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Ventilation Energy Enthalpy Recovery Ventilator Erv Humidity

4 Ways to Do Balanced Ventilation

Posted by on 2017-04-03

Ventilation is a great thing. Bringing outdoor air into the home and exhausting stale indoor air improves indoor air quality. Well, most of the time anyway. Sometimes the outdoor air quality is worse than indoor air. Sometimes you bring in…

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Aspen, Colorado Dumps Energy Rating Index

Posted by on 2017-01-23

The city of Aspen, Colorado has bucked the trend. Well, actually two trends, but first things first. The 2015 International Energy Conservation Code (IECC) introduced another pathway for code compliance using what's called the Energy Rating Index (ERI). Since the only…

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New Home Installation With Sagging Flex Duct

This Model Code May Limit Flex Duct

Posted by on 2016-12-19

Some people love flex duct. Some people hate it. Some of us are OK with it if it's done right. As I've documented here numerous times, many flex duct installations leave a lot to be desired. They sag. They're kinked.…

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