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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 in General Forum

7 Jun 7
Reply by Bob Blanchette

Leveraging other trades to get EE

There's a really well produced online magazine called ThisIsCarpentry (http://www.thisiscarpentry.com/) that promotes the craft of trim car…

Started by Craig Savage in Weatherization

11 Jun 5
Reply by Craig Savage

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 in General Forum

32 May 28
Reply by Dennis Heidner

Specifying pressure guided air sealing

I am very interested in practical specifications for Multifamily and Commercial buildings  - larger than individual apartments. Assuming a…

Started by Frank Lee in Multifamily

0 May 28

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 in General Forum

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 in General Forum

9 May 20
Reply by David Baerg

Thermostat set points

I have a programmable thermostat that is, well, dumb. It is willing to set times and abide by those, but it doesn't take in to account the…

Started by daniel manriquez in HVAC

5 May 17
Reply by Bob Blanchette

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 in General Forum

1 May 15
Reply by Griffin Hagle

Heat loss from ducts

Hey there Home Energy Pros, How do you calculate whole home heat loss from the ducts?  To put this in context, I know how to calculate heat…

Started by George Kopf in RESNET Modeling & Rating

20 May 12
Reply by Bob Blanchette

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 in General Forum

8 May 6
Reply by Glen Gallo

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Hal Skinner added a discussion to the group The RCC Classroom (Radiant Control Coatings)
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Improved acoustics

Some RCCs claim to improve acoustics .  Here are a few examples of ours.…See More
9 hours ago
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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"Hi,There is a real problem with remote controls and LED lights. However, there is a solution in the…"
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