Healthy Indoors (IAQ)

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Healthy Indoors (IAQ)

The Healthy Indoors group is focused on indoor air quality (IAQ), mold, moisture control, radon, lead, air duct cleaning & HVAC hygiene, and building performance/ building science-related topics that affect the healthiness of our indoor environments, like air leakage.

Website: https://healthyindoors.com
Members: 51
Latest Activity: Aug 21

Discussion Forum

A Collaborative Pilot to Improve Quality of Life for Asthma and COPD Patients

Started by Bob Krell Apr 8. 0 Replies

Judy Olsen, Environmental Health Supervisor, Tacoma-Pierce County Health…Continue

Tags: Evaluator, Homes, Healthy, BPI, HHE

Join our group discussions on indoor environments

Started by Bob Krell. Last reply by Steven Grevelis Apr 4. 8 Replies

Join this new group that will focus on indoor environmental/IAQ issues as they pertain to building performance and resilience!Continue

Carbon Monoxide: Avoiding the Silent Killer - FREE Live Video Webinar on April 16th

Started by Bob Krell Apr 14, 2018. 0 Replies

Join us for a Live Video Webinar featuring Bill Spohn, President & CEO of Tru Tech…Continue

Tags: Spohn, Bob, Krell, Bill, IAQ

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Comment by Dennis Heidner on April 7, 2019 at 12:46am

Comment for Rob concerning window AC units.  

Outside air and inside air don't mix in most of the window units.   If you look at the window unit and the filter that they use on it... It's like a MERV 0 or maybe -1.... just a screen to keep the bugs out.   But you could change to a filter - if you significantly increase the surface area.   If you have a  differential air (Dwyer) you could possibly create a setup that allows you to measure the air pressure across the current setup... and figure out how much large a  higher MERV filter might require to keep the static pressure drop the same.

Comment by Rob on June 20, 2018 at 12:56pm

Hello,

Has anyone tried custom filtering of window AC units? Specifically concerned with restricting flow and overburdening the unit's motor. Wondering what MERV filter is 'safe' here. Tips welcomed, thanks.

-Rob

 

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Brett Little posted an event
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All-Day LEED for Homes Workshop (Online & In-Person Options) at Grand Rapids, MI, United States

December 10, 2019 from 8:30am to 5pm
Lunch & light breakfast + coffee providedLEED certification is the most well-known green rating…See More
12 hours ago
Anna Stern posted a blog post

Sustainability & Green Building Scholarship for the 2020 International Builders' Show

Scholarship Opportunity: Do you know a young building professional or current student interested in…See More
14 hours ago
Larry Weingarten's 2 blog posts were featured
16 hours ago
Brett Little posted a video

Making the Value of Energy Efficiency Visible in Real Estate - CEUs - part1of2

Making the Value of Energy Efficiency Visible in Real Estate - CEUs - part1of2 When homeowners make improvements to their homes, the most important aspects of home performance —safety, comfort, energy efficiency, durability, and environmental impact…
18 hours ago
Diane Chojnowski posted a discussion
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Debra Little liked Larry Weingarten's blog post Hot Water Heaven
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Larry Weingarten commented on Larry Weingarten's blog post Hot Water Heaven
"Hi Daniel, My most basic approach to servicing tank type heaters is to check and replace the anode…"
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Daniel Cullen commented on Larry Weingarten's blog post Hot Water Heaven
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Steve Schmidt commented on Larry Weingarten's blog post Hot Water Heaven
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Larry Weingarten commented on Larry Weingarten's blog post Hot Water Heaven
"Hi Steve, Good point.  This article was originally written over twenty years ago when gas was…"
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