Fondamentaux Et Ingénierie
Pipe Insulation Guideline
Learn the essential standards and best practices for proper pipe insulation to maximize thermal efficiency and prevent condensation in engineering systems.
Tuyauterie de réfrigérant - partie 2
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.
Chaleur Sensible, latente Et Totale
Master the core concepts of sensible, latent, and total heat to accurately analyze and design efficient HVAC systems.
Calculs de débit d'eau dans le CVC
Learn how to accurately perform water flow rate calculations to ensure optimal efficiency and performance in HVAC systems.
Processus de dimensionnement et de sélection des soupapes d'extension de réfrigération
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
Dimensionnement et sélection de l'évaporateur de réfrigération
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.
Normes Et Conformité
Conception du conduit HVAC: Perte de friction des raccords de conduit
Duct fittings friction loss represents critical HVAC design calculations that determine pressure drops through elbows, tees, transitions, and other directional changes within ductwork systems. Professional engineers utilize
Conception du conduit HVAC: conduit à l'équivalent rectangulaire
Round to rectangular duct equivalency represents a fundamental HVAC design calculation that enables engineers to convert between circular and rectangular ductwork while maintaining equivalent airflow characteristics and
Conception du conduit HVAC: perte de frottement du conduit
Duct friction loss represents a fundamental HVAC design calculation that determines pressure drop through straight ductwork sections due to air friction against duct surfaces. Professional engineers utilize
Conception du conduit HVAC: classification de la pression des conduits
Duct pressure classification represents a fundamental HVAC design principle that establishes construction standards based on the operating static pressure within ductwork systems. Professional engineers utilize SMACNA pressure
Conception du conduit CVC: dimensionnement des conduits par des critères de vitesse et de bruit (NC)
Duct sizing by velocity and noise criteria (NC) represents a fundamental HVAC design methodology that determines appropriate duct dimensions based on maximum acceptable air velocities and noise
Conception du conduit HVAC: dimensionnement des conduits par méthode de frottement égale
The Equal Friction Method represents a fundamental HVAC duct sizing approach that maintains constant pressure loss per unit length throughout the main duct runs, providing a systematic
Conception du conduit HVAC: recommandations de smacna de dimensionnement des conduits
SMACNA (Sheet Metal and Air Conditioning Contractors’ National Association) duct sizing recommendations represent fundamental HVAC design methodologies for calculating appropriate duct dimensions to deliver required airflow while
Conception de ventilation CVC : pressurisation des escaliers + dimensionnement des évents de secours
Staircase pressurization and relief vent sizing represent critical life safety HVAC design requirements for maintaining protected egress routes during fire emergencies through systematic air pressurization and controlled
Conception de ventilation HVAC: taux de ventilation du tabac / de la zone fumeurs
Tobacco and smoking area ventilation represents specialized HVAC design requirements for controlling cigarette smoke, odors, and harmful contaminants to protect non-smoking occupants while accommodating designated smoking spaces.
Conception de ventilation HVAC: ventilation de l'air d'échappement par taux et ACH
Exhaust air ventilation requirements represent essential design parameters for maintaining indoor air quality by removing contaminated air, moisture, odors, and pollutants from building spaces. Professional standards provide
Outils Et Ressources Numériques
Ductulator and Pressure Loss (friction) calculator
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.
Air mixing calculator
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.
Calculateur d'état psychrométrique
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.
Calculateur de dimensionnement du vase d'expansion
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.
Calculateur De rayon Critique D'isolation
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.
HVAC Equipment Life Espérance de vie Calculatrice
Nous avons créé une calculatrice professionnelle de l'espérance de vie de l'équipement HVAC. L'application fournit des calculs complets pour déterminer la durée de vie utile restante de divers types d'équipements CVC.
Solutions logicielles BIM pour les applications HVAC modernes
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,
Téléchargement de logiciels Mcquay
Explore a comprehensive guide on locating and downloading McQuay software tools to streamline your HVAC system design and selection processes.