Don Fugler
  • Ottawa, Ontario
  • Canada
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Latest Activity

Dara Bowser replied to Don Fugler's discussion joining ducts in the group HVAC
"That would be in the SMACNA installation standards, but I will not be in the office until Monday & I do not have an E-copy that I can access."
Nov 28, 2017
Don Fugler replied to Don Fugler's discussion joining ducts in the group HVAC
"You guys have been really helpful. One more question if you have the time ... If you are hanging horizontal (mostly horizontal) metal exhaust duct runs, is there a specification for the number or location of duct hangers? Thanks."
Nov 28, 2017
Eric Kjelshus replied to Don Fugler's discussion joining ducts in the group HVAC
"I use 5" worm gear clamps  for 4" steel pipe takes a 5/16 nut driver, very easy to clean.  I use a long sweep 4"  28 gage elbow and and use tin snips cut back 3/4'  6 lines then clamp between dryer and …"
Nov 26, 2017
Armand C Magnelli replied to Don Fugler's discussion joining ducts in the group HVAC
"I agree with Dara's approach, I haven't used the Hart and Cooley QC clamp, nor have I fabricated my own, but I have had success with the Fantech FC Series Clamps.      The Fantech clamps have the advantage of a rubber liner…"
Nov 26, 2017
Dara Bowser replied to Don Fugler's discussion joining ducts in the group HVAC
"The best connector would be what is called generically a "Draw-Band". The Hart & Cooley Catalogue call theirs the "QC" and it is shown on page 12 of their accessory catalogue (attached). Fantech also has these. These are…"
Nov 26, 2017
Don Fugler replied to Don Fugler's discussion joining ducts in the group HVAC
"I hear what you are all saying about dryer vents, and how screws there should be avoided (as long as there is some way to clean the duct). Let's move the discussion to kitchen exhaust fan vents. What I gather from this conversation is that the…"
Nov 26, 2017
Dara Bowser replied to Don Fugler's discussion joining ducts in the group HVAC
"See my reply to Don Fugler earlier. Dryer ducts can usually be cleaned effectivly with a shop-vac and the right connector. The difficulty is getting access to the duct. This is why we recommend this product…"
Nov 26, 2017
Eric Kjelshus replied to Don Fugler's discussion joining ducts in the group HVAC
"one maker of duct fans kits puts in #6X 3/8" with 1/4" hex head metal screws.  If you over crimp the 4" pipe will not start the 3/8" long screw.  google" How to prevent fires in  clothes dryers"  I…"
Nov 26, 2017
Armand C Magnelli replied to Don Fugler's discussion joining ducts in the group HVAC
"I often suggest pop-rivets as an alternative to sheet metal screws for both clothes dryer duct work and for gutters and downspouts, for similar reasons.  The obvious downsides include the need to drill a hole in addition to installing a…"
Nov 24, 2017
Dara Bowser replied to Don Fugler's discussion joining ducts in the group HVAC
"Good to hear you have clean dryer ducts Don. The dryer duct issues that we run into are predominantly upper story dryers that are vented out through the roof. Installers use a roof-cap with a screen and the lint packs up inside the screen. This can…"
Nov 19, 2017
Don Fugler replied to Don Fugler's discussion joining ducts in the group HVAC
"David, If the IMC mandates metal dryer duct and prohibits metal screws, they must be accepting other fastening methods for metal ducts (unless the duct is continuous metal flex)."
Nov 19, 2017
David Butler replied to Don Fugler's discussion joining ducts in the group HVAC
"I never checked that before. Checking now... Section M1502.4.2 of the International Residential Code prohibits screws or other fasteners that protrude more the 1/8" into a clothes dryer duct. M1502 also requires manufacturer instructions to be…"
Nov 19, 2017
Don Fugler replied to Don Fugler's discussion joining ducts in the group HVAC
"Brendan, Thanks for that response. Because of your warning, I just went down to the basement and disassembled my 4 inch diameter metal dryer duct, joined with screws (and taped), and peered down it with a flashlight. It has probably been up for 10…"
Nov 19, 2017
Brendan Reid replied to Don Fugler's discussion joining ducts in the group HVAC
"Hi Don, Summary: DRYER VENT: screws bad idea, possibly prohibited by code. METAL DUCT: must be screwed together or other mechanical connection S/Drive etc FLEX for conditioned air or ventilation: Panduit strap is preferred mechanical connection. I…"
Nov 19, 2017
David Butler replied to Don Fugler's discussion joining ducts in the group HVAC
"Static pressure drop through a straight length of pipe is a function of friction rate, and friction is largely a function of surface smoothness. Like metal ducts, PVC pipes have a relatively smooth surface. Here's a friction loss calculator…"
Nov 18, 2017
Sean Wiens replied to Don Fugler's discussion joining ducts in the group HVAC
"Apparently the air passing over the PVC creates a strong static field that in turn impedes air flow."
Nov 18, 2017

Profile Information

Company
Retired
Professional Certification
P. Eng.
Professional Interests
residential IAQ, energy usage, etc.

Comment Wall (3 comments)

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At 9:43am on February 24, 2017, Rana Belshe said…

Don,

I never got a link from you to the low cost particle monitoring group.  Or if I did I don't know where it arrived.  Thanks in Advance,  Rana

At 11:04am on November 15, 2016, Rana Belshe said…

Thanks, Don!

At 10:01am on May 27, 2012, Diane Chojnowski said…

Hi Don,

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!

Don't forget to upload your profile photo. And add your location on our Member Map!


Thanks!
Diane, HEP Moderator

 
 
 

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