エンジニアリングと知識

基礎とエンジニアリング

空調負荷の計算

Learn the essential principles of HVAC load calculations to accurately determine heating and cooling requirements for any building.

太陽の角度 – 太陽の測位の基礎

Master the fundamentals of solar positioning and learn how to accurately calculate solar angles for your engineering projects.

太陽放射を理解する: 地球の強力なエネルギー源

Explore the fundamental concepts of solar radiation and learn how Earth’s most powerful energy source drives our planet’s climate and renewable technology.


標準とコンプライアンス

HVAC 換気設計: レートおよび ACH による排気換気

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

HVAC 換気設計: レートおよび ACH による外気換気

Outdoor air ventilation requirements represent critical design parameters for ensuring adequate indoor air quality through systematic calculation of minimum fresh air rates based on occupancy density, space

HVAC 換気設計: 室内空気の質と空気汚染物質

Indoor air quality and air contaminant management represent fundamental aspects of HVAC ventilation design, establishing systematic approaches for identifying, controlling, and removing airborne pollutants to ensure healthy

HVAC 換気設計: 空気取り入れ口の最小分離距離

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 換気設計: 空気の分類

Air classifications represent fundamental categories for ventilation system design, establishing contamination levels, treatment requirements, and air quality standards that guide equipment selection, filtration strategies, and ventilation rates.

HVAC 換気設計: 一般的な回路図と方程式

Ventilation design represents the foundation of indoor air quality management, establishing systematic approaches for outdoor air introduction, indoor air circulation, and contaminant removal. ASHRAE 62.1 provides

HVAC 負荷推定: ファウリング係数

Fouling factor represents a critical design parameter in HVAC heat transfer equipment sizing, accounting for the reduced performance of heat exchangers due to scale, corrosion, biological growth,

HVAC 負荷推定: ダイバーシティ係数

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 負荷の推定: 建物タイプ別の屋内設計条件とシステム要件

Indoor design conditions form the foundation of HVAC system design, establishing the environmental parameters that drive load calculations, equipment selection, and system configuration. These conditions vary

HVAC 負荷の推定: 浸透熱の利得と損失

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


デジタルツールとリソース

Cooltools ソフトウェアのダウンロード

Learn how to access and download the best digital software tools to streamline your workflow and enhance your productivity.

冷媒のpH図(パート2)

Learn how to effectively read and utilize a refrigerant pressure-enthalpy (Ph) diagram to analyze and optimize HVAC system performance.

キャリア Plv プロのダウンロード

Learn how to download and install Carrier PLV Pro software to accurately calculate part-load values and optimize chiller plant efficiency.

クールセレクターのダウンロード

Learn how to download and get started with Coolselector software to optimize your HVAC and refrigeration system designs.

エアコン凝縮液計算機

Learn how to accurately determine HVAC drainage requirements with our easy-to-use Air Conditioning Condensate calculator.

パイプ圧力降下計算:必須式とガイドライン

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

マッキーダクトサイザー ダウンロード

Learn how to download and use the McQuay Duct Sizer software to simplify your HVAC ductwork design and airflow calculations.

HVAC システムにおけるスペースおよびゾーンのエアフロー サイズの計算

Following our previous discussion on the systematic 9-step procedure for designing cooling and heating systems, it’s essential to understand the technical aspects of airflow sizing

HVAC-CX:The Essential Building HVAC Systems Commissioning Toolをダウンロードします

As building systems become increasingly complex, the need for efficient commissioning and monitoring tools has never been more critical. HVAC-Cx, developed by the National Institute

エアダクト電卓を作る

Learn how to build and utilize custom air-duct calculators to simplify your HVAC design and airflow computations.