[Greenbuilding] Gas furnace

[John E. Beeson]

 Hey George,

I'm missing how one begets the next.  I probably need a great deal of
education here.  You are referencing ASHRAE, right?  How does the blower
door test help determine stuff?

In much need of more info,

-john

------------------------------"George J. Nesbitt" <geoedb at idiom.com>
wrote---------------
1. Load calculation, Manual J, accurate to house as built, insulation,
windows, area and R/U-values/SHGC, blower door test, tight ducts
selected 
2. Manual D duct design to check if ducts are adequate.
3. Manual T grill/register design.
4. undersize unit some from design load
5. ACCA Quality Installation checklist
6. Tight ducts <6% design airflow.

Check to see if there are any Home Performance contractors in the area. 
www.energystar.gov, www.bpi.org
Have a HERS Rating done on the house www.natresnet.org

In a gas furnace I like the Bryant (also Carrier brand) 96.6% AFUE 2
heating stage ECM variable speed fan, or equivalent by other
manufactures.

----------------
QUINN EVANS | ARCHITECTS

John E. Beeson, LEED AP

219 1/2 N. Main Street
Ann Arbor, MI  48104
jbeeson at quinnevans.com
www.quinnevans.com
v 734 663 5888
f 734 663 5044

"I'd put my money on the sun and solar energy. What a source of power! I
hope we don't have to wait till oil and coal run out before we tackle
that."
~~Thomas Edison, 1931

>"Buildings are rarely built to use energy efficiently, despite the
sizeable costs that inefficient designs impose on building owners,
occupants, and the utility companies that serve them. The reasons for
this massive market failure have to do with the institutional framework
within which buildings are financed, designed, constructed, and
operated: many of the roughly two dozen actors who play a role in this
process have perverse incentives that reward inefficient practice.
Fragmented and commoditized design, false price signals, and
substitution of obsolete rules-of-thumb for true engineering
optimization have yielded buildings that cost more to build, are less
comfortable, and use more energy than they should."  
>- Amory Lovins
P Before printing, think about the ENVIRONMENT