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Asked 1 year ago By Ag Primatic
Updated 1 year ago By
Category: General Questions
At the end of this article, you state "The next article will delve into practical HVAC applications using Enthalpy & Dry Bulb sensors." Was there ever a next article? Thanks, Ag Primatic
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Asked 3 years ago By Gymbo
Updated 3 years ago By
Category: Barometric Relief
I have a large gymnasium that uses two motorized barometric relief dampers. They are noisy and I'd like to get rid of them. I can't use standard relief dampers because sometimes the pressure is positive, and other times when school is in session the ...
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Asked 1 year ago By Stan
Updated 1 year ago By
Category: General Questions
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Asked 1 year ago By Amol
Updated 1 year ago By
Category: General Questions
IS there any dynamic loading on Ducts occur while handling the Air? Due to change in Air volumes? or it is just a static loading?
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Asked 1 year ago By jose
Updated 1 year ago By
i cant find the correct size filter for this roof top unit its the outside metal filter i measured it and its a lil over 15" x a lil over 11" all filters i find online are exact sizes not over a little
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Asked 9 months ago By Lew
Updated 9 months ago By
Category: Curbs
What’s the warranty on your std curbs and seismic and vibration curbs
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313
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Asked 3 years ago By justme
Updated 3 years ago By
I have a erv and the wheel is super dirty. Is is possible to clean it?
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258
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Asked 1 year ago By peter
Updated 1 year ago By
Category: Economizers
please provide the installation instruction for mixing box model MB-GP20TA
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Asked 1 year ago By Cliff
Updated 1 year ago By
Category: Economizers
Do you make a 100% Motorized Outside Air Damper & Hood for York's 25 - 40 Ton Rooftops
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Asked 9 months ago By Joel
Updated 9 months ago By
Category: General Questions
Do u have any locations in florida ?
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Asked 3 years ago By AndyW
Updated 3 years ago By
Category: Barometric Relief
Our office building has a Carrier model 48TFE008 equipped with a MicroMetl Economizer model 0688-0201-54920. We have had a zone control system installed. I now have four separate zones each with a separate thermostat. This zone system closes and open...
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Asked 1 year ago By Phill
Category: General Questions
What is adjusted static pressure and how does it work. My book says the formula is design static times 100?
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Asked 1 year ago By Joseph
Updated 1 year ago By
Category: General Questions
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Asked 1 year ago By Billy
Updated 1 year ago By
Category: HVAC Controls
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Asked 6 months ago By dennis
Updated 5 months ago By
Category: Economizers
loking for mixing box  4000 cfm 40"x 40" - 24" high -it could be little different let me know thanks. It is for United Cool Air horizontal c-series unit 10 ton
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Asked 3 years ago By Fern
Updated 3 years ago By
Category: HVAC Controls
When trying to properly charge a package unit using dry bulb and wet bulb readings, where do I get my wet bulb reading? At  the return side or supply side of the RTU?
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Asked 1 year ago By DannyBoy
Category: HVAC Controls
Stage1 - ECM  Motor - just Not getting below 1265CFM -4ton so No Cool Coil Stage 1 Just Blows  Humidity Straight Back Up to 64% from 54% Also the Stat Why is It all Locked Down to Max of 9 Min.  Stage 1 - After the House is Cool and Coil is Cold - Ho...
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Asked 1 year ago By Don
Updated 1 year ago By
Category: Curbs
We would suggest checking with the local municipalities in Florida for this information.
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Asked 1 year ago By James
Updated 1 year ago By
Category: Economizers
I am working on a project, I suspect they did wrong connection on ductwork, can you take a look and give you r take?
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272
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Asked 3 years ago By Frank
Updated 3 years ago By
Category: HVAC Controls
I have a Jade Controller installed with Y1 as economizer, and Y2 mechanical (conv). I have economizer, and 24 volts going to Y2 in, and nothing on Y2 out. I waited 10 minutes and still no signal.  I was told stage 3 had to be changed to 0, I did that...
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Updated 1 year ago By
Category: Economizers
Please advise if you can provide price and details Need QTY(2) Air Flow Measuring Stations for Carrier Model 50A3-040-2G52GFQ Rooftop similar to Trane TRAQ assembly
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Asked 1 year ago By Anonymous User
Updated 1 year ago By
Category: General Questions
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Asked 3 years ago By TC
Category: General Questions
HVAC sizing for 4000 sq ft. building with 8 ft ceiling. 18" outside wall thick. North and West wall are interior walls to adjoining heated and cooled walls. Iowa
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Asked 1 year ago By airwolf2tv
Category: General Questions
Is it possible for a professional HVAC company to replace a 3-ton 2005 lennox RTU with a new Carrier 3-ton RTU, using a curb adapter, and end up with 10-12 degrees of return-air temperature rise between return plenum and the coil?? These guys have be...
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