Engenharia E Conhecimento

Fundamentos E Engenharia

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.

Pipe Pressure Drop Calculations: Essential Equations and Guidelines

Learn how to accurately calculate pipe pressure drops using essential equations and guidelines to ensure optimal fluid flow and system efficiency.

Sensible, Latent, and Total Heat

Master the core concepts of sensible, latent, and total heat to accurately analyze and design efficient HVAC systems.

Water Flow Rate Calculations in HVAC

Learn how to accurately perform water flow rate calculations to ensure optimal efficiency and performance in HVAC systems.

Refrigeration Expansion Valve Sizing and Selection Process

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

Dimensionamento e seleção de evaporadores de refrigeração

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.


Padrões E Conformidade

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Ferramentas E Recursos Digitais

Calculadora de dutulador e perda de pressão (fricção)

Streamline your HVAC design process with our comprehensive digital Ductulator and Pressure Loss Calculator. This all-in-one tool allows you to instantly convert duct shapes, determine optimal sizing based on friction or velocity constraints, and accurately calculate total pressure loss and airflow rates for complex ductwork systems.

Calculadora de mistura de ar

Accurately determine the final thermodynamic state of combined airstreams. Input flow rates and air properties to instantly calculate mixed air conditions, streamlining AHU fresh-air and return-air mixing design.

Calculadora de déficit de pressão de vapor (VPD)

Optimize humidity control for HVAC, greenhouse cultivation, and agricultural drying. Use this Vapor Pressure Deficit (VPD) calculator to accurately determine moisture potential, enabling better transpiration rates, crop yield optimization, and precise environmental management.

Calculadora de estado psicrométrico

Instantly determine the complete psychrometric state of moist air using just two inputs. Enter dry-bulb temperature alongside any single humidity parameter to automatically calculate dew point, wet-bulb, relative humidity, enthalpy, specific volume, and density for precise HVAC design and analysis.

Calculadora de tamanho de caixa plenum

Free online plenum box size calculator for HVAC engineers. Enter airflow (CFM or m³/h) and target velocity to instantly get recommended width, height, length, and depth for supply and return plenum boxes, based on ACCA Manual D sizing practice.

Calculadora de dimensionamento de tanque de expansão

Size bladder, diaphragm, or plain-steel expansion tanks for closed hydronic systems in seconds. This calculator applies thermal-expansion and pressure-ratio principles from Steven T. Taylor’s ASHRAE-referenced sizing method and the ASME Boiler and Pressure Vessel Code, Section VI, to compute the minimum required tank acceptance volume for hot water, chilled water, and mixed-temperature systems. Supports US and SI units, all four major tank styles, an optional piping-expansion credit, and a built-in ASME/UMC/IMC cross-check for 170–230°F systems — with clear pass/warning/invalid status and next-step guidance for tank selection and precharge verification.

Calculadora do raio crítico de isolamento

Determines the critical radius (and critical thickness) of insulation for a cylinder or sphere — the outer radius at which heat loss is maximum — and compares heat‑loss rates before and after insulation.

Calculadora de expectativa de vida de equipamentos 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.

Soluções de software BIM para aplicações modernas de HVAC

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,

McQuay Softwares Download

Explore a comprehensive guide on locating and downloading McQuay software tools to streamline your HVAC system design and selection processes.