Data, Tables, Tools, Guides
Discover how heat exchangers and heat pipes enhance HVAC systems by improving energy efficiency, optimizing thermal management, and supporting sustainable practices in modern applications.
Discover how heat exchanger systems enhance HVAC efficiency through sustainable groundwater and aquifers. Learn about energy savings, maintenance, and modern applications for optimal performance.
Discover the benefits of district cooling systems—energy-efficient chilled water solutions that optimize HVAC performance, reduce costs, and support sustainable urban development.
Explore VAV system design essentials. Learn components, controls, and best practices for efficient HVAC solutions. Optimize your setup today!
Compare Air Distribution Systems and Air Handling Unit types. Optimize HVAC efficiency by choosing the best option for your building needs.
Optimize air-cooled chillers with preventive maintenance tips, enhancing efficiency and lifespan. Discover essential steps for effective upkeep.
Compare air-cooled vs. water-cooled chillers. Understand selection criteria to make the best choice for your cooling needs.
The McQuay Duct Sizer is a specialized software tool designed for HVAC professionals to assist in the accurate and efficient sizing of air ducts. This tool is essential for ensuring optimal performance and energy efficiency in HVAC systems. The McQuay Duct Sizer is available for free download.
Discover the ease of selecting and pricing replacement HVAC coils with the Greenheck Coil Software Selection Program. This user-friendly tool is designed for both occasional and frequent users, offering enhanced speed performance, direct order entry, and detailed submittal drawings. Download (for free) the latest version today and streamline your HVAC coil selection process.
Irrigation systems require regular maintenance to ensure optimal performance. Learn about common problems with pumps and valves, such as low pressure, reduced flow, and leaks, and find out how to troubleshoot and prevent these issues. Regular maintenance and prompt attention to problems can help extend the life of your system components and keep your landscape healthy.
The HVAC industry is transitioning from HCFCs and HFCs to natural refrigerants for reduced environmental impact and increased energy efficiency. This comprehensive guide covers benefits, challenges, and strategies for successful implementation. Learn more about the future of sustainable cooling and heating solutions.
Water flow rate is an important parameter in the design and operation of HVAC systems. It is important to calculate the correct water flow rate to ensure that the system operates efficiently and effectively.
R-value and U-value are two important concepts in HVAC. R-value is a measure of a material’s resistance to heat flow, while U-value is a measure of its ability to transfer heat. The higher the R-value, the better the insulation, while the lower the U-value, the better the insulation.
Sensible heat, latent heat, and total heat are important concepts in HVAC. Sensible heat is the heat that is transferred to or from a substance without causing a change in phase. Latent heat is the heat that is transferred to or from a substance during a phase change, such as from a liquid to a gas or from a gas to a solid. Total heat is the sum of sensible heat and latent heat.
In this blog post, we will introduce some of the most common HVAC control diagrams. We will also provide a brief explanation of each diagram and how its components work together.
HVAC control diagrams are essential tools for designing, installing, and maintaining HVAC systems. They provide a visual representation of the system’s components, how they are interconnected, and how they are controlled. This information can be used to troubleshoot problems, optimize performance, and make informed decisions about system upgrades.
Blast chillers are commercial-grade appliances that rapidly reduce the temperature of food. They are used to chill food from the “danger zone” (between 40 and 140 degrees Fahrenheit) to below 38 degrees Fahrenheit within 90 minutes. This is the temperature at which bacteria growth is slowed significantly.
Blast chilling offers a number of benefits, including improved food quality, increased food safety, reduced food waste, and increased productivity. Blast chillers can be used to chill a wide variety of foods, including meats, poultry, seafood, fruits, vegetables, and prepared foods.
There are two main types of hydraulic accumulators: bladder accumulators and diaphragm accumulators. Both types work on the same basic principle, but they use different methods to separate the hydraulic fluid from the gas.
Hydraulic accumulators are an important component of many hydraulic systems. They provide a variety of benefits, such as improved performance, increased reliability, and reduced maintenance costs.
In this blog post, we’ll discuss some of the key principles and best practices in HVAC design that every engineer should know.
HVAC design is an essential aspect of creating comfortable and efficient indoor environments. As an HVAC-R engineer, understanding the principles of HVAC design is crucial for designing effective, reliable, and sustainable heating, ventilation, and air conditioning systems.
If you are a professional in the HVAC-R or Solar energy industry, you know the importance of efficient steam generation and distribution. That’s why we are pleased to offer the Steam Handbook, a comprehensive guide prepared by Endress+Hauser, for free download. This invaluable resource covers the basics of steam properties, boiler control systems, steam traps, and condensate recovery, providing practical tips and information to help you optimize your system and reduce costs.
An accurate and efficient psychrometric calculator web app is an invaluable tool for anyone in the field of air conditioning and HVAC systems.
A user-friendly and comprehensive psychrometric calculator web app that can quickly and accurately calculate a wide range of psychrometric properties based on input variables such as temperature, pressure, altitude, and humidity.
Superheat refers to the additional temperature increase of a gas after it has fully transitioned from a liquid to a gas phase. In the context of a TEV, superheat is the temperature difference between the refrigerant gas at the evaporator outlet and its saturation temperature, which is the temperature at which the refrigerant transitions between liquid and gas phases at a given pressure. Superheat setting is the desired level of superheat that the TEV should maintain for optimum system performance.
Discover the most effective heat rejection system configurations for your needs with our comprehensive guide, exploring Direct Air-Cooled, Direct and Indirect Water-Cooled, and Direct and Indirect Seawater-Cooled Systems.
Chiller maintenance, including the pump down and pump out procedures, is crucial for ensuring system efficiency, safety, and longevity. The pump down procedure involves the controlled removal of refrigerant from the evaporator and condenser, while the pump out procedure entails removing refrigerant from the entire chiller system. By following best practices and manufacturer guidelines, HVAC professionals can effectively perform these processes and maintain a healthy chiller system.
Efficient and reliable HVAC systems are crucial for data center operations. This article covers the key aspects of HVAC system design for data centers, including load calculations, air distribution strategies, cooling system options, humidity control, and integration with building automation systems. By addressing these considerations, data center operators can ensure optimal performance and minimize the risk of equipment failure or downtime.
Explore the essentials of pipe pressure drop calculations, including key factors affecting pressure drop, commonly used equations, and practical tips for optimizing fluid transportation systems. Learn about software and tools that can assist in streamlining your calculations and enhance the efficiency of your projects.
In this blog post, we discussed the importance of understanding pipe pressure drop calculations and their relevance across various industries. We introduced key factors affecting pressure drop, such as pipe diameter, length, flow rate, fluid properties, and pipe roughness. We also examined several equations for calculating pressure drop, including the Darcy-Weisbach, Hazen-Williams, and Colebrook-White equations, discussing their applicability and limitations.
Discover the fascinating world of solar position and sunrise/sunset calculations in our latest blog post. Learn how to accurately determine the sun’s position in the sky and the timing of sunrise, sunset, and solar noon for any location on Earth. These essential calculations can significantly benefit solar energy production, architectural design, agriculture, and outdoor event planning. Unlock the potential of accurate solar position data for your projects and research, and harness the power of the sun more effectively. Dive into our detailed guide and explore the applications and benefits of these valuable insights in solar-related engineering fields.
Irrigation is an essential component of successful agriculture and gardening. Determining the correct amount of water to deliver to your plants is crucial for optimal growth and yield. That’s where the Irrigation Drip Line Rate Calculator comes in. This simple tool calculates the precipitation rate, or the amount of water delivered per hour, based on your drip irrigation system’s emitter flow rate, efficiency, and the distance between rows and emitters. In this blog post, we will explain how to use the Irrigation Drip Line Rate Calculator and the significance of each variable in the calculation. Whether you’re a professional farmer or a home gardener, this calculator will help you ensure your plants receive the proper amount of water for maximum growth and health.
In this post, we explore the world of HVAC insulations and their impact on energy efficiency and comfort. From fiberglass to foam, we discuss the different types of HVAC insulations and how to select the right one for your system.