Ivan Spronk Hua Zhang

Schneider Electric’s Ivan Spronk is the product manager for ac drives & softstarts and Hua Zhang is the HVAC segment manager. Visit www.us.schneider-electric.com.


Boosting Energy Efficiency With VFD

By Ivan Spronk Hua Zhang
No Comments
The biggest key in identifying the energy savings opportunity of variable-speed drives in HVAC systems is to understand the operating cycle of the system versus the heating and cooling needs actually required. Most HVAC systems are designed to keep the building cool on the very hottest days and warm on the very coldest days.
Read More



Image Galleries

2014 Energy Efficiency Forum

Highlights from the 25th annual Energy Efficiency Forum in Washington, D.C.


NEWSMakers: Joseph Groh

Joseph Groh, an industry veteran boasting 35 years of HVAC experience, discusses the 2008 bicycle accident that cut his career tragically short, and how the Joseph S. Groh Foundation is his way of giving back to the construction trade. Posted on Aug. 22.

More Podcasts


NEWS 08-25-14 cover

2014 August 25

Check out the weekly edition of The NEWS today!

Table Of Contents Subscribe

Prohibiting HFCs

EPA is proposing a rule that would prohibit some HFCs in select refrigeration applications. Do you agree with this move?
View Results Poll Archive


2014 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

More Products

Clear Seas Research


Clear Seas ResearchWith 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.


Magazine image
Register today for complete access to ACHRNews.com. Get full access to the latest features, Extra Edition, and more.


facebook icontwitter iconyoutube iconLinkedIn i con