Fundamentos e engenharia
Best Practices in HVAC Design
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.
Sensible, Latent, and Total Heat
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.
R-Value and U-Value in HVAC
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.
Water Flow Rate Calculations in HVAC
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.
Air-Cooled vs. Water-Cooled Chillers: Selection Criteria
Compare air-cooled vs. water-cooled chillers. Understand selection criteria to make the best choice for your cooling needs.
Understanding District Heating: Efficient Energy Distribution Systems for Sustainable Urban Applications – Technical Overview, Installation, Maintenance, and Standards for HVAC-R Professionals
Discover the benefits of district heating in HVAC systems: efficient energy distribution, reduced costs, and integration with renewable sources for sustainable urban development.
Design Procedures for Cooling/Heating Systems
Design Procedures for Cooling/Heating Systems: A Comprehensive 9-Step Approach
Design Procedures for Cooling-Only Systems: An 8-Step Methodology
Designing efficient cooling-only HVAC systems requires a structured approach to ensure optimal performance and appropriate equipment sizing. The following 8-step procedure provides a comprehensive framework for designing these systems, where peak cooling loads determine the airflow requirements for system components.
Design Procedures for Heating-Only Systems: An 8-Step Methodology
Designing effective heating-only HVAC systems requires a methodical approach that ensures adequate capacity while avoiding oversizing. The following 8-step procedure provides a comprehensive framework for designing these systems, focusing on peak heating loads to determine appropriate equipment sizing.
Padrões e conformidade
Design do duto HVAC: perda de atrito do duto
Complete guide to HVAC duct fittings friction loss using Carrier standards covering loss coefficients, pressure drop calculations, and system optimization for efficient air distribution design.
Design do duto HVAC: amortecedores, atenuadores e perdas de fricção de bobinas
Complete guide to HVAC dampers, attenuators, and coils friction loss using SMACNA standards covering pressure drop calculations, component selection, and system optimization for efficient air distribution design.
Projeto do duto HVAC: Round para equivalente retangular
Complete guide to HVAC round-to-rectangular duct equivalency using ASHRAE standards covering conversion formulas, performance considerations, and system optimization for space-constrained installations.
Design do duto HVAC: perda de atrito do duto
Complete guide to HVAC duct friction loss calculations using ASHRAE standards covering friction charts, pressure drop analysis, and system optimization for efficient air distribution design.
Projeto do duto HVAC: Classificação de pressão do duto
Complete guide to HVAC duct pressure classification using SMACNA standards covering pressure class selection, construction requirements, and testing protocols for safe and efficient ductwork systems.
Design do duto HVAC: dimensionamento comercial do duto de cozinha
Complete guide to commercial kitchen duct sizing using ASHRAE and NFPA standards covering exhaust hood design, grease management, fire safety, and make-up air systems for food service operations.
HVAC Duct Design: Duct Sizing by Velocity & Noise Criteria (NC)
Complete guide to HVAC duct sizing using velocity and noise criteria with ASHRAE and CIBSE standards covering acoustic design, velocity limits, and noise control for sensitive applications.
Projeto do duto HVAC: dimensionamento do duto por método de atrito igual
Complete guide to HVAC duct sizing using the equal friction method with SMACNA and ASHRAE standards covering calculation procedures, friction rate selection, and system optimization for effective air distribution design.
Design do duto HVAC: Recomendações de dimensionamento do duto
Complete guide to HVAC duct sizing using SMACNA recommendations covering equal friction, velocity, and static regain methods with design calculations and system optimization for effective air distribution.
Ferramentas e recursos digitais
Rates Of Thermal Expansion For Common Pipe Materials
Effortlessly calculate rates of thermal expansion for common pipe materials with our interactive calculator. Get accurate data, design insights, and actionable tables for metals and plastics—essential for HVAC engineers, designers, and consultants focused on system reliability and energy efficiency.
Calculadora de expectativa de vida do equipamento HVAC
We’ve created a professional HVAC equipment life expectancy calculator. The application provides comprehensive calculations for determining the remaining useful life of various HVAC equipment types.
BIM Software Solutions para aplicativos HVAC modernos
As the HVAC industry continues to evolve in 2025, Building Information Modeling (BIM) has become an indispensable tool for professionals seeking to optimize design, installation, and maintenance processes. For HVAC engineers, contractors, and technicians, selecting the right BIM software can significantly impact project efficiency and outcomes. Let’s explore the most effective BIM solutions for HVAC applications.
McQuay Softwares Download
McQuay (As part of Daikin Industries) is one of the largest air conditioning, heating, ventilating and refrigeration companies in the HVAC/R industry. Therefore, we decided to make some softwares that this company has introduced to the industry based on their experience and knowledge available for download.
Softwares de seleção de Bell & Gossett
#Xylem Bell & Gosset #Selection, #Sizing & #CAD Tools and #Softwares
Daikin Revit Files
DAIKIN APPLIED RESOURCE LIBRARY – REVIT FILES Rooftop Systems Air Handlers – Outdoor Air Cooled Chillers Water Cooled Chillers Fan Coils Self-Contained Water Source Heat Pump Unit Ventilators
Cooltools Software Download
– Cycle analysis (process design) – comparison of one stage direct expansion cycle and one stage flooded cycle. – System sizing – calculation of component sizes from general criteria. – System simulation – calculating operating conditions in a system with known components. Component calculations – calculation of – components efficiencies and outlet conditions. – Evaluation of operation – evaluation of system efficiency. – Process investigation – e.g. moist air calculations.