Luke Langhals
  • Athens, OH
  • United States
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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

 
 
 

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Kitchen Ventilation

In many homes, cooking is the largest indoor source of air pollutants. Exposures can be higher in…See More
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Robert Zockoff liked Don Fugler's discussion Depressurization/make-up air issues
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Robert Zockoff liked Don Fugler's discussion Depressurization/make-up air issues
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Volunteer for HPC19

Volunteer & Receive FREE Registration to HPC19HPC is looking for volunteers for the national…See More
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