Standard gas water heaters are one of the most dangerous appliances I see in homes. This one was found in the basement of an extremely leaky house.
Whole-building ventilation Whole building ventilation should dilute interior pollutants by creating an air exchange within the home. This can be achieved by one or more
Are you still using rules of thumb to size HVAC equipment? This one size fits all approach can get you in trouble with your clients
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
Carbon monoxide poisoning is far more common than most people believe. Here is a good video that discussed the benefits of low-level monitors.
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
The Building Performance Institute (BPI) announced a new course this summer for individuals who perform building infiltration and duct leakage testing. The BPI Infiltration and Duct Leakage
Manual-J’s Required. 42 states have adopted codes equivalent to the 2009, 2012, 2015, or 2018 International Energy Conservation Codes (IECC). As a result, 29 states
