Sean Lintow Sr replied to Brad Cook's discussion HRVs and neighborhood wood smoke
"Do a pre-charcoal filter before you hit the unit if you can swing it (larger the better) & then only if needed add one directly to the unit. This trick has been used for similiar issues not including dealing with wildfires"
Jan 16
Sean Lintow Sr replied to Todd Abercrombie's discussion Retrofitting a firewall in a duplex attic and crawlspace
"Yes that is an option but remember it must be rated so you would need full specs & follow to a T
With that I like that better than drywall especially if it gets wet, good catch."
Dec 18, 2020
Sean Lintow Sr replied to Todd Abercrombie's discussion Retrofitting a firewall in a duplex attic and crawlspace
"Foam is a no - you basically have to do what you do for the attic OR as mentioned block it up. For the wall - pressure treated wood is a must & I would suggest a fiberglass encased drywall as long as it is fire rated. In the 2015 IRC you should…"
Dec 18, 2020
Sean Lintow Sr replied to Dav Camras's discussion ERV integrated with H-AC or independent
"There are a 100 ways to skin a cat... I personally like keeping them seprate & as simple as possible - supplies in bedrooms, with 1 return pulled from area far away like say a basement, living room, 2nd floor hallway (damper between upstairs &…"
Nov 20, 2020
Sean Lintow Sr commented on Building Performance Association's blog post Make polling places safer with blower doors
"Flyer is not found?"
Oct 18, 2020
Sean Lintow Sr replied to Virginia MacDonald's discussion Radiant Heat Hardwood Floors?
You know the answer is - it depends. With that & quick shot assuming you have access under the flooring is a retrofit solution using either metal tracks (which pex snaps into) or special…"
Oct 4, 2020
Sean Lintow Sr replied to Blake Reid's discussion Hot Tubs
"Sorry on the guide but yes that is accurate - don't turn the heat off or the filter. Usage betrween even the same unit can vary dramatically - where is it at (outside, inside, shady, city), do they leave it covered, temprature selected, how often is…"
Sep 23, 2020
Sean Lintow Sr shared their discussion on Facebook
Aug 26, 2020
Sean Lintow Sr updated their profile
Jul 28, 2020
Sean Lintow Sr replied to Greg O'Beirne's discussion Thermal bridging to improve energy efficiency?
"Umm never... We don't like thermal bridges & rather keep conditioned air in
As an FYI & I might start a war with this but the "color" doesn't matter too much - reflectivity of a material does"
Jul 27, 2020
Sean Lintow Sr replied to Jim Gunshinan's discussion Returning to Church
"Can we say way to much missing info... how is your system setup now, layouts, package system or???
In reality there should be no stagnation, air should be flowing everywhere especially when the place is packed. As for viruses - unless you are…"
May 26, 2020
Sean Lintow Sr replied to Scott Katznelson's discussion Insulating a scissor truss
"Just curious how you were going to encapsilate the insulation
Baffles should take care of wind washing - gravity also has to deal with the rule that an object at rest tens to stay at rest but if worried & spraying celulose they have some that can be…"
May 13, 2020
Sean Lintow Sr replied to Chris Jackson's discussion cleaning or replacing?
"Sounds like expansion / contraction is going on. Replacing - probably not but I would have a qualified HVAC guy look at them to see if things were done right & ways to minimize it / or sound transfer
As for cleaning - cleaning ducts is worthless in…"
May 13, 2020
Sean Lintow Sr replied to Brett Little's discussion If libraries had blower doors / duct blasters could virtual audits be the dream?
"More like a nightmare...

How accurate is the equipment - how was it handled by others, properly maintained & tested?
How much equipment - just one or more sets, how long is the "checkout" period
How long to teach someone to use & setup, make sure…"
May 10, 2020
Sean Lintow Sr liked Robert Bean's blog post It's published and it's free, Thermal Comfort Principles and Practical Applications for Residential Buildings
Apr 22, 2020
Sean Lintow Sr replied to Heidi McCullough's discussion ERV to mitigate negative pressure?- seeking a logic check
"Ok but if you seal up where the water heater is - where is the air needed for combustion coming from? - do you have a high low pipe in the area
Before spending a ton of money doing this & that for an old water heater - replace it with either a…"
Apr 10, 2020