Incorrectly-located Fresh Air Intake
The fresh air intake for the HVAC system should not be installed in the attic or crawl space.
Less commonPlan for itHeating equipment
Why it matters
Improper placement of the intake can lead to poor air quality, intake of harmful gases or exhaust fumes, and reduced efficiency of the HVAC system.
How common is it?
Didn't come up in the homes HomeCloud evaluated Sep 2025 to Oct 2026, but it's on our list of HVAC findings.
Counted by the finding's name on HomeCloud reports, so the true number can be a little higher.
How soon to fix it
HomeCloud reports list this as something to plan for rather than an emergency.
More HVAC resources
What kind of HVAC system do I have?How to tell a heat pump from a gas furnace with AC, a packaged unit or a mini-split, and how to read the equipment label for its size and age.The best HVAC brandsWho makes the major brands, how to compare equipment fairly, and why the installer matters as much as the brand.HVAC maintenanceWhat you can do yourself (filters, the outdoor unit, the condensate line) and what a yearly tune-up covers.
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