Congratulations to Deiter Bros. — Ranked #1 for 31st Year

By Keenan-Nagle | December 6, 2017 | Category: News

Leading regional brand a K-N client since 1979

Congratulations to Deiter Bros. Heating Cooling Energy!

Who’s Who in Lehigh Valley Business 2018 has ranked Deiter Bros. Heating Cooling Energy as the #1 name in two service categories: Heating & Cooling Services and Fuel Delivery. This is the 31st time that the company has earned the annual recognition.

The Bethlehem-based HVAC and energy company has been a Keenan-Nagle client since 1979. “Deiter Bros. is an example of what happens when a company commits to excellence in customer service teamed with a consistent brand-building strategy ,” said Mike Keenan, president of Keenan-Nagle. “It’s an unbeatable marketing combination and a tribute to the work of the Deiter family and their organization. We are proud to have them as clients, and more importantly as friends, for nearly four decades.”

Mike Keenan Deiter Bros. 50th Anniversary event

1979: Deiter Bros. 50th Anniversary event organized by Mike Keenan (right) shown here with Bill Deiter


The Who’s Who program “seeks to reward local businesses for developing strong and memorable relationships with their customers,” according to a recent media report issued by Lehigh Valley Style.  Top performers are compiled yearly from months of local household consumer surveys conducted by, an independent market research firm. Winners hold the Who’s Who title for 12 months until results of the next research are revealed by Lehigh Valley Style magazine, sponsors of the market research.

Founded in 1929, Deiter Bros. Heating Cooling Energy is a family-owned company providing HVAC, fuel oil and propane delivery, and transportation fuels for residential and commercial interests. Service facilities are located in Bethlehem and Easton, and online at

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