Building envelope / HVAC retrofit for wildfire season
I’m in the Seattle, WA area (zone 4 / marine) and hoping to prevent my house from filling with smoke this wildfire season.
Are there any suggestions on how to upgrade our HVAC system to help here? We have a pretty conventional forced-air system; I was thinking of a combination of a HEPA bypass filter to eliminate smoke that gets in, plus some sort of a filtered fresh air intake to give us positive pressure and help keep smoke out.
I’d also be grateful for any recommendations on contractors in the Seattle area who can handle this work, as well as contractors who can help find and eliminate building envelope leaks to limit smoke infiltration.
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