Microclimate

TURNER BUILDING SCIENCE LLC.

Design Services

Microclimate Analysis

Many Indoor Air Quality Problems result from what seems to be an industry standard of poor microclimate analysis. Turner Building Science understands the effects the environment can have on an HVAC system, and has the experience to diagnose existing problems and design new systems that benefit from the environment around them.

Pollutants?

Solar Gains?

Infiltration?

Re-Entrainment?

There is little question as to whether Microclimate analysis is an essential component of good architectural design. After all, it is widely accepted that a building design must respond to the environment, whether it be as simple as taking advantage of views, or as complex as looking at solar angles for the placement of windows and the length of overhangs.

Unfortunately, not as many people realize that possibly even more than Architecture, the Micro Climate effects the design of HVAC systems. Some of the critical influences include the location of outdoor intakes relative to contaminants, location of exhausts to prevent re-entrainment, solar gains and wind induced air pressures.

Outdoor Intakes must be located such that outdoor air currents do not entrain contaminants such as diesel exhaust from busses, combustion by products from chimneys, off site industrial pollutants, or even decomposing organic materials.

Exhaust plumes from such things as sewage vents, space exhaust and chimneys must be located such that predominant winds will not cause contaminants to be re-entrained into the ventilation system intakes.

Heating and Air conditioning loads are effected by components of the environment such as solar gains, wind pressures (see table below), and heat sinks such as parking lots and black roofing adjacent to the outdoor intakes.

(Table Generated by Turner Building Science)

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