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DOE feedback on rooftop units

Our energy efficient coating has been applied to rooftop AC units for around 30 years.  I see those units by the hundreds everywhere as I a…

Started by Hal Skinner

0 Jun 11

What would be your preference?

Suppose a customer calls you about a split heat pump system which is leaking condensate from a hole in the evaporator pan during the summer…

Started by Tom Delconte

7 Jun 7
Reply by Bob Blanchette

Tankless Water Heaters... has their time finally come?

For decades tankless water heaters haven't been worth the effort to install due to our artificially low cost of natural gas in the USA and…

Started by Bob Blanchette

32 May 28
Reply by Dennis Heidner

Affordability & Deep Energy Upgrade/Passive House Retrofit in Berkeley, California.

We have a small 1940s single level house (1005sqf) in Berkeley, California that is in need of a deep energy upgrade. Our plans include maki…

Started by Kaushal Bharath Raju

85 May 22
Reply by Kaushal Bharath Raju

When is it too windy to use blower door?

It has been a windy week out here in Phoenix, AZ this past week. I have a few tricks that I have used that works only sometimes. I use an e…

Started by Brandon Walton

9 May 20
Reply by David Baerg

Bathroom exhaust fan shuts down two airports

Anyone else notice that two Chicago airports were shut down yesterday? Anyone else read why? I might be new to the industry and still learn…

Started by Kim Tanner

1 May 15
Reply by Griffin Hagle

Square Recessed Lights

Can anyone recommend a low cost method for dealing with square recessed lights?   We find them often in soffits above kitchen sinks on eave…

Started by Dmitri A Martin

8 May 6
Reply by Glen Gallo

Air & Vapor Barrier for a House in Berkeley, California

I am wondering if building experts have an opinion in the correct ordering of vapor and air barrier for a small 1 story house in Berkeley C…

Started by Kaushal Bharath Raju

1 May 3
Reply by Glen Gallo

Proctoring position: The School for Energy Efficiency. Waterbury CT

www.tsfee.com Hi All, TSFEE is looking to bring on a BPI proctor to help expand our testing schedule. Please email Mark Schappert Mscha…

Started by Mark

0 May 2

Follow the action at ACI National Home Performance Conference

A great way to follow the action at the ACI National Home Performance Conference this week is to follow hashtag #aci14 on Twitter. Here's a…

Started by Diane Chojnowski

3 May 1
Reply by Diane Chojnowski

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Patrick Carter replied to Patrick Carter's discussion Minneapolis Blower Door & Test Equipment for Sale! in the group Energy Auditing Equipment for Sale, Trade or to Purchase
"As of yesterday 09/19/2014, the equipment has been sold..."
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Hal Skinner replied to Hal Skinner's discussion An example of what an RCC can do with no R- insulation in the walls.
"Mornin Brett. 90 to 85, yes a slight variance there.  Same ASTM test, different scientists,…"
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Bret Curry replied to Hal Skinner's discussion An example of what an RCC can do with no R- insulation in the walls.
"Great information Hal. It appears the thermal emissivity in your test was .85 rather than .90. Are…"
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Hal Skinner replied to Hal Skinner's discussion An example of what an RCC can do with no R- insulation in the walls.
"Bret,  here are the 2 reports I referred…"
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