• Complaints from tenants, employees, or customers
• High energy costs
• Hot or cold areas
• Ventilation or exhaust problems

Today’s building owners and tenants are more concerned than ever that their heating, ventilating, and air conditioning (HVAC) systems are performing the way they were designed. These goals can best be accomplished when a building’s HVAC and Hydronic systems are properly balanced. Maintaining an efficient work environment results in increased productivity of employees as well as higher sales and lower costs.
The three major steps used to achieve the proper operation of the HVAC and Hydronic systems and a desirable climate are testing, adjusting and balancing.

In many of the buildings, hot or cold water is used in conjunction with an air system to properly regulate the conditions of a specific area. Since there is a correlation between the two, it is necessary to not only balance the airflow but also the water flow (hydronics) so as to get the most efficient operation of the system as a whole.

Testing is the use of specialized instruments to measure temperature, pressure, rotational speed, electrical characteristics velocity, and air and water quantities for an evaluation of the equipment and the system performance.

Adjusting is the final setting of the balancing devices; such as, dampers, valves, and automatic control devices like thermostats, pressure controllers, and computer controls.
Balancing is the methodical regulation of system flow, whether they be air or water, through the use of acceptable procedures to achieve the specified flow quantities, in cubic feet per minute (CFM) or gallons per minute (GPM).

The John W. Danforth Company is a certified member of the National Environmental Balancing Bureau. The National Environmental Balancing Bureau (NEBB) is a nonprofit organization, founded in 1971 by contractors in the heating, ventilating and air conditioning (HVAC) industry. NEBB exists to help architects, engineers, building owners, and contractors produce great buildings with HVAC systems that perform in ways they have been visualized and designed. NEBB establishes and maintains industry standards, procedures and specifications for work in its various disciplines and is known worldwide as an industry leader.

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