High velocity air conditioning system from Unico

Unico's ICC-ES PMG listed high velocity air system features heating and air conditioning ducts that are one quarter standard size.

The custom system offers greater efficiency and comfort, and can be zoned, offering even greater energy savings.

Craig Messmer, director of engineering, Unico, says that what makes the system different is how it delivers air.

The Unico System features outlets that consist of a five inch diameter face plate with two inch holes connected to similar sized ducts delivering heated or cooled air.

The amount of holes corresponds to the size of the room.

Ceiling ventilation comes through ducts twice as large, or 4 inches, because of insulation.

Unobtrusive duct work is fabulous for renovation, especially for older homes and buildings.

Small duct high velocity air distribution systems have been around for years - but they are a niche product.

The Unico System is now recognised through the trusted ICC Evaluation Service PMG listings, the first in their field to be so.

ICC-ES Plumbing, Mechanical and Fuel Gas listings verify that new or innovative building products meet code requirements, exactly what Unico needed.

Many states also require a certain R-value (measure of thermal resistance) in duct work.

A higher R-value means thicker insulation and less heat leakage.

But previous codes only took flat-walled ducts into account.

The equation works differently when comparing round ducts of varying diameters.

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