3 ms·
Not all if it isn't designed that way (ours isn't because we never plan to not use recirc). The loss isn't actually that much and since we are using low temp c
by j_walter 6y ago
Not all if it isn't designed that way (ours isn't because we never plan to not use recirc). The loss isn't actually that much and since we are using low temp cooling water to cool the air and we have a significant amount of that on site already we barely notice (still a cost though).
- adrr 6y agoHow old is your building? New construction is so weather sealed and lacks fresh air leaks to meet air quality standards. Pretty sure whatever standard to get a green rating on a building requires outside air to be mixed in and due to efficiency requirements there has to be heat exchanger.
- j_walter 6y ago25 years...but we also have the ability to open outside dampers on our return air chases to output all air if needed.