Airflow Ducts & Filtration

Fan Laws: How Airflow, Pressure, and Power Relate

What Fan Laws Are and Why They Matter Fan laws are a set of proportional relationships that predict how changes in fan…

HVAC Filter Types: Fiberglass, Pleated, Electrostatic Compared

HVAC filters serve two essential functions: protecting heating and cooling equipment from debris and removing airborne particles that affect indoor air quality.…

Airflow Ducts & Filtration

Duct Leakage Testing: Blower Door and Duct Blaster Methods

What Is Duct Leakage Testing? Duct leakage testing is a diagnostic procedure that measures how much conditioned air escapes from an HVAC…

Airflow Ducts & Filtration

Air Balancing: Measuring and Adjusting HVAC Airflow

What Is Air Balancing? Air balancing is the process of measuring, adjusting, and optimizing airflow within an HVAC system so that each…

Airflow Ducts & Filtration

Indoor Air Quality Testing: What to Measure and How

Indoor air quality (IAQ) refers to the condition of the air inside buildings as it relates to the health, comfort, and productivity…

Airflow Ducts & Filtration

Home Humidity Control: Dehumidifiers, Humidifiers, and HRVs

Humidity control is one of the most important and most overlooked aspects of residential HVAC. Too much moisture in the air promotes…

Airflow Ducts & Filtration

Air Filtration: MERV Ratings, HEPA, and Filter Selection

Air filtration is the primary line of defense against airborne contaminants in both residential and commercial buildings. Every time a forced-air HVAC…

Airflow Ducts & Filtration

Static Pressure in HVAC: Diagnosis and Solutions

Static pressure is the force that air exerts against the interior surfaces of ductwork, plenums, and HVAC components as the system pushes…

Airflow Ducts & Filtration

Ductwork Design: Manual D and Proper Air Distribution

Ductwork is the circulatory system of any forced-air HVAC installation. It carries conditioned air from the furnace, air conditioner, or heat pump…

AIRFLOW DUCTS &AMP; FILTRATION