Blake Shurtz
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  • Richmond, CA
  • United States
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Blake Shurtz's Discussions

Replacement for Energy Conservatory Flow-blaster

Started this discussion. Last reply by John C. Semmelhack Oct 24, 2017. 1 Reply

It's too bad that the flow-blaster is no longer being produced or technically supported. Does anyone out there have recommendations for the next best thing? I need it for supply air flows between 40…Continue

Testing spillage on induced draft furnace?

Started this discussion. Last reply by Chris Clay Sep 30, 2016. 2 Replies

Hi, in order to test spillage on an induced draft furnace, the BPI tech specs say to test at the base of the flue. Does this mean that spillage should be tested directly next to the draft inducer…Continue

Testing spillage in mechanical closet?

Started this discussion. Last reply by Chris Clay Sep 30, 2016. 2 Replies

What are the current protocols for testing spillage on a natural draft appliance under worst case in a mechanical closet that is too small for a person to fit in? Thanks!Continue

Ventilating Attics- Rafter Vents

Started this discussion. Last reply by David Eakin Aug 12, 2015. 5 Replies

There is a thorough literature on ventilating soffit vents correctly. In CA, many attic vents around the building perimeter are more vertical, like the image below:…Continue

 

Blake Shurtz's Page

Latest Activity

John C. Semmelhack replied to Blake Shurtz's discussion Replacement for Energy Conservatory Flow-blaster
Oct 24, 2017
Blake Shurtz posted a discussion

Replacement for Energy Conservatory Flow-blaster

It's too bad that the flow-blaster is no longer being produced or technically supported. Does anyone out there have recommendations for the next best thing? I need it for supply air flows between 40 and 200 CFM.See More
Oct 23, 2017
Blake Shurtz's discussion was featured

Testing spillage on induced draft furnace?

Hi, in order to test spillage on an induced draft furnace, the BPI tech specs say to test at the base of the flue. Does this mean that spillage should be tested directly next to the draft inducer inside the furnace? Or does this mean elsewhere?See More
Nov 21, 2016
Blake Shurtz's discussion was featured

Testing spillage in mechanical closet?

What are the current protocols for testing spillage on a natural draft appliance under worst case in a mechanical closet that is too small for a person to fit in? Thanks!See More
Oct 10, 2016
Chris Clay replied to Blake Shurtz's discussion Testing spillage on induced draft furnace?
"Monitor the pressure in the vent, if its positive in the vent for more than a minute it is most likely backdrafting. Use smoke at the hole you've drilled to take your CO measurement. When sharing a vent with a water heater check for spillage at…"
Sep 30, 2016
Chris Clay replied to Blake Shurtz's discussion Testing spillage in mechanical closet?
"You can stand outside and read pressures. Be sure to have extra hose as you need CAZ wrt outside pressure taken on the A channel, run a hose under the closet door (Input) and another hose to outside. Also you'll need vent wrt CAZ taken on the B…"
Sep 30, 2016
Chris Clay liked Blake Shurtz's discussion Testing spillage in mechanical closet?
Sep 30, 2016
Judy Rachel replied to Blake Shurtz's discussion Testing spillage on induced draft furnace?
"I hope the attached picture is clear enough for you to see.  As the caption on the picture states - There are a surprising number of potential spillage sites on an induced draft furnace.  Basically anywhere there is a connection, joint or…"
Sep 22, 2016
Judy Rachel replied to Blake Shurtz's discussion Testing spillage in mechanical closet?
"You open the closet and test the appliance with the door open.  State in your notes that worst case was reached with the appliance door closed (make sure that is the case, often the greatest depressurization is with the door to the CAZ open)"
Sep 22, 2016
Blake Shurtz posted discussions
Sep 21, 2016
Blake Shurtz's discussion was featured

Ventilating Attics- Rafter Vents

There is a thorough literature on ventilating soffit vents correctly. In CA, many attic vents around the building perimeter are more vertical, like the image below:My question is, how do we baffle these vents while still insulating over the top plate of the wall? It seems like this is very difficult or just plain…See More
Aug 17, 2015
David Eakin replied to Blake Shurtz's discussion Ventilating Attics- Rafter Vents
"It goes back to the project management axiom: Do you want good, quick, or cheap? Pick one. If you just want to provide some venting with the existing situation, get the bendable foam air channels and live with the marginal insulation at the top…"
Aug 12, 2015
John Nicholas replied to Blake Shurtz's discussion Ventilating Attics- Rafter Vents
"You should go high and low on the roof as Glen suggested.  That would be simple.  You can do turtle type vents low and high.  You can do eyebrows low.  Or you can install a simple horizontal low vent.  From the inside of the…"
Aug 7, 2015
Glen Gallo replied to Blake Shurtz's discussion Duct blaster with asbestos?
"As HERS Raters in California we cannot run tests if it is present per CEC protocols. It is a slippery slope here in the litigious Republic of California. I would error toward caution and if you suspect there is asbestos to not test, have suspected…"
Aug 7, 2015
Glen Gallo replied to Blake Shurtz's discussion Ventilating Attics- Rafter Vents
"I think a better strategy would have been high and low vents in the roof itself  and gables to comply with code and fill the cavity with loose That being said with as tight as it appears on this photo and with what you have in front of you you…"
Aug 7, 2015
Bud Poll replied to Blake Shurtz's discussion Ventilating Attics- Rafter Vents
"I assume the picture is just an illustration.  If you are building new, then a raise heel truss will provide the required space.  In CA you should also have sufficient overhang for shading, assuming you are in one of the warmer areas. If…"
Aug 7, 2015

Profile Information

Company
Advanced Home Energy
Professional Certification
BPI Building Analyst
Professional Interests
Improving my knowledge of the vast home performance industry.
Website URL
http://www.advancedhomeenergy.com
Blog URL
http://advancedhomeenergy.com/blog
Twitter ID
blakeobeans
LinkedIn Profile
blakeobeans

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At 12:28am on January 10, 2012, Diane Chojnowski said…

Hi Blake,

Welcome to Home Energy Pros! Feel free to join the conversation in the Forum and Groups. And share your energy efficiency photos, videos and upcoming events. If you're blogging about home performance, this is the place for you!


Thanks!
Diane, HEP Moderator

 
 
 

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Zero Net Energy Virtual Conference, Jan. 25 & 26, 2018 at Online Webinar via Zoom, Facebook Live, and YouTube Live

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