ANSI/ASHRAE 103-2022: AFUE Testing of Residential Furnaces & Boilers
Most homes in the United States are heated with either furnaces, systems that heat air and distribute it throughout the house, or boilers, appliances with […]
HVAC and Indoor Environment
ANSI/ASHRAE 55-2020: Thermal Environmental Conditions for Human Occupancy
An American National Standard, ANSI/ASHRAE 55-2020: Thermal Environmental Conditions For Human Occupancy, specifies indoor thermal environmental factors and personal factors that will produce thermal environmental […]
ANSI/ASHRAE 62.2-2019: 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, […]
NFPA 85-2019: Boiler and Combustion Systems Hazards Code
The United States Department of Labor lists many accidents involving employees near or in contact with a boiler. In 2017, two employees were killed while […]
CAN/CSA A440.4-2019: Window, Door, & Skylight Installation
CAN/CSA A440.4-2019: Window, door, and skylight installation has been released. Doors, windows, and skylights serve as passageways to the outside world. These items, when installed […]
Harmonized U.S. and Canadian Standards
On October 4, 1987, the United States and Canada agreed to the Canada-United States Free Trade Agreement (CUSFTA), and the agreement was brought into force […]
ANSI Z21.88-2017/CSA 2.33-2017: Vented Gas Fireplace Heaters
ANSI Z21.88-2017/CSA 2.33-2017: Vented gas fireplace heaters is the standard for gas fireplaces. For the purposes of this document, a “vented gas fireplace heater” is […]
2017 North American Fenestration Standard
The North American Fenestration Standard (NAFS), which covers specifications for windows, doors, and skylights, is a prime example of the drive to harmonize industrial practices. […]
Indoor Heating – An Ancient Roman Innovation?
Numerous innovations can be attributed to the Ancient Romans. Aqueducts, concrete, newspapers, even elevators—these are just a few of the technologies that have seeped into […]
ANSI Z21.10/CSA 4 (Water Heaters)
Standards within the ANSI Z21.10 (or the CSA 4) series specify guidelines for newly produced gas water heaters. These water heaters provide heating to a […]