Barbara Smith
  • Madison, WI
  • United States
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Eliminating Standing Pilot Light Furnaces
13 Replies

If one had a large-scale home retrofit program with the goal of saving energy, what would be the pros and cons of a policy to replace all standing pilot light furnaces?  Health and safety…Continue

Started this discussion. Last reply by tedkidd Dec 11, 2012.

ENERGY STAR updates for Weatherization

Attached is a presentation developed for Wisconsin Weatherization agencies about the recent and expected updates to ENERGY STAR for appliances and equipment we use in our Low Income Weatherization…Continue

Tags: Wisconsin, ENERGY STAR, weatherization

Started Jan 18, 2011

 

Barbara Smith's Page

Latest Activity

Ryan Schmidt replied to Barbara Smith's discussion Furnace with ECM: How to Model in the group HVAC
"Hi, Barbara. It's great that you making the effort to also capture electric energy savings from furnace replacement, and taking the opportunity to upgrade the motor efficiency as well.  Being out west, I don't have experience with…"
Nov 13
Bob Blanchette replied to Barbara Smith's discussion Furnace with ECM: How to Model in the group HVAC
"+1 on the typical GROSS oversizing of furnaces. A "2 burner" (typically 50k or smaller) will heat over 3/4 of the houses in the South, and many in the North. Yet they are rarely installed as the only heat source in a single family home.…"
Nov 6
Kent Mitchell replied to Barbara Smith's discussion Furnace with ECM: How to Model in the group HVAC
"Hi Barbara, You are right about being able to model details accurately.  But then we are challenged with how to model actual useage as well.  For your question here's REM's suggested solution: At this point we suggest the…"
Nov 6
tedkidd replied to Barbara Smith's discussion Furnace with ECM: How to Model in the group HVAC
"Barbara, You model the blower motor as an "appliance", then the ECM becomes an "improvement". Put some of the furnace cost to the blower improvement (say $1000). As Bob alluded, there are quite a few "it depends" when…"
Nov 6
Bob Blanchette replied to Barbara Smith's discussion Furnace with ECM: How to Model in the group HVAC
"There's more to it than that. The blower efficiency gain comes using an ECM for low speed vs. a PSC on low. On high speed the power difference is negligible. ECM is chosen more for comfort than energy savings. ECM vs. PSC payback time simply…"
Nov 4
Barbara Smith added a discussion to the group HVAC
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Furnace with ECM: How to Model

Suppose you have a forced-air natural gas furnace.  At the end of its life, you are considering replacing it with an ENERGY STAR model.  In the cold northern states, that means 95 AFUE with an efficient furnace fan motor (blower), often an ECM.  How do you model this change to determine cost effectiveness?  Or to give your program "credit" for the energy savings?  You want to get credit for both natural gas (heating fuel) savings and the electric savings due to the motor.  If ENERGY STAR…See More
Nov 4
Barbara Smith replied to Linda Wigington's discussion Low-cost electricity monitoring: Accuracy & Applications in the group 1000 Home Challenge
"Here is a useful link: http://standby.lbl.gov/measure.html This 2011 study included the following passage on why they chose to use the Watts Up…"
Oct 16
Barbara Smith joined David Eggleton's group
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1000 Home Challenge

Linda Wigington distinguished between deep retrofits & deep energy reductions, thus expanding the range of strategies & tactics from which we might propose when engaging with people, the ones who choose.See More
Oct 16
Barbara Smith replied to Bud Poll's discussion Another benefit from air sealing
"Eliminating quarter sized holes can impede rats from entering a building, in areas where rats tend to live: http://www.npr.org/blogs/health/2014/08/29/344022034/rats-new-york-city-tries-to-drain-rodent-reservoirs"
Aug 29
Barbara Smith replied to Bud Poll's discussion Another benefit from air sealing
"The only time I was present during dense packing of an attic with cellulose, people who were observing outside the home told me they saw "small rodents" jumping from the attic as we blew. "How small?" was my…"
Aug 27
Barbara Smith replied to Christopher Talarico's discussion Heating with Tankless Water Heater & Hydronic Air Handler vs. Gas Furnace
"See "Why Pay for Two Condensing Systems When One Will Do?" by Schoenbauer et al at: http://www.aceee.org/files/proceedings/2014/data/index.htm"
Aug 27
Bob Blanchette replied to Barbara Smith's discussion ENERGY STAR Furnaces & Failure of DOE Standard in the group HVAC
"Amen. Limiting size per sqft would be more effective IMHO. It would have to be installed right to deliver it's rated capacity (most systems do not)."
Aug 15
John Nicholas replied to Barbara Smith's discussion ENERGY STAR Furnaces & Failure of DOE Standard in the group HVAC
"The minimum standard proposed was scrapped due to a skipped step in the rule making process. Regional Standards are not that cost prohibitive.  Look at Windows.  We have different standards for different areas. I run into CZ 3 energy star…"
Aug 14
Bob Blanchette replied to Barbara Smith's discussion ENERGY STAR Furnaces & Failure of DOE Standard in the group HVAC
"Draft inducer electrical efficiency needs to be addressed also. Some manufacturers are still using shaded pole motors."
Aug 12
Barbara Smith replied to Barbara Smith's discussion ENERGY STAR Furnaces & Failure of DOE Standard in the group HVAC
"Looks like the parties have agreed to go back to a traditional rule-making process and a new furnace efficiency standard could be forthcoming - perhaps the same one that was halted in 2013!  Meanwhile, DOE instituted new furnace fan minimum…"
Aug 12
Sean Lintow Sr replied to Barbara Smith's discussion Subslab ventilation in the group Best Practices (Residential)
"Sorry Barbara I didn't get a chance to read all of it, but the first few main points they made ring true for almost everything - It Depends. With that if there is a radon issue it doesn't really matter what the penalty is as their health…"
Aug 12

Profile Information

Company
Wisconsin Division of Energy Services
Professional Interests
Weatherization
Energy efficient appliances
Lighting

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Brett Little commented on Tom White's video
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The Future of Housing - And How Airtightness Can Help

"It's very true! So many people and contractors have tons of insulated attics but no air seal…"
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"The problems will surface soon enough . Why don't we take a second look at this over rated…"
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tedkidd replied to Bob Blanchette's discussion How does Cycles Per Hour affect real world AFUE?
"Want to spot a simpleton? It's a guy who thinks EE and comfort are disconnected.  Want…"
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"Nice post Tom! I really like how he puts that. Leveraging interests so they can optimize…"
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"As a contractor in the region - we frequently wonder how/why you can be a non-profit?  Oregon…"
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