Luke Langhals
  • Athens, OH
  • United States
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Latest Activity

Luke Langhals replied to Don Fugler's discussion Depressurization/make-up air issues in the group Kitchen Ventilation
"I've seen both work with success, really it comes down to duct design/placement. It would depend on the location of the supply duct's entry point as well as duct sizing, length, type, etc. One emerging option is a passive opening (with…"
Jan 15
Luke Langhals replied to Don Fugler's discussion Depressurization/make-up air issues in the group Kitchen Ventilation
"It would be nice to prevent range hood manufacturers from recommending extremely oversized cfm rates. Often we see customers install 1000+ cfm hoods with no consideration of make-up air. I generally recommend customers use the lowest cfm rate…"
Jan 14
Luke Langhals replied to Benny Saroukhani's discussion Fresh air vent
"David, I'm not sure I can agree with the idea that an ERV operating continuously will distribute moisture from periods of showering in any quantity that would lead to an interior moisture issue. Generally, most ERV systems are pulling air from…"
Sep 6, 2018
Luke Langhals replied to Benny Saroukhani's discussion Fresh air vent
"David is absolutely correct that ERV systems independent of the furnace fan will always perform better. Best case scenario for efficient fresh air -- installing the HRV/ERV to extract independently from bathrooms and the kitchen. While…"
Aug 31, 2018
Luke Langhals replied to Benny Saroukhani's discussion Fresh air vent
"The amount of CFM pulled through that fresh air duct will be completely unconditioned. Obviously adding that amount of load to the A/C and Furnace. Let's assume it is 50-80 CFM of unconditioned air coming into the return whenever the central…"
Aug 30, 2018
Luke Langhals replied to Jerry Needham's discussion HVAC Question about running fan continuously Vs. setting on Auto so it runs when AC or Furnace runs
"If an E/HRV system is installed in unison with the furnace ducting -- you might consider making the ventilation system operate in unison with the furnace fan. Many clients choose to run both systems on a timer set to activate for 20 minutes each…"
Aug 20, 2018
Luke Langhals commented on Efficiency First California's blog post Is Health The Future of Home Performance?
"I received a call from a recent ERV installation stating that she painted a bedroom in her house. She said the house smelled terribly of paint fumes (naturally...) and she had hoped her ERV would help alleviate the issue. Upon some over-the-phone…"
Jan 8, 2018

Profile Information

Company
UltimateAir Inc
Role in Home Performance Marketplace
Manufacturer
Professional Interests
Ventilation, Energy Efficiency, Passive House, Net Zero,

Luke Langhals's Blog

Ohio's Most Efficient Rental

Posted on December 22, 2016 at 1:00pm 0 Comments

Image 1: The 100K project was designed to have a widely open concept. The home includes 2 bedrooms and 2 full bathrooms. The 850 sq ft floor area allows for an open interior feel with maximum utilization of every inch.

Ohio's Most Efficient Rental…

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At 10:06am on August 9, 2016, Diane Chojnowski said…

Hi Luke,

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

 
 
 

Forum Discussions

70 unit building rehab

Started by Jerry Needham in Multifamily. Last reply by Sean Lintow Sr yesterday. 2 Replies

Linda Wigington Leadership Award Nominations

Started by Diane Chojnowski in General Forum. Last reply by Diane Chojnowski on Friday. 1 Reply

Are Energy Efficient Windows worth the investment?

Started by Tom Smith in General Forum. Last reply by Diane Chojnowski on Wednesday. 12 Replies

Latest Activity

John White posted a blog post
5 hours ago
Dannie Jackson commented on Dannie Jackson's blog post Converting A South Facing Window Into A Solar Space Heating Panel
"No if you use solar heat gain software the angle of the sun on the floor for instance looses energy…"
yesterday
Sean Lintow Sr replied to Jerry Needham's discussion 70 unit building rehab
"He is in the Chicago market & here single pane aluminum windows are not something you would…"
yesterday
Heather Schall-Lucas is now a member of Home Energy Pros Forum
Saturday
Diane Chojnowski replied to Diane Chojnowski's discussion Linda Wigington Leadership Award Nominations
"Do you know someone doing extraordinary work to strengthen the home performance &…"
Friday
Profile IconDaikinMEA, Beth Meteney, Erik Brewer and 4 more joined Home Energy Pros Forum
Friday
John White posted photos
Friday
Jenna Bader replied to Jerry Needham's discussion 70 unit building rehab
"Where is this project located? Try getting an energy modeler to perform an analysis of the…"
Thursday

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