Jerry Huelsenbeck
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  • Bridgeville, PA
  • United States
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Jerry Huelsenbeck's Discussions

CAZ make-up air options

Started this discussion. Last reply by Bob Blanchette Jan 27, 2012. 5 Replies

I've encountered an install of 6" duct directly connected to the outside through the rim joist and covered by a simple mess screen on the end.  The other end has been placed next to the gas…Continue

 

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Bob Blanchette replied to Jerry Huelsenbeck's discussion CAZ make-up air options
"Glad they used insulated duct for the fresh air intake ;) Have you considered sectioning off the water heater and furnace from the rest of the laundry area? Make the that unconditioned space. How about a vent between the laundry area and the rest of…"
Jan 27, 2012
Jerry Huelsenbeck replied to Jerry Huelsenbeck's discussion CAZ make-up air options
"Picture of uncontrolled make-up air duct next to furnace.  "
Jan 27, 2012
Jerry Huelsenbeck replied to Jerry Huelsenbeck's discussion CAZ make-up air options
"The units are in a conditioned laundry area, 16'X11'X7.5'  The DHW is 36K btu & furnace 45K btu. (Dryer is electric.)"
Jan 27, 2012
Bud Poll replied to Jerry Huelsenbeck's discussion CAZ make-up air options
"Hi Jerry, your classic can of worms. Each of us must decide where we will draw the line, that line where we can be blamed for making conditions worse and this is one.  Any improvements on air sealing could affect that CAZ, therefore, IMO, I…"
Jan 27, 2012
Bob Blanchette replied to Jerry Huelsenbeck's discussion CAZ make-up air options
"Let it be known common venting of power draft and natural draft appliances is against code in many jurisdictions. Are the DWH and Furnace in conditioned or unconditioned space?"
Jan 26, 2012
Jerry Huelsenbeck posted a discussion

CAZ make-up air options

I've encountered an install of 6" duct directly connected to the outside through the rim joist and covered by a simple mess screen on the end.  The other end has been placed next to the gas furnace as make-up air.  The cold air just pours in whether the furnace is active or not.  There is a clear need for make-up air as the CAZ is very small and the DHW and furnace are next within a couple of feet of each other.  Any advice on a simple mechanical option to better regulate this situation.  (The…See More
Jan 26, 2012
Jerry Huelsenbeck is now a member of Home Energy Pros
Dec 6, 2011

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Company
Energy Eagles
Professional Certification
BPI Building Analyst, Building Envelope, RESNET Rater
Professional Interests
Audits, Duct efficiency, HVAC hybrids
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http://energyeagles.com
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Jerry Huelsenbeck

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At 8:13am on December 7, 2011, Diane Chojnowski said…

Hi Jerry,

Welcome to Home Energy Pros! Feel free to join the conversation in the Forum and Groups. And share your energy efficiency photos, videos and upcoming events. If you're blogging about home performance, this is the place for you!


Thanks!
Diane, HEP Moderator

 
 
 

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