基础与工程
Pipe Insulation Guideline
Learn the essential standards and best practices for proper pipe insulation to maximize thermal efficiency and prevent condensation in engineering systems.
Refrigerant Piping – part2
Learn the critical steps and best practices for installing and maintaining refrigerant piping systems to ensure optimal HVAC performance and efficiency.
管道压降计算：基本方程和指南
Learn how to accurately calculate pipe pressure drops using essential equations and guidelines to ensure optimal fluid flow and system efficiency.
显热、潜热和总热
Master the core concepts of sensible, latent, and total heat to accurately analyze and design efficient HVAC systems.
HVAC 中的水流量计算
Learn how to accurately perform water flow rate calculations to ensure optimal efficiency and performance in HVAC systems.
制冷膨胀阀尺寸和选择过程
Proper expansion valve selection is critical for refrigeration system efficiency and reliability. This guide outlines the systematic approach to sizing and selecting expansion valves based
Refrigeration Evaporator Sizing and Selection
The evaporator is a critical component in any refrigeration system, serving as the heart of the cooling process. Proper sizing and selection of evaporators directly
Infiltration Rules Of Thumb
Learn the essential rules of thumb for calculating building infiltration to improve the accuracy of your HVAC load calculations and energy models.
标准与合规性
HVAC Ventilation Design: Air Intake Minimum Separation Distance
Air intake minimum separation distance represents critical design criteria for ensuring adequate outdoor air quality by maintaining appropriate distances between fresh air intakes and potential contamination sources.
HVAC 负载估算：多样性因素
Diversity factor represents a critical design parameter in HVAC load calculations, accounting for the statistical probability that all heat-generating components in a building will not operate simultaneously
HVAC 负载估算：渗透热增益和热损失
Infiltration represents uncontrolled air exchange between outdoor and indoor environments, significantly impacting both heating and cooling loads in all building types. Accurate infiltration estimation is essential for
HVAC Load Estimation: Internal Heat Gain from Equipment and Appliances
Equipment and appliances represent significant internal heat sources in modern buildings, often comprising the largest component of cooling loads in commercial and industrial facilities. Accurate estimation of
HVAC Load Estimation: Glazing U-Values and Shading Coefficient (SC) Values
Fenestration thermal and solar properties are critical parameters in HVAC load calculations, significantly impacting both heating and cooling loads. Understanding glazing U-values and shading coefficients is essential
HVAC 负载估算：墙壁、屋顶和隔断的施工 U 值
Building envelope thermal properties form the backbone of HVAC load calculations, directly determining heat transfer rates and system sizing requirements. Accurate U-value determination is essential for
HVAC Psychrometric Processes: Charts, Calculations, and Air Treatment Applications
Psychrometric processes form the scientific foundation of HVAC system design, enabling engineers to analyze air conditions and design effective air treatment systems. Understanding these processes is essential
HVAC Design Equations: Air, Fan, Pump, and Hydronic System Calculations
HVAC engineers rely on fundamental equations to design, size, and optimize mechanical systems. These mathematical relationships form the backbone of proper system design, ensuring accurate performance predictions
ASHRAE 暖通空调设备预期寿命指南
Learn how to apply ASHRAE guidelines on HVAC equipment life expectancy to optimize your building’s maintenance schedules and replacement budgeting.
数字工具和资源
Bell & Gossett 选择软件
Streamline your HVAC system design process by exploring the advanced capabilities and features of Bell & Gossett selection softwares.
大金 Revit 文件
Access and download Daikin Revit files to seamlessly integrate accurate 3D BIM models into your HVAC design and engineering workflows.
Cooltools软件下载
CoolTools is modern adaptation of CoolPack. CoolTools is a collection of simulation models for refrigeration systems and each of them has a specific purpose e.g. cycle analysis, sizing of main components, energy analysis and optimization.
Refrigerant Ph Diagram (Part 2)
Learn how to effectively read and utilize a refrigerant pressure-enthalpy (Ph) diagram to analyze and optimize HVAC system performance.
Coolselector Download
Coolselector®2 (from Danfoss company) helps to optimize energy consumption and increase efficiency in any HVACR system. Run unbiased calculations based on a set of operating conditions — such as cooling capacity, refrigerant, evaporation, and condensation temperature — and then select the best components for your design.
Air Conditioning Condensate calculator
Learn how to accurately determine HVAC drainage requirements with our easy-to-use Air Conditioning Condensate calculator.
管道压降计算：基本方程和指南
Learn how to accurately calculate pipe pressure drops using essential equations and guidelines to ensure optimal fluid flow and system efficiency.
mcQuay Duct Sizer下载
Learn how to download and use the McQuay Duct Sizer software to simplify your HVAC ductwork design and airflow calculations.