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Calculating BTU lost per cfm leaks

Hi everyone,     A couple of my colleagues were discussing the benefits of air sealing, when I was asked if I could quantify the actual va…

Started by Luis Hernandez in General Forum

23 Feb 1
Reply by Dmitri A Martin

Energy Savings that Are Hot Air!

Energy Savings that Are Hot Air! : why doesn't this surprise me? The brits are able to do the real calculations, but we aren't. This articl…

Started by Tom Delconte in General Forum

13 Jan 27
Reply by Tom Mallard

Remote temperature sensor for wired thermostat

This is a tricky one to google because "remote" is overshadowed by remote control apps for things like Nest thermostats. My problem is this…

Started by Tom S in General Forum

5 Jan 23
Reply by dale conner

Fun with Fluids

Greetings ... We live at the bottom of an Ocean of Air.Does anyone want to "play with fluids"?Here is an interesting Video about "Stack Eff…

Started by John Brooks in General Forum

2 Jan 22
Reply by Bud Poll

Calculating heat loss

Could anyone help me calculate a breakdown that shows  heat loss in BTU/hour that adds up to 100% and shows % or subtotals for the sub-cate…

Started by Luis Hernandez in General Forum

3 Jan 21
Reply by Bud Poll

Long term average

When doing a blower door test, do you ever use long term average? Why or why not? Digital pressure and flow gauges have an option for time…

Started by Kim Tanner in General Forum

2 Jan 16
Reply by Bud Poll

Peak Energy Saver

Is any one familiar with the Peak Energy Saver from www.peakenergytech.com  The unit is intended to store energy from motors used in the ho…

Started by Paul Stevens in General Forum

21 Jan 16
Reply by Bob Blanchette

Low Gas Pressure

I have been running no heat calls all day - today I have found  lots of very low gas pressure you can run the Nat Gas hot water heater or 9…

Started by Eric Kjelshus in HVAC

8 Jan 15
Reply by Tom Delconte

Any good supply distributors in Ohio?

Is anyone aware of a few decent Ohio distributor/wholesaler of energy and weatherization products? As supposed to the other “Big box boys”?…

Started by John Wes in General Forum

5 Jan 13
Reply by Bill Spohn

Insulating the "walls" of a mansard-style roof.

Hello pros. Please see the attached pictures. Any insights on how you would insulate the 2nd story walls of this house? The house is locate…

Started by Patrick Michaelyan in General Forum

20 Jan 13
Reply by Robert Haverlock

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

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