How Zipf-Air Boosted Profits by Going Residential

By Flipping his business model and focusing on customer service, high-end brands and Indoor Air Quality, John Zipf turned a commercial-heavy HVAC company into a thriving residential operation.

Read the entire story here:

https://www.smacna.org/news/smacnews/issue-archive/issue/articles/smacnews-july-august-2025/residential--how-zipf-air-boosted-profits-by-going-residential