Joshua Lloyd
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  • Columbus, OH
  • United States
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Air Handler Fan Speed
15 Replies

As much as I would like to say I am an expert, I am not when it comes to the actual performance and settings of a residential gas furnace and air conditioning unit.  So I am hoping some would be…Continue

Started this discussion. Last reply by Eric Kjelshus Jul 8, 2013.

 

Joshua Lloyd's Page

Latest Activity

Joshua Lloyd replied to GEORGE LEVOSINSKI's discussion Good Deals, 66% off Price New in the group Energy Auditing Equipment for Sale, Trade or to Purchase
"Can you provide a link to the Craigs List posting?"
Dec 4
Joshua Lloyd joined allen p tanner's group
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Energy Auditing Equipment for Sale, Trade or to Purchase

Discuss the pros and cons of the equipment you are interested in prior to purchase. Post equipment you have to sell, trade or wish to purchase.Please post the equipment age, serial numbers, condition, warranties and asking price.See More
Dec 4
Joshua Lloyd replied to David Eggleton's discussion Whose opportunity is The 1000 Home Challenge? in the group 1000 Home Challenge
"I see it as another program to verify improved performance of the existing infrastructure without the membership cost such as LEED or Passive House.  What really drew me in was the opportunity to get recognized for the work we have been…"
Nov 24, 2013
Eric Kjelshus replied to Joshua Lloyd's discussion Air Handler Fan Speed
"this is what I do for 25 yr.  I find most res unit are mid .8" water Col.   The tag on side of air mover says .5 or .4 you can look at SP or feet per min or temp, you get the same model.  This is big,  very big"
Jul 8, 2013
Justin Mackovyak replied to Joshua Lloyd's discussion Air Handler Fan Speed
"A quick static pressure test would help you determine if you're getting the flow you need over the coil.   You should be able to reference your manufacturer's documentation for the TESP.   If it's too high, then it would be…"
Jul 8, 2013
TarheelTech replied to Joshua Lloyd's discussion Air Handler Fan Speed
"Sounds like to me that you have a system installed and it has never been setup properly. Have a Service Tech come by and set it up for you. "
Jul 4, 2013
Bob Blanchette replied to Joshua Lloyd's discussion Air Handler Fan Speed
"Sounds like the unit may not be charged correctly if it's not full?"
Jun 29, 2013
Eric Kjelshus replied to Joshua Lloyd's discussion Air Handler Fan Speed
"Use your IR with new 16 seer coils and see hot spot. All the coil is not full."
Jun 29, 2013
Curt Kinder replied to Joshua Lloyd's discussion Air Handler Fan Speed
"I'm always amused by HVAC contractors who blame 410a for whatever woes are at hand. The cost delta for an ECM blower equipped air handler is now about $300, and for another $200 deploy a thermostat that senses and signals the air handler that…"
Jun 29, 2013
Bob Blanchette replied to Joshua Lloyd's discussion Air Handler Fan Speed
"When used with a TXV (most 410a systems use them) you can get the coil as cold as you want simply by reducing airflow. No need to use a smaller coil"
Jun 29, 2013
Eric Kjelshus replied to Joshua Lloyd's discussion Air Handler Fan Speed
"I have tryed that but with the new R-410A I now get higher temps than ever.  To get very high RH humid removal I all so put smaller coils in  so the coil gets very coil, but the EER goes low at same time.    I have been adding a…"
Jun 28, 2013
Bob Blanchette replied to Joshua Lloyd's discussion Air Handler Fan Speed
"Ideally you would set the blower up as a "2 speed" with a humidity controlled blower speed. Run 350CFM/ton during humid weather and 450CFM/ton during dry weather. Get the coil down to 35-40 degrees in humid weather for maximum humidity…"
Jun 28, 2013
Doug Garrett replied to Joshua Lloyd's discussion Air Handler Fan Speed
"You are correct in stating that the blower fan is set to different speeds for heating and cooling.  For cooling the evaporator coil is designed to operate at peak efficiency with between 350 and 450 CFM per ton of cooing capacity.  Most…"
Jun 27, 2013
Kent Browning replied to Joshua Lloyd's discussion Air Handler Fan Speed
"The fan speed needs to be set to provide the air flow to each room calculated by the Manual J.  It was rare to have a contractor do a manual J or adjust the fan speed until recently.  The City of Austin (Texas) required thru the energy…"
Jun 25, 2013
Eric Kjelshus replied to Joshua Lloyd's discussion Air Handler Fan Speed
"ask a test and ballance HVAC person.  look up the factory CFM, or can be called fan performance data, or called SP chart.  It comes with the new funace its part of the paper work that you use for knee pad.  I use a water collume gage…"
Jun 22, 2013
Sean Lintow Sr replied to Joshua Lloyd's discussion Air Handler Fan Speed
"Yeah that is a big issue, especially with the improvements made to not only the equipment but what people have done to their houses. Per the HAC board down here everyone has supposed to have been doing them for years (even for replacements), but…"
Jun 21, 2013

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PCI Design Group, Inc.
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BPI, LEED AP BD+C
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http://www.symhome.net
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http://www.symhome.net/blog
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At 3:42pm on January 26, 2013, Ron Young said…

Hey Josh, Thanks for all the help yesterday. I sent my resume in. Wish me luck. Ron

 
 
 

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