glossary

Speech Interference Level (SIL) Explained As HVAC professionals, understanding the nuances of sound levels in indoor environments is crucial not only for compliance but also for occupant comfort. One important metric you may encounter is the Speech Interference Level (SIL). What is Speech Interference Level? In simple terms, the Speech

Spectral Thermal Emittance Explained As HVAC professionals, understanding the principles of heat transfer is crucial for optimizing system performance and energy efficiency. One important concept in this domain is spectral thermal emittance, a term that may sound complex, but is fundamental in analyzing how materials interact with thermal radiation. What

Spectral Irradiance Explained for HVAC Professionals As HVAC professionals, understanding the concept of spectral irradiance is crucial for optimizing energy efficiency and indoor environmental quality. Spectral irradiance refers to the density of radiant flux incident on a surface per unit of wavelength and is measured in watts per square meter

Specification Explained As HVAC professionals, understanding and implementing specifications is crucial to the success of our projects. A specification is a precise statement of the requirements that a material, product, system, or service must meet, ensuring we deliver high-quality standards in our installations and maintenance tasks. What is a Specification?

Specific Volume (SV) Explained As HVAC professionals, understanding specific volume (SV) is crucial for effective system design and analysis. Specific volume is defined as the volume occupied by a unit mass of a material, and it is usually expressed in cubic feet per pound (ft³/lb) or cubic meters per

Specific Superheat Explained: A Guide for HVAC Professionals As HVAC professionals, understanding the intricacies of refrigeration cycles is crucial to optimizing system performance. One critical concept that often comes into play is specific superheat. In this blog, we will delve into its definition and significance in HVAC applications. What is

Specific Speed Explained For HVAC professionals, understanding the intricacies of pump performance is crucial for effective system design and operation. One key aspect of pump performance is the specific speed, a term that can often be misunderstood. In this blog, we will demystify specific speed and highlight its significance in

Specific Refrigerant Flow Rate Explained As HVAC professionals, understanding the intricacies of refrigerant flow rate is crucial for optimizing system performance and ensuring energy efficiency. The specific refrigerant flow rate is defined as the flow rate, measured in pounds per minute (lb/min) or grams per second (g/s), that

Specific Infiltration (Ratio) Explained As HVAC professionals, understanding specific infiltration is crucial for both design and evaluation processes in building performance. But what exactly does specific infiltration mean, and why is it important to us? What is Specific Infiltration? Specific infiltration, often referred to as the infiltration ratio, is defined

Specific Humidity Explained: A Guide for HVAC Professionals As HVAC professionals, understanding specific humidity is crucial for effective system design and operation. In essence, specific humidity is the measure of the amount of water vapor present in the air. Formally, it is defined as the ratio of the mass of