What Does “Design Day” Really Mean?
August 12, 2021 By Luke Powell, WELL AP, LEED AP As I type this, the ambient (outdoor) temperatures are 95°F dry bulb and 79°F wet bulb here in Louisville, KY. Those conditions are above a “design day” for Louisville (94.0°/75.1°). The American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE) puts out […]
Ventilation – Does Your Home Have It? Probably Not.
December 20, 2020 By Luke Powell, WELL AP, LEED AP Ventilation. A term that most people outside of the HVAC world rarely heard until a few months ago. As the COVID-19 pandemic escalated, and the CDC and WHO finally started to recognize airborne transmission, ventilation quickly became a buzz word. So why does ventilation […]
DOE Efficiency Standards on HVAC Equipment
The United States Department of Energy (DOE) establishes energy-efficiency standards for certain appliances and equipment, and currently covers more than 60 different products. The Appliance and Equipment Standards Program issues regulations on test procedures, and for the implementation, certification, and enforcement of the standards. As defined in the Code of Federal Regulations (CFR), small, large, […]
Introducing WELL Building Standard Version 2
Yesterday (September 15, 2020) marked the official release of WELL v2. The WELL Building Standard™ version 2 (WELL v2™) is a vehicle for buildings and organizations to deliver more thoughtful and intentional spaces that enhance human health and well-being. The new version includes a set of strategies—backed by the latest scientific research—that aim to advance […]
The Case for Airborne Transmission of COVID-19
Droplets Fomites Aerosols Airborne What do all of these terms mean when it comes to the spread of COVID-19? Let’s look at definitions of each first. Droplets – Defined by the CDC and the WHO as projectiles that infect by impaction and fall quickly to the ground (often called “ballistic droplets”). Particles larger than ~300 […]
What is the WELL Building Standard?
What is a WELL Building? The WELL Building Standard is the first building standard to focus exclusively on the health and wellness of the people in buildings. The WELL Building Standard is a performance-based system for measuring, certifying, and monitoring features of the built environment that impact human health and wellbeing. It combines best practices […]