Logistics storage

How warehouses and distribution centers maintain temperatures.

With very high ceilings and vast storage areas that are ever changing due to stock and materials movement, distribution and warehouse centers face ongoing temperature control battles:

Winter – Achieving even heat distribution throughout all levels of the structure

Summer – With or without air-conditioning, adequate ventilation and cooling is often troubling issue

Benefits of using Greentec HVLS warehouse ceiling fans:

Reduced temperature – When used as a stand-alone cooling system,  HVLS fans can reduce the temperature to yield effective cooling of up to 8° F less within the fan’s coverage area (up to 20,000 square feet per 24ft fan).

Increased efficiency – When used in conjunction with an air conditioning system, a  fan’s slow and steady airflow can reduce or eliminate the need for costly and efficiency-reducing A/C ductwork.

Low energy costs – One Greentec  HVLS fan consumes about the same electricity as one high-speed alley fan while moving over 12 times the amount of air. One AirVolution™ fan costs about a nickel an hour to operate.

Quiet operation – HVLS fans deliver quiet and non-disruptive operation.

Increased cooling effect – When it’s hot in facilities without A/C, the slowly moving air created by Greentec’s  HVLS warehouse fans breaks up the moisture-saturated boundary layer surrounding the body, accelerating evaporation to produce a cooling effect of as much as 8˚F. When used in conjunction with air conditioning or evaporative cooling systems, our  HVLS warehouse fans can efficiently circulate cooled air throughout the structure and have an increased cooling effect.

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Improved heating effects during winter – During the cold months the basic problem is temperature stratification. As heated air rises, it gets caught at the ceiling. This hot air can typically yield well in excess of a 15° F differential from that found on the floor. Greentec HVLS warehouse fans run in reverse (a standard feature from Greentec) circulates this trapped heat, continually forcing it down throughout the facility, providing even distribution of heat from floor to ceiling, especially important when employees are working on different levels.

Our studies found that Greentec HVLS warehouse fans can reduce the difference in these temperatures to within 1° -3° F. In a situation where the difference was 15° F (without a fan), the rise in temperature (with a warehouse fan) on the floor would be 5° -7° F. Furthermore, because the warehouse fans would be running in reverse for the winter, there’s never a chilling breeze and air movement is almost imperceptible. The warm air moves slowly off the walls toward the center of the hanging warehouse ceiling fan.

Superior ventilation – Greentec industrial ceiling fans also provide superior ventilation capabilities. They continuously mix incoming fresh air with stale air, thus minimizing the total amount of ventilation required to achieve adequate air quality. No other warehouse fan, system, or ventilation technology does this better.

Balanced temperatures – Heat in cold rooms, whether the temperature is low or medium, stratifies just as it does in open unconditioned areas. Greentec warehouse fans can circulate the cooled air and balance the temperatures from floor to ceiling. In regions of the country where average energy rates are calculated and applied to the next period based on peak demand hours, the cost savings can be significant.