ANSI/ASHRAE 40-2025: Testing AC and Heat Pump Equipment
Did you know that a heat pump can act as both a heater and an air conditioner? This is because a heat pump uses a…
SMACNA Fire, Smoke & Radiation Damper Installation for HVAC
Fire and smoke dampers are installed in ductwork, ceiling cavities, and other barriers. If a fire breaks out, they are designed to close and suppress…
Assuring Consumer Protection Through Home Generator Labeling and Ratings
People who live in areas with frequent power outages appreciate the benefits of generators. Generators provide power that can maintain refrigeration and temperature control, which…
ANSI/ASHRAE 193-2010 (R2024): HVAC Equipment Airtightness
An airtight building envelope and HVAC ducts result in a more precise ventilation system that can provide the correct amount of fresh air. When there…
ANSI/ASHRAE 55-2023: Thermal Environmental Conditions for Human Occupancy
An American National Standard, ANSI/ASHRAE 55-2023: Thermal Environmental Conditions For Human Occupancy, specifies indoor thermal environmental factors and personal factors that will produce thermal environmental…
IEC 60335-2-104 Ed. 2.0 en:2021— Recycling Refrigerants
When refrigerants are mishandled, they can cause environmental contamination and disease. Regulations and standards govern technician training, where and how refrigerants are sold, equipment, and…
2024 International Mechanical Code (ICC IMC-2024)
The International Mechanical Code (IMC) is in use or adopted in 46 US states, the District of Columbia, New York City, Guam, Puerto Rico, and…
ANSI/ASHRAE 62.2-2022: Ventilation in Residential Buildings
Regardless of the building, assuring an acceptable indoor air quality (IAQ) is a shared interest. In the home, ventilation and air quality contain unique considerations,…
ANSI/ASHRAE 62.1-2022: Ventilation for Indoor Air Quality
On average, we breathe air in and out 12 times a minute. Our bodies inhale the gaseous matter to send oxygen though the alveolar walls…