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| writing:solarpunk_building_changes [2026/07/02 23:30] – [Technical Stuff] JacobCoffinWrites | writing:solarpunk_building_changes [2026/07/02 23:40] (current) – [Technical Stuff] JacobCoffinWrites |
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| ===Heat Recovery Ventilators/Energy Recovery Ventilators=== | ===Heat Recovery Ventilators/Energy Recovery Ventilators=== |
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| These devices bring fresh air into buildings without changing the temperatures inside. ERVs and [[HRVs|https://en.wikipedia.org/wiki/Heat_recovery_ventilation]] both transfer heat between incoming and outgoing air streams. However, ERVs also transfer moisture and can help cool the home, while HRVs can’t. | These devices bring fresh air into buildings without changing the temperatures inside. ERVs and [[https://en.wikipedia.org/wiki/Heat_recovery_ventilation|HRVs]] both transfer heat between incoming and outgoing air streams. However, ERVs also transfer moisture and can help cool the home, while HRVs can’t. |
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| ERVs are a good choice for climates with high humidity or for homes where maintaining consistent indoor humidity is a priority. [[HRVs can be a better choice for climates with mild humidity or in colder environments, as ERVs can have trouble functioning in cold temperatures.|https://www.thisoldhouse.com/heating-cooling/how-an-energy-recovery-ventilator-erv-works]] | ERVs are a good choice for climates with high humidity or for homes where maintaining consistent indoor humidity is a priority. [[https://www.thisoldhouse.com/heating-cooling/how-an-energy-recovery-ventilator-erv-works|HRVs can be a better choice for climates with mild humidity or in colder environments, as ERVs can have trouble functioning in cold temperatures]]. |
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| These are usually large systems set up in an out-of-sight spot and connected to ductwork, but [[https://www.greenbuildingadvisor.com/article/introducing-the-swervair-energy-recovery-ventilator|window units]] are going on the market now, so they may be more common in your solarpunk future. | These are usually large systems set up in an out-of-sight spot and connected to ductwork, but [[https://www.greenbuildingadvisor.com/article/introducing-the-swervair-energy-recovery-ventilator|window units]] are going on the market now, so they may be more common in your solarpunk future. |
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| ===Filtered Box Fan=== | ===Filtered Box Fan/Corsi-Rosenthal Box=== |
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| | A staple of wildfire zones, [[https://cleanaircrew.org/box-fan-filters/|these DIY window filters]] can be a good visual indication that climate change is still wreaking havoc or that long memories still carry some scars and caution. They can also help with airborne pathogens and pandemics. When using an off-the-shelf fan, it's important to match the available airflow against its default speed settings. By using multiple MERV-13 air filters, arranged as a box which sticks out the window, there's enough airflow for the fan to operate as normal (a single filter, sealed up against the fan would burn out the motor). |
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