EcoRenovator  

Go Back   EcoRenovator > Improvements > Appliances & Gadgets
Advanced Search
 


Blog 60+ Home Energy Saving Tips Recent Posts Search Today's Posts Mark Forums Read


Reply
 
Thread Tools Display Modes
Old 04-29-18, 09:35 PM   #1
BeforeYouKnowIt
Lurking Renovator
 
Join Date: Apr 2018
Location: Chicago
Posts: 2
Thanks: 0
Thanked 0 Times in 0 Posts
Default Modifying an industrial heater to have an exhaust function

Hi, I have a Reznor f400 industrial heater that is used to heat a large warehouse space. The unit is gas powered and heats air blown across a large burner by way of a fan that sits in the rear of the unit. The fan in my model runs on a Fasco D701 motor. Just in front of the fan and on the top of the unit is a vent shaft that leads to the roof.

The space can become quite warm in the summer months. There is considerable flow of air into the space through the use of air circulators but venting air has been a problem. I'm considering the possibility of installing an inline fan in the heater vent shaft in addition to reversing the Fasco fan native to the heater. Potentially these modifications could pull hot air from the space? Thoughts?

Thanks

BeforeYouKnowIt is offline   Reply With Quote
Old 05-01-18, 04:12 PM   #2
u3b3rg33k
Apprentice EcoRenovator
 
Join Date: Mar 2018
Location: Rustbelt, USA
Posts: 114
Thanks: 5
Thanked 10 Times in 9 Posts
Default

That "vent" on top is the natural draft exhaust for flue gasses. generally speaking, it's not wise to tamper with those, and assuming the heater is sized appropriately to the warehouse, likely not big enough to produce noticeable cooling if you did.

Product - Unit Heaters - F | Reznor

Are there any windows you could open up top? an actual exhaust fan up high could be productive (3000cfm+ each). It may actually be cooler with no additional work if you turn off your air circulators - assuming they're large ceiling fans blowing the hot air down.
u3b3rg33k is offline   Reply With Quote
Old 05-02-18, 04:55 PM   #3
BeforeYouKnowIt
Lurking Renovator
 
Join Date: Apr 2018
Location: Chicago
Posts: 2
Thanks: 0
Thanked 0 Times in 0 Posts
Default

That makes sense. I've also been considering installing a whole house fan in one of the windows, maybe even running duct work to it from the farther reaches of the space? Haven't seen any examples of that with a cursory search. The air circulators are standing floor fans. I'm fooling around now with fan placement and air flow. Had a funny thought of using bubbles to help observe the air currents.

anyways
thanks
BeforeYouKnowIt is offline   Reply With Quote
Old 05-08-18, 09:22 AM   #4
Ator
Lurking Renovator
 
Join Date: Jan 2015
Location: Netherlands
Posts: 25
Thanks: 1
Thanked 7 Times in 7 Posts
Default

Wouldn't you start with reducing heat gain by painting the roof white or roof insulation? I think that would give you the highest benefits.

Ator is offline   Reply With Quote
The Following User Says Thank You to Ator For This Useful Post:
jeff5may (05-09-18)
Reply


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -5. The time now is 10:11 AM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Ad Management by RedTyger
Inactive Reminders By Icora Web Design