January 2014    

 

Product Highlights

  


7 Reasons to use ECM Motors
 

 

AC Motors w/ VFD vs. ECM


It's the buzz.  Everyone is asking about ECM Motors and Fans.  There are a lot of good reasons to consider them in your HVAC designs.  Here are 7. 

  1. High Efficiency:  A big advantage of ECM motors is that they are significantly more efficient when compared to AC motors.  ... Continue Reading
 
 
Pool 
Dehumidification made simple

  

 

This invaluable resource is at your fingertips online and also available for download in PDF format for your convenience.   

  

 

  

  

ASHRAE  - Boston
 
 Boston Ashrae
 

February 11, 2014 

ASHRAE Boston Program 

 

  

Designing AC Refrigeration Systems - Lessons Learned
Presented by:  Steve Tafone, Suffolk Construction
Featuring discussion on using chillers vs. DX for DOAS.  Get a seat early for this one.  Steve is high entertainment value.  

  

 

  

 

Call Us - We Can Help 

(207) 985-0873

 

DAC Sales  

P.O. Box 576    

W. Kennebunk, ME  

04094

 

sales@dac-hvac.com 

 

www.dac-hvac.com 

 

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Ask Rick Button


We are committed and will do our best to provide worthwhile content. If you have a question, please ask it. We will do our best to post a timely answer. Thank you.

 

 

Rick McGinley

President, DAC Sales
Ask Rick Button




  Blog Posts
 

  

Ask Rick: Freeze stat location? 

Q.  Does a freeze stat always go after preheat coil and before chilled water coil or is it OK putting it on the leaving side of chilled water coil? 
A: You should use a freeze stat to protect your water coils from freezing. Rooftop units with water coils should always have freeze stats, even if using a water/glycol mixture.  
Normally the freeze stat goes on the leaving face of the heating coil set at 38F.
...  Continue reading

  

  

 
Ask Rick: Fan Array | Does it make sense?

  

Q.  I have been looking at different fan options for my Air Handling Unit application.  What are your thoughts on the Fan Wall technology? 
A:  The technology is called by different terms;  Fan Array, Fan Wall, Fan Matrix, Multi-Fan etc.  It is a combination of smaller fans built into a wall section to replace a traditional single large fan.  ... Continue reading

  

 

 
  DAC Sales     PO Box 576      W.  Kennebunk, Maine 04094     (207) 985-0873

  sales@dac-hvac.com     www.dac-hvac.com