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Inspecting HVAC Systems Topics include heating, venting, and air conditioning inspections.

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  #1  
Old 2/20/10, 3:33 PM
David C. Macy, CMI's Avatar
David C. Macy, CMI David C. Macy, CMI is offline
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Default Old boiler system

Had a few questions pertaining to an old boiler.

My clients were very knowledgeable and understand about the asbestos coverings and that it was an old system. They planned on replacing in a year or two. They wanted to update the windows, add insulation and do some other updates first.

There boiler specialist stated that new boilers are not that much more efficient than this old one. This was a hot water boiler with circulator pump and radiator distribution, 2 level house.

So my first question is: Is that true??

Second question is on the venting system. I have never seen one like this,
Anyone care to educate me? The cast iron ball on the top seemed to act like a damper. The open pipe at the bottom of the vent seems to be for drafting.

Thanks!!
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Old boiler system-154710-045-jpg   Old boiler system-154710-060-jpg   Old boiler system-154710-053-jpg  

Last edited by dmacy; 2/20/10 at 3:37 PM..
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  #2  
Old 2/20/10, 3:51 PM
Christopher Currins, CMI Christopher Currins, CMI is offline
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Default Re: Old boiler system

Don't have the answers to your questions, but what I've seen done with this type of system is a heat-pump has been added and the original boiler system is used as a supplemental heating source (emergency heat).
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  #3  
Old 2/20/10, 4:17 PM
Jeffrey R. Jonas's Avatar
Jeffrey R. Jonas Jeffrey R. Jonas is online now
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Default Re: Old boiler system

I also do not have your answers, but this may help you out...

http://www.energysolutionscenter.org...Efficiency.asp



Jeffrey R. Jonas
Owatonna, Minnesota



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  #4  
Old 2/20/10, 8:15 PM
Steven Taylor, 16000004979's Avatar
Steven Taylor, 16000004979 Steven Taylor, 16000004979 is offline
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Default Re: Old boiler system

This boiler is probably 40% efficient. A new boiler can be 90+% efficient. I would replace it asap
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