ECD realizes that there has been some confusion around modeling air source heat pumps (ASHP). In a recent webinar, MassSave made clarifications as to the correct method of modeling this equipment. In this article, we recap those clarifications. Why isn’t COP a Supported Method? A common mistake made when modeling ASHP is converting heating seasonal performance factor…
Day: May 18, 2024
Operational vs Embodied Carbon
What is the difference between operational carbon and embodied carbon? What it is and why you should care: Carbon vs… Carbon? In the field of green building and the sustainable built environment, the term “carbon” is commonly used as shorthand terminology for greenhouse gas (GHG) emissions, measured in units of CO2e or equivalent CO2 emissions. “Carbon”,…
Zeroing-in On Net-Zero Energy Homes
Let’s understand that there is not a single, universally agreed upon definition of Net Zero Energy Buildings; as the zero-energy enigma lingers, the terms Zero Energy Building (ZEB) and Net Zero Energy Building (NZEB) can be used interchangeably. The goal is to achieve an end result of zero energy. The Department of Energy (DOE) defines net zero…
The Importance of HVAC Design for Energy Star Certified Homes.
Achieving Energy Star certification for homes is a significant accomplishment that signifies a commitment to energy efficiency and sustainability. The Heating, Ventilation, and Air Conditioning (HVAC) design plays a crucial role in obtaining and maintaining Energy Star certification for homes. With all the work you put in to achieving an ENERGY STAR certification, proper design…