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

 
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Old 1/24/09, 9:31 PM
Ben J. Gromicko's Avatar
Ben J. Gromicko Ben J. Gromicko is offline
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Default 78% AFUE standard

Is it true that today's standard for residential furnaces is 78% AFUE, and in 2015 it goes to 80%?
And for boilers, current standard is 80%, and it goes up to 82 (gas) and 83 (oil)?
And for mobile home furnaces, it is 75% currently, and it goes up to 80%?



BEN GROMICKO
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Now That You've Had a Home Inspection" Book

Last edited by bgromicko; 1/24/09 at 9:35 PM..
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Old 1/24/09, 9:42 PM
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Ben J. Gromicko Ben J. Gromicko is offline
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Default Re: 78% AFUE standard

And does anyone know about the SDHV systems minimum efficiency rating?
Is it still 10 SEER, or were they regulated to increase in efficiency along with a/c units and heat pumps?
Thank you.



BEN GROMICKO
InterNACHI Director of Education
"
Now That You've Had a Home Inspection" Book
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Old 1/25/09, 3:42 AM
Brian A. MacNeish Brian A. MacNeish is offline
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Default Re: 78% AFUE standard

Quote:
Originally Posted by bgromicko View Post
Is it true that today's (minimum) standard for residential furnaces is 78% AFUE, and in 2015 it goes to 80%?
And for boilers, current standard is 80%, and it goes up to 82 (gas) and 83 (oil)?
And for mobile home furnaces, it is 75% currently, and it goes up to 80%?
These sound correct; don't know what the future minimums will be.

Used to regulate these items here.
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Old 1/25/09, 8:09 AM
wsiegel wsiegel is online now
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Default Re: 78% AFUE standard

For AC units here is Florida the SEER rating is currently 13
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