Timeline for Optimizing HVAC airflow for cooling
Current License: CC BY-SA 4.0
3 events
| when toggle format | what | by | license | comment | |
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| May 9, 2023 at 23:54 | comment | added | Greg Hill | @Jamesfo Yeah, the basement return is counter-intuitive. The idea is that rather than directly cooling the hot air by sucking that into the HVAC, we can dilute the hot air with cold air. There's a reservoir of cold air already sitting in the basement; if the blower and the supply ductwork have the capacity to do it, then taking that cold air from where it's unwanted ("wasteful") and blowing it to an area where cold is wanted is a win. The mechanical system can force that cold air to blend with the hot air upstairs, especially if there's a ceiling fan helping to make the mixing happen. | |
| May 9, 2023 at 22:31 | comment | added | Jamesfo | Excellent. These are the kind of action items I'm looking for. Can you explain #2... it seems like additional air returns pulling in the cold basement air in the cooling season means a corresponding/greater loss of pulling in hot air from the upstairs. Given that the added basement returns would be closer to the blower, thus less resistance, wouldn't the returns upstairs become less effective? | |
| May 9, 2023 at 20:46 | history | answered | Greg Hill | CC BY-SA 4.0 |