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Hvac Systems Evaluation
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Book Synopsis HVAC Systems Evaluation by : Harold R. Colen
Download or read book HVAC Systems Evaluation written by Harold R. Colen and published by . This book was released on 1990 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: Direct, to-the-point comparisons of how each type of system works... with the relative costs of installation, operation, and maintenance... applications by type of building.You also get experienced advice for repairing operational problems in existing HVAC systems... ductwork, fans, cooling coils, preheat coils, outside ventilation, perimeter and exterior zones, water balancing, kitchen exhausts, refrigerant piping, cooling towers, air-cooled condensers, chillers, boilers, cooling loads -- everything is covered.Includes requirements for and possible miscues in hooking up electrical power to HVAC components. This section alone can save a great deal of time, money, and frustration in the construction phases of your projects.
Book Synopsis Indoor Air Quality and HVAC Systems by : David W. Bearg
Download or read book Indoor Air Quality and HVAC Systems written by David W. Bearg and published by Routledge. This book was released on 2019-04-04 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: Indoor Air Quality and HVAC Systems is a practical guide for understanding the relationship between the design, installation, operation, and maintenance of HVAC systems and achieving indoor air quality (IAQ). The book describes the individual components of HVAC systems and the role each plays in maintaining good indoor air quality. It also identifies the techniques available for evaluating the performance characteristics of ventilation systems (including the use of carbon dioxide monitors and sulfur hexafluoride tracer testing equipment). Other topics discussed include the determination of pathways of air movement through buildings and understanding pressure relationships, ventilation effectiveness, and efficiency. The book concludes with an overview of sources of air contaminants to be concerned about when performing an IAQ evaluation. Indoor Air Quality and HVAC Systems provides critical information for industrial hygienists, HVAC contractors and engineers, and building owners and managers.
Book Synopsis Performance Evaluation of Control Room HVAC Systems Under Accident Conditions by : Franco Almerico
Download or read book Performance Evaluation of Control Room HVAC Systems Under Accident Conditions written by Franco Almerico and published by . This book was released on 1987 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Programmers and Users Guide for Economic Evaluation of Several HVAC Systems by : William G. Barney
Download or read book Programmers and Users Guide for Economic Evaluation of Several HVAC Systems written by William G. Barney and published by . This book was released on 1979 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fundamentals of HVAC Control Systems by : Robert McDowall
Download or read book Fundamentals of HVAC Control Systems written by Robert McDowall and published by Elsevier. This book was released on 2009-04-03 with total page 359 pages. Available in PDF, EPUB and Kindle. Book excerpt: A hard copy companion to the eLearning course that serves as a practical guide to the principles and characteristics of controls, and how to apply them in the use, selection, specification and design of controls systems.
Book Synopsis How to select the proper HVAC equipment to suit your project by : Charles Nehme
Download or read book How to select the proper HVAC equipment to suit your project written by Charles Nehme and published by Charles Nehme. This book was released on with total page 141 pages. Available in PDF, EPUB and Kindle. Book excerpt: Preface Selecting the proper HVAC (Heating, Ventilation, and Air Conditioning) equipment for your project is crucial for ensuring energy efficiency, comfort, and cost-effectiveness. This preface will provide an overview of key considerations and steps involved in choosing the right HVAC system for your specific needs. Understanding HVAC Systems HVAC systems are integral to maintaining indoor air quality and thermal comfort. They include components for heating, cooling, ventilation, and humidity control. Common types of HVAC systems include: Split Systems: Separate indoor and outdoor units, ideal for individual room control. Packaged Systems: All-in-one units, typically used in commercial applications. Heat Pumps: Efficient for both heating and cooling, suitable for moderate climates. Ductless Mini-Splits: Offer flexibility without ductwork, ideal for retrofits or specific zones. Key Considerations Project Scope and Requirements: Size and Layout: The size and layout of the space influence the type and capacity of the HVAC system needed. Larger or multi-story buildings may require more complex systems. Usage: Determine the primary use of the space (e.g., residential, commercial, industrial) and any specific needs such as server rooms, labs, or manufacturing areas. Climate: Local climate conditions significantly affect HVAC requirements. Hot and humid climates demand efficient cooling and dehumidification, while colder regions prioritize heating. Energy Efficiency: Look for systems with high Seasonal Energy Efficiency Ratio (SEER) and Heating Seasonal Performance Factor (HSPF) ratings. Energy-efficient systems reduce operating costs and environmental impact. Consider systems with variable speed technology for better energy management. Budget: Balance initial investment with long-term operational costs. High-efficiency systems may have higher upfront costs but lower ongoing expenses. Building Codes and Regulations: Ensure compliance with local building codes, standards, and regulations. This includes safety standards, energy efficiency mandates, and environmental regulations. Indoor Air Quality: Choose systems with good filtration and ventilation capabilities to maintain healthy indoor air quality, especially in spaces with high occupancy or specific air quality requirements. System Design and Integration: Proper design and integration with existing building systems (electrical, plumbing, etc.) are crucial for optimal performance. Consider consulting with HVAC professionals or engineers. Future Scalability: Plan for potential future expansions or modifications. Select systems that can be easily upgraded or expanded. Steps to Select the Proper HVAC Equipment Assess the Building Load: Conduct a load calculation to determine heating and cooling requirements. This includes considering insulation, windows, occupancy, and internal heat gains. Evaluate Different HVAC Systems: Compare various systems based on efficiency, capacity, and suitability for the project's specific needs. Consider Technological Features: Look for modern features such as smart thermostats, zoning capabilities, and remote monitoring for enhanced control and efficiency. Consult with Professionals: Engage HVAC contractors, engineers, or consultants to review your plans and provide expert recommendations. Review Manufacturer Warranties and Support: Choose reputable manufacturers that offer robust warranties and reliable customer support. Conclusion Selecting the proper HVAC equipment is a multifaceted process that requires careful consideration of the project's specific requirements, climate, energy efficiency, and budget. By following a systematic approach and leveraging professional expertise, you can ensure that your HVAC system will provide optimal performance, comfort, and cost-efficiency for your project.
Book Synopsis Data-Driven Evaluation of HVAC Systems in Commercial Buildings and Identification of Savings Opportunities by : Arash Khalilnejad
Download or read book Data-Driven Evaluation of HVAC Systems in Commercial Buildings and Identification of Savings Opportunities written by Arash Khalilnejad and published by . This book was released on 2020 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt: Commercial buildings account for around one third of the total electricity consumption in the United States, of which a significant amount is wasted. Heating Ventilation and Cooling (HVAC) systems are one of the largest components of the overall energy consumption in buildings and by improving the operational condition and efficiency of HVAC systems, significant savings can be achieved. Quantification of HVAC performance and characteristics is a critical step in the diagnostics, prognostics, and improvement of savings opportunities. Identifying savings through virtual energy audits using widely available smart-meter time-series data of the total energy consumption is an efficient and robust procedure that can be applied to a large number of buildings' datasets. In this study, we will develop a systematic, automated, and scalable pipeline for quantifying HVAC characteristics from the total energy consumption of smart-meter data to identify savings opportunities in commercial buildings and determine the critical affecting parameters. The automated pipeline layout will not only structure, clean, ingest, and interactively analyze the data, but also utilize the high performance computing cluster (HPC) and a smart job scheduler that we developed in addition to existing resources. Then, two main HVAC savings opportunities of rescheduling and baseload savings through setpoint setback will be quantified and discussed, and the results will be scaled to a statistically significant population of buildings across the US for comparative analysis. We will identify and discuss target buildings with the highest savings opportunities. Then, we will propose a data-driven method for setting back the setpoint of HVAC cooling by 1 degree increments on data and quantify the associated savings followed by a comparative study on the population and variable importance analysis, accordingly. As a result of the automated pipeline, 816 buildings' datasets across the United States have been processed efficiently, with significant improvement in data quality, and a processing time of 34 minutes which is 86 times faster than a sequence pipeline. Also, through a population study, we will illustrate that with applying the proposed HVAC savings to each dataset at cooling degree days, when the average daily temperature is above HVAC cooling setpoint, unoccupied time baseload and rescheduling savings with the median of 1.63% and 2.12% reduction from annual energy consumption can be obtained, respectively. Furthermore, by setpoint setback analysis, we will demonstrate that air conditioning in commercial buildings account for $9.5\%$ of the total energy consumption and with one degree setback, 1.1% of the annual energy consumption is reduced with retail and office buildings containing the highest potential.
Book Synopsis HVAC System Evaluation of West Seaton Renovation by : Joseph A. J. Knochel
Download or read book HVAC System Evaluation of West Seaton Renovation written by Joseph A. J. Knochel and published by . This book was released on 2005 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Energy Saving Alternatives for HVAC Systems by : Yogita Shirsat
Download or read book Evaluation of Energy Saving Alternatives for HVAC Systems written by Yogita Shirsat and published by . This book was released on 1997 with total page 165 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Advanced HVAC Systems Equipped with Thermal Energy Storage and Booster Fans by : Behdad Rezanejadzanjani
Download or read book Evaluation of Advanced HVAC Systems Equipped with Thermal Energy Storage and Booster Fans written by Behdad Rezanejadzanjani and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A major portion of the energy consumed in residential buildings is used for heating, ventilation, and air-conditioning (HVAC) systems. In fact, globally, HVAC systems consume more than 50% of the energy used in buildings. Many HVAC systems do not operate efficiently and lose 25-40% of their cooling or heating energy. Furthermore, considering daily temperature fluctuations, the efficiency of HVAC systems can be improved through the use of thermal energy storage (TES). The focus of this thesis is to investigate the potential to enhance the performance of HVAC systems through the use of fans, dampers, and integrated TES. Low-powered fans placed in vents (booster fans) are investigated for their performance to improve heating and cooling and reduce HVAC system run times. Furthermore, "smart" booster fans and dampers are considered in the simulations by optimizing the times at which they can be turned on or off during the simulations. Results show that the smart booster fan can significantly improve, even by greater than a factor of two, the airflow at a bad vent and the duty cycle of HVAC systems can be reduced to 4.5 hr/day. Duct systems with silica-based TES are also investigated. The silica-based TES system is charged using hot air, coming from a fan equipped with a resistive heater. Thus, the stored thermal energy is generated using electric power, providing an avenue for efficient electrification of heating in buildings. Experimental results show more than 50% of the amount of thermal energy that can be stored in the silica gel can be stored and retrieved as heated air.
Book Synopsis Economic Evaluation of Two Existing HVAC Systems for a Hospital Operating Room by : Pankaj Shah
Download or read book Economic Evaluation of Two Existing HVAC Systems for a Hospital Operating Room written by Pankaj Shah and published by . This book was released on 1978 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Thermal Evaluation of Existing Buildings with Need for Updated HVAC Systems by : Jenny Lynn Ziegler
Download or read book Thermal Evaluation of Existing Buildings with Need for Updated HVAC Systems written by Jenny Lynn Ziegler and published by . This book was released on 2001 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Simplified Design of HVAC Systems by : William Bobenhausen
Download or read book Simplified Design of HVAC Systems written by William Bobenhausen and published by John Wiley & Sons. This book was released on 1994-04-14 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt: A practical overview of what to consider when designing a building's heating, cooling, ventilating and humidifying systems along with their space, power, control and other requirements. Includes the latest concepts, applications, basic design problems and their solutions. Packed with examples to facilitate understanding.
Download or read book HVAC Systems written by Jacopo Toniolo and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Performance Evaluation of a HVAC System in a Pharmaceutical Plant by : Leonard Sunny Peris
Download or read book Performance Evaluation of a HVAC System in a Pharmaceutical Plant written by Leonard Sunny Peris and published by . This book was released on 2018-09-24 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Economic Evaluation of the Annual Cycle Energy System (ACES): Executive summary by :
Download or read book Economic Evaluation of the Annual Cycle Energy System (ACES): Executive summary written by and published by . This book was released on 1980 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Performance of an Air Handling Unit Using Wireless Monitoring System and Modeling by : Akram Ghassan Khatib
Download or read book Evaluation of Performance of an Air Handling Unit Using Wireless Monitoring System and Modeling written by Akram Ghassan Khatib and published by . This book was released on 2014 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heating, ventilation, and air conditioning (HVAC) is the technology responsible to maintain temperature levels and air quality in buildings to certain standards. In a commercial setting, HVAC systems accounted for more than 50% of the total energy cost of the building in 2013 [13]. New control methods are always being worked on to improve the effectiveness and efficiency of the system. These control systems include model predictive control (MPC), evolutionary algorithm (EA), evolutionary programming (EP), and proportional-integral-derivative (PID) controllers. Such control tools are used on new HVAC system to ensure the ultimate efficiency and ensure the comfort of occupants. However, there is a need for a system that can monitor the energy performance of the HVAC system and ensure that it is operating in its optimal operation and controlled as expected. In this thesis, an air handling unit (AHU) of an HVAC system was modeled to analyze its performance using real data collected from an operating AHU using a wireless monitoring system. The purpose was to monitor the AHU's performance, analyze its key parameters to identify flaws, and evaluate the energy waste. This system will provide the maintenance personnel to key information to them to act for increasing energy efficiency. The mechanical model was experimentally validated first. Them a baseline operating condition was established. Finally, the system under extreme weather conditions was evaluated. The AHU's subsystem performance, the energy consumption and the potential wastes were monitored and quantified. The developed system was able to constantly monitor the system and report to the maintenance personnel the information they need. I can be used to identify energy savings opportunities due to controls malfunction. Implementation of this system will provide the system's key performance indicators, offer feedback for adjustment of control strategies, and identify the potential savings. To further verify the capabilities of the model, a case study was performed on an air handling unit on campus for a three month monitoring period. According to the mechanical model, a total of 63,455 kWh can be potentially saved on the unit by adjusting controls. In addition the mechanical model was able to identify other energy savings opportunities due to set point changes that may result in a total of 77,141 kWh.
