Testing and Balancing


AIR BALANCE & WATER BALANCE services assure that HVAC systems deliver intended comfort conditions and that hydronic systems provide intended efficiencies by meeting design specifications.

In addition to traditional comfort control systems, applications also include more sophisticated air distribution and air quality control requirements that exist in hospitals; biological, pharmaceutical and medical research laboratories; semiconductor manufacturing; clean rooms and other applications in which the highest standards must be met.

AIR FLOW / DISTRIBUTION EVALUATION

> Maximize Occupant Comfort and System Efficiency
> Provide Indoor Air Quality Protection
> Eliminate Duct Leakage
> Ensure Appropriate Air Flow, Velocity and Static Pressure
> Verify Differential Pressures

FUME HOOD AND CLEAN ROOM TESTING

> Evaluate Face Velocity for Exhaust Hoods
> HEPA Clean Room Filter Outlets
> Laminar Flow Work Stations
> Large Filters and Coils

WATER BALANCE

> Testing-Adjusting-Balancing
> Analysis of Entire Hydronic System



We provide professional third party Testing-Adjusting-Balancing (TAB) and diagnostic services for air and hydronic systems. With over 50 years experience as heating, ventilation and air conditioning (HVAC) experts, we provide

COMFORTABLE and SAFE ENVIRONMENTS!





Testing and Balancing Sample Projects

RESTAURANT & KITCHEN AIR BALANCE
Performed an air balance survey at four restaurants to offer recommendations for improved kitchen supply and exhaust airflow and guest comfort in the dining areas. Total exhaust and make up air readings were taken for each kitchen exhaust hood as well as total supply air measurements for the air conditioning units. Operational evaluations were performed on each HVAC system, exhaust fan and make up air unit. Interior ductwork was inspected and load calculations provided for each location. Upon completion of the investigation a report with recommendations and budget pricing was provided. All locations required airflow adjustments to kitchen makeup air to bring more unconditioned air to the hoods enabling them to exhaust less conditioned air. These adjustments included sizing and replacing sheaves and pulleys and adjusting outside air settings on the units. The dining areas of all locations required air balance to achieve proper air flow. Some locations needed ductwork modifications, adding make up air units and ductwork and unit cleaning.

AIR BALANCE BASE ADMINISTRATION BUILDING
Corrected HVAC deficiencies in a base Administration Building. Work included air balance of recently renovated ductwork, adding balancing dampers, water balance of fan coil units and air duct cleaning. Baseboard heaters were replaced with an electric duct heater, a zone damper was installed in the supply duct and controls with a remote thermostat were added.

UPS ROOM AIR CONDITIONING & PRESSURIZATION
Installed supplemental air conditioning for the UPS Room and a through the wall exhaust fan to vent the hydrogen gas from the area. Tied the new unit into the main high pressure truck duct and routed new ductwork with an air volume damper to the UPS Room. We added a fixed damper in the wall between the open area and the UPS Room and sized and installed an exhaust fan with an explosion proof motor and switch to maintain the room in a slight negative pressure.

HOSPITAL ISOLATION ROOMS
Designed and installed mechanical and ventilation systems and associated alarm systems for isolation rooms for a local hospital network. Designs met all Center for Disease Control (CDC), American Institute of Architects (AIA) and ASHRAE standards for infectious and protective isolation rooms.

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