Our last Manual-J post focused on envelope loads and how important it is to properly account for them in your HVAC design. Now we will turn
Manual-S is being required by many building programs and local codes these days. The problem is, it’s really hard to tell whether the installing contractor
The authors of ASHRAE 62.2 believe that people need to breathe. And people perform best when the air they breathe is clean, high in oxygen and low in carbon
ENERGY STAR for Homes program guidelines will transition to Version 2.5 in 2011. Many homes under construction right now will be required to meet the updated requirements! This article lists lists the most significant changes and describes how this will affect the certification process.
Before jumping into the ASHRAE 62.2 options for existing homes, make sure you’ve read and understand how to calculate the airflow requirements for new construction,
Here’s how to satisfy ASHRAE 62.2 when using a supply-only system. The following are two examples of how to set things up, depending on what
120,000 homes were “officially” evaluated by HERS raters in 2010 – a 7% increase from 2009. Believe it or not, this number represents 41% of all new homes built in 2010!
Now that spray-foam insulation is becoming more common in western North Carolina’s buildings, I figure it’s time once again to discuss the most common
