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Looks into the significance of humidification and dehumidification systems for facility and buildings. Risk in noncommissioning these systems; Benefits experienced on buildings installed with humidity control systems; Advantages brought by the technology.

The article focuses on building operators will be challenged to run their HVAC systems in the most energy-efficient manner while supporting evolving space usage decisions. Topics include building owners should have a current facilities requirements (CFR) document explaining the operating intentions for all building systems, and the CFR should be clear on which strategies were intended to be permanent and which were intended to be temporary.

The article offers information on similarity between music and HVAC system. Topics discussed include need for tuning of instruments by musicians, similar to an HVAC system needing all of its sensors calibrated; need for maintenance, operation, and optimization (MO&O) for effective operations and maintenance (O&M); need for O&M staff training to sustain optimal system performance.

The article offers information on theme of testing, adjusting, and balancing (TAB) for Heating, ventilation, and air conditioning system. Topics include providing unambiguous air and water flow requirements that need to be balanced and documented by the TAB contractor upon completion of each phase; and broken damper linkages, seized up control valves, failed check valves, closed smoke dampers, missing fan belts.

The article focuses on the value of testing, adjusting, and balancing (TAB) coordination for enhancing the efficiency and success of Heating, ventilation, and air conditioning (HVAC) commissioning. It mentions the TAB contractor is scheduled to balance the systems at the end of construction; and also mentions the TAB contractor will be expected to show up to perform the balancing.

The article offers information about the two new construction commissioning projects with similar challenges and as-yet unwritten endings. The first project is one in which the commissioning professional was engaged before the schematic design phase, and the project is currently early in construction. The design engineers did not develop a detailed set of control sequences during the design phase.

The article discusses the freezing temperature of the heating, ventilation and air condition (HVAC). Topics mention including information regarding the commissioned systems, examples of winterization processes intended by the design and construction team and the resultant of the low glycol concentration.

The article discusses the significant role of manuals on the longevity of commissioned systems. Topics include the process of documentation, the elements critical for the existing sustainable operation of the commissioning and the HVAC controls section which is the most referenced part of the manual. Also emphasized is the need for a competitive commissioning proposal to ensure that all the members of the commissioning team will meet their responsibilities throughout the process.

The article offers information on topics related to building commissioning. Topics mentioned include the project managers for building commissioning, the financial management of construction projects, and the importance of capital project budgets management. Also mentioned are the role of heating, ventilation, and air conditioning (HVAC) in building commissioning and the importance of commissioning project.

The article provides a description of the terms "deferred testing" and "seasonal testing" that are common throughout the building systems commissioning world. The consideration of deferred testing to be universally defined as testing that cannot be effectively or conclusively performed during the construction phase is tackled. The seasonal testing is defined by the author as functional performance testing at near-design heating and cooling weather conditions.

The article offers the author's insights on topics related to Leadership in Energy and Environmental Design (LEED) v4 for exterior envelope commissioning (EECx) for building design. Topics mentioned include the importance of heating, ventilation and air conditioning (HVAC) system commissioning to EECx, the management of building energy consumption, and the policy by the U.S. Green Building Council on the exterior enclosure of buildings.

The article focuses on variable air volume (VAV) reheat which are often marginalized and documented in the design and construction process. Topics discussed include heating airflow equal to minimum cooling airflow or allowed to modulate up to a set point heating maximum airflow, modulate damper and central air handler outside air damper control and budget to pay the commissioning professional to review programming code.

The article discusses the responsibility of the commissioning professionals to maintain and create an appropriate heating and ventilation (HVAC) systems within the industrial buildings. It highlights the importance of air or water balance to promote indoor air quality within the industry. It also cites the role of the controls contractor in controlling valve actuator for the cooling system.

The article discusses aspects of the commissioning standard for the building design system of the regulated and non-regulated industries in the U.S. It states that the end-user requirements and commissioning plans are developed for a variety of projects that utilize automated systems including fire protection and safety systems, electrical power system and heating ventilation and air conditioning. It cites the importance to achieve high-priority system performance of HVAC system.

Presents a schematic diagram on rare book rooms with heating and ventilation unit using DX cooling, hot water reheat and steam humidification basic system.

Presents a quiz about a basic design and commissioning for a steam propelled unit heater system. Minimum and maximum heating; Verification for manual switching of the unit heater's on-off switch to the off position.

The article discusses the control submittal review and controls integration process in heating, ventilating, and air conditioning (HVAC) system. Topics covered include the focus of the process on confirming that the controls of the system are effectively integrated with on-board controllers. Also mentioned is the need for controls contractors to be deeply knowledgeable with this process.

The article reports on the importance of testing and documenting air and water balancing in a heating, ventilation and air conditioning (HVAC) system. It discusses the data included at testing, adjusting, balancing (TAB) reports, particularly the documentation of airflow readings. It suggests the need to indicate the mode of air handling system wherein terminal units were balanced to address mixing damper conditions and improve system performance.

Presents a review test on designing steam-to-hot water exchanger basic system and commissioning of heating, ventilation and air conditioning systems (hvac). INSET: Helpful hints..

Presents a quiz about the basic system design and commissioning of an outdoor air handling unit in the heating and ventilation industry.

The article reports on the use of complex HVAC (heating, ventilation, and air conditioning) systems. It discusses the potential risks and costs inherent to complex systems including higher first cost and unqualified contractors to implement the design. It is stated that failure to operate the systems properly, could result in more energy use than a simpler system operated well.

The article offers the author's insights on Functional Performance Tests (FPT) sampling. The author recommends 100% examination of all central/infrastructure systems and their associated controls including central air handling systems, central chiller plants, and central boiler plants. She states that sampling begins to make economic sense when there are over 10 of a similar type of non-mission critical systems, typically heating, ventilation, and air conditioning (HVAC) system terminal units.

The article discusses the two main causes of control challenges of heating, ventilation and air-conditioning (HVAC) system including the integration, coordination and cooperation needed for members of HVAC and the modern energy designs and control systems. It notes the level of review and coordination which to be focused on HVAC controls during construction phase. It also outlines some control concerns of HVAC including device coordination, controller and control programmer integration.

The article presents the author's views on substantial completion and trend of owners that accept buildings as substantially complete even when mechanical and electrical systems are not fully integrated and incomplete. She explains that most owners just want results and are no longer interested in details. The author suggests that owners must promote functional testing to determine the outcomes and efficiency of HVAC systems.

The author addresses the challenges in documenting integrated HVAC control systems. It is inferred that HVAC system documentation is essential for sustainable operations and maintenance (O&M). The role of the building automation systems (BAS) contractor in the documentation of integrated HVAC control systems is outlined.

The article reports on the challenge faced by equipment manufacturers regarding the integration of heating, ventilation and air conditioning (HVAC) system, particularly on-board equipment controllers, with a central building automation system (BAS). It suggests design engineers to define equipment control points which can be combined with central automation system. It also notes the need to specify the requirements of controllers and BAS to determine whether they are compatible or not.

The author describes the issue disclosed through analysis of the trend graph included in her May 2012 "Commissioning column, followed by a wrap-up summary on trend logs and new construction commissioning. She explains that the trend log analysis is not a substitute for field functional performance testing during new construction commissioning. However, she recommends analyzing trend logs and addressing performance issues identified through trend logging as a pre-test commissioning activity.

The article focuses on the analysis of the performance of a mixed air-handling unit (AHU) as a heating, ventilation and air conditioning (HVAC) system. It is inferred that the system has been equipped with an airside economizer, chilled water cooling coil and a heating hot water coil. A graph depicting the performance of a building automation system (BAS) to be analyzed in the May 2012 issue is presented.

The article presents a heating trend analysis which demonstrates air systems on underground parking garage below a condominium complex in the U.S. It discusses the garage air system which is controlled based on carbon monoxide (CO) and space temperature through an interlocking makeup air unit and exhaust fan that removes more air from the garage than introduced by the makeup air unit. It offers a heating trend graph depicting the garage makeup air unit data collected from portable dataloggers.

The article presents the author's insights on the use of data trend logs in in-field functional performance testing (FPT) in direct digital control (DDC) heating, ventilation, and air conditioning (HVAC) systems commissioning process. It says that some do not use pre trending programs due to additional time on the commissioning schedule and field time requirements. However, trend logs are important for a smoother field FPT and HVAC system problem troubleshooting.

The article offers tips on how to deal frustrations in conducting functional performance testing for the heating, ventilation and air conditioning (HVAC) systems. The author states that conducting controls integration meeting and functional test procedure review are the two elements needed in having a successful testing. She adds that early planning and communication can also help in preventing wasted times and misunderstanding, as well as frustrations.

The article discusses on how to conduct a trend log analysis during heating & ventilation (HVAC) commissioning. It states that functional performance testing (FPT) is the culmination of the commissioning process but does not allow observation under normal operating conditions and load fluctuations. To supplement FPT, trend logs are used in validating the operation of HVAC systems. Using dataloggers to monitor and record control input and output points can also pinpoint operational issues.

The article discusses the commissioning of an office building for expansion. It notes that the commissioning team conducted functional performance tests at the end of construction and confirmed that all the heating, ventilation and air conditioning (HVAC) systems performed as intended. Moreover, the design and construction commissioning process was intended to match system integration, setpoints, and control sequences to the dynamic needs of building occupants and processes.

The article defines decommissioning as the removal of something from service while minimizing or eliminating danger to people and the environment. This may be applied to all building infrastructure systems, such as heating and ventilation (HVAC), electrical power, lighting circuits and fire protection. Commissioning is a pre-design through construction process intended primarily to mitigate problems typical to the end of construction projects of any type.

Discusses the advantages of preparing systems operating procedures (SOP) during the building design and construction stage. Role of facilities management professionals in formulating the SOP; Need for the design and construction team to collaborate with the controls contractor in preparing the building operational instructions; Implications for the operability and maintainability of building systems.

Explores the options regarding who will provide commissioning service for the heating, ventilation and air conditioning industry. Job responsibilities of an installation contractor; Capabilities of a balancing contractor; Familiarity of the design engineer with the systems to be commissioner; Responsibilities of a third-party professional.