Walter Ahlgrim
  • Male
  • Saint Louis, MO
  • United States
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Latest Activity

Walter Ahlgrim replied to Jan Green's discussion Mini split installation location
"Being a Flip you must consider the install cost. At least get a bid for a PTAC unit like the ones found in most hotel rooms. With either choice I would put it on the long wall so it is closer to the center of the room. If the unit is mostly for…"
Sep 24
Walter Ahlgrim replied to Beverly Lerch's discussion Mini split air conditioners and ceiling fans
"This is one of thouse topic where you ask 10 people and get 12 different opinions. I will give you 5. :) There is no clearly right answer. Some if this depends on who you are where your house is and what type of house it is. In my opinion if you…"
Sep 17
Walter Ahlgrim replied to scottscontracting's discussion Is my HVAC Guy correct? 2 systems instead of 1 system with dampers
"It seems the question was asked in Nov of 2013 maybe the OP will reply and tell us how the system has worked for the last 4.5 years.  Walta"
Aug 31
Walter Ahlgrim replied to Paul Raymer's discussion Stud cavity air returns
"Last year we build a new home the HVAC seemed to work perfectly after a full season of both heating and cooling I happened to notice the contractor had forgotten to pan one end of a floor joist bay being used an the main return duct. I tested the…"
Aug 31
Walter Ahlgrim replied to Pamela Brown's discussion Condensation on an interior wall of a detached garage.
"Do not be fooled it is very common problem for cast iron wood working equipment to sweat and rust if keep in  a unheated garages when the weather changes quickly from cold to warm and damp. Now wet drywall is very strange. To me drywall does…"
Mar 17
Walter Ahlgrim commented on Efficiency First California's blog post Get Fire Out Of Our Buildings
" “From an efficiency standpoint electricity is a clear winner.” Baloney not when you count the losses at the power plants most plants are 45% efficient and you lose another 7% in distribution and transmion.  The very best solar…"
Mar 10
Walter Ahlgrim commented on Efficiency First California's blog post Get Fire Out Of Our Buildings
"Let’s be honest Electric is not an energy source! There are no electric mines, wells or fields. What electric is a convenient way to move other forms of energy and use it in our homes. Electric maybe very efficient from the meter on the side…"
Mar 8

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Walts Repairs

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At 4:26pm on June 29, 2014, Diane Chojnowski said…

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!

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Forum Discussions

Blower door test for small apartment building

Started by Jerry Needham in General Forum. Last reply by John White on Friday. 9 Replies

ENERGY STAR Version 3

Started by Allison A. Bailes III in General Forum. Last reply by Franco Oyuela on Thursday. 9 Replies

Radiant Barrier Southeast

Started by Gary Wright in Best Practices. Last reply by yassin chahdi on Thursday. 6 Replies

Latest Activity

Brett Little posted a discussion

How to become a Certified GreenHome Professional - Free Webinar!

The Certified GreenHome Professional (CGHP) training is a way to learn about the basics of…See More
20 hours ago
Corbett Lunsford's video was featured

Testing Air Quality with Your Nose: Control Your HOMEChem

Charlie Weschler sits down with Grace and Corbett and gives fascinating examples of the complexity of indoor air chemistry. He is an air quality legend, a professor on three continents, and a super nice guy.
Friday
Profile Iconwallace van, Tony kroos and Sunmar Construction, Inc joined Home Energy Pros Forum
Friday
John White replied to Jerry Needham's discussion Blower door test for small apartment building
"Well, I think it completely depends on the purpose and requirement of the test. Testing one unit in…"
Friday
John Nicholas replied to Jerry Needham's discussion Blower door test for small apartment building
"I can use my Duct Blaster on any house that I expect to be less than 1300 CFM through the…"
Friday
Sean Lintow Sr replied to Jerry Needham's discussion Blower door test for small apartment building
"FYI, he is in Illinois where code is 5 (well up until March as noted when it drops to 4)  Heh…"
Friday
John Nicholas replied to Jerry Needham's discussion Blower door test for small apartment building
"Here are two pictures of the duct blaster fan as a blower door.  1 in a door and 1 in a…"
Thursday
John Nicholas replied to Jerry Needham's discussion Blower door test for small apartment building
"What standard are you testing to? Energy Star requires 5 ACH @ 50.   Code is 3.0 etc…"
Thursday
John Nicholas replied to Jerry Needham's discussion Blower door test for small apartment building
"What standard are you testing to? Energy Star requires 5 ACH @ 50.   Code is 3.0 etc…"
Thursday
Franco Oyuela replied to Allison A. Bailes III's discussion ENERGY STAR Version 3
"The ENERGY STARnew homes program has been around since the mid-1990s and is currently undergoing…"
Thursday
Blake Reid commented on Blake Reid's blog post Managing Mold & Humidity (in Hawaii)
"Thank you very much! They're actually the same, though - the one with the dehu cover photo has…"
Thursday
John Proctor commented on Blake Reid's blog post Managing Mold & Humidity (in Hawaii)
"Nice post -- much better than the one that only showed the dehumidifier."
Thursday
Brett Little updated an event
Thumbnail

Full Circle Urban Forestry: Introducing Urban Wood Opportunities - Free CE Webinar at Webinar Online

December 5, 2018 from 12pm to 1:15pm
Many common urban tree removal practices in the United States view felled urban trees as costly…See More
Thursday
Brett Little replied to Brett Little's discussion Virtual CEU Tour of the Pembroke Passive Solar Zero Energy Ready Home
"You know utilities are pretty complex, especially in IL, however it looks like just about 6.8 cents…"
Thursday
yassin chahdi replied to Gary Wright's discussion Radiant Barrier Southeast
"It’s hard to choose on of these as most of the time the reviews and buying guides found on…"
Thursday
Bruce Fillmore replied to Mark Furst's discussion Bath fan weirdness
"In my opinion venting into any soffit is a bad idea, it usually requires a sharp bend to get into…"
Thursday
Tray Biasiolli replied to Mark Furst's discussion Bath fan weirdness
"I'd agree with Sean - we get wind effects regularly when measuring ventilation fan intake at…"
Thursday
Charles Buell replied to Mark Furst's discussion Bath fan weirdness
"You would have to test the vent at the inside at a location the same diameter as the outside…"
Thursday
Blake Reid's blog post was featured

Managing Mold & Humidity (in Hawaii)

A blower door measures how tight a house isAir sealing done as part of the install, and after…See More
Thursday
John White replied to Cameron Home Insulation's discussion Why is Air Sealing Important?
"Most attics have insulation which helps reduce heat loss. But it won't stop the air flow.…"
Wednesday

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