AHRI Endorses DOE Decision to Adopt ASHRAE Standards

AHRI Endorses DOE Decision to Adopt ASHRAE Standards

The Air-Conditioning, Heating, and Refrigeration Institute (AHRI) applauded two recent Department of Energy (DOE) final rules that adopt ASHRAE 90.1 efficiency levels for three-phase unitary products less than 65,000 Btuh, water-source heat pumps, commercial oil-fired storage water heaters, and packaged terminal air conditioners (PTACs). “Adopting ASHRAE 90.1 efficiency levels for these products is the most…

What is a MERV Rating?

What is a MERV Rating?

The MERV rating system was initially created by  ASHRAE in 1987. The purpose of the Standard is designed to determine the following attributes of air filters: Particle removal capability Resistance to airflow Expected operating life How is an Air Cleaner’s MERV Rating Determined? Air cleaners are given MERV ratings based on the results of a series…