roof system has been developed that, by reducing heat gain, helps prevent shrinkage or expansion of the roof's structural material.
4. Nighttime skyward radiation enables the OM Solar system's metal roof panels to cool down the air that has been inducted into the underroof air passage from the exterior. That cool air is then channelled downward into the home to cool its inner spaces.

Summer Cooling (Daytime)

Summer Cooling (Nighttime)

Solar Heat-Supplied Hot Water

Hot water is supplied by means of a closed-loop system. Sun-heated air from the roof transfers heat to the heat exchange coils located in the air-handling unit. The heat transfer fluid in the coils (containing glycol, an antifreeze) heats up and moves down to the home's hot water storage tank where, in turn, it heats up the water supply before returning back to the coils.

Hot water temperatures will naturally vary according to climate and season. In temperate climates, hot water temperatures of between 86 and 122Fº (30 and 50Cº) can be attained from spring to autumn.

In winter, the OM Solar system's primary function is to heat the home. When the home has been heated to the desired level, the system will automatically switch over to hot water supply.

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