John Kuempel Jr. P.E.

Kuempel is vice president of design-build for DeBra-Kuempel, an EMCOR company providing HVAC, electrical, plumbing, automation, service, and maintenance in the Cincinnati and Dayton Ohio area.


Hydro Tech: Swiss Cheese Pump Impeller

Don’t let cavitation put holes in your performance.

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Hydro Tech: Is It Raining In Your Boiler Combustion Chamber?

A good boiler misapplied or improperly installed can precipitate some serious performance problems.

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Hydro Tech: The Radiant Future

It’s not just for heating anymore.

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Hydro Tech: When Variable Flow Fails

After a decade, this piping system went green (and not in the good way).

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Hydro Tech: Expansion Tank Tips

They maintain an air of calm when water turns up the volume.

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ES Gallery: Snapshots & Systems

Check out highlights from projects featured in our magazine this year!
11/20/14 2:00 pm CDT

Key Issues in Selecting Emergency Back-up Generators

Join us for this webinar on key issues for selecting back-up generators, as well as the related critical components in the power chain of emergency power systems.

Engineered Systems Magazine

ES October 2014 cover

2014 October

Check out the October 2014 issue of Engineered Systems, with features on economizers, pump operations, and much more!

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System Design

Based on your experience and knowledge level, are you currently comfortable designing or maintaining a system incorporating VRF or radiant ceiling panels?
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The Green Energy Management Book

Learn from our experts how to evaluate job opportunities, market your services, sell a Walk-through Survey, target areas for an Energy Audit, calculate energy savings, do retrofit work, and win continuing contracts for retrofit work.

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Clear Seas Research

Clear Seas Research ImageWith access to over one million professionals and more than 60 industry-specific publications,Clear Seas Research offers relevant insights from those who know your industry best. Let us customize a market research solution that exceeds your marketing goals.

Tomorrow's Environment Podcast

This series from longtime columnist and chronic forward-thinker Howard McKew covers a lot of ground -- from retrocommissioning to systems training, on toward checklists for drawings and tips for meeting minutes. Click HERE to be taken to the podcast page!


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