Quality:

Forced-air - HVAC system. Article “Forced-air” in English Wikipedia has 38.4 points for quality (as of July 1, 2025).
The article contains 13 references and 12 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 2.02 points.
Since the creation of article “Forced-air”, its content was written by 90 registered users of English Wikipedia and edited by 90 registered Wikipedia users in all languages.
The article is cited 285 times in English Wikipedia and cited 285 times in all languages.
The highest Authors Interest rank from 2001:
- Local (English): #54511 in February 2007
- Global: #131208 in February 2007
The highest popularity rank from 2008:
- Local (English): #88733 in January 2012
- Global: #158719 in January 2012
There is 1 language version for this article in the WikiRank database (of the considered 55 Wikipedia language editions).
The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).