paul, to random
@paul@oldfriends.live avatar

Last fall we spent just over $1000 for additional weatherization at our home, and it really has paid off.

Here is just four months of differences.

Going forward, the savings will be greater.

Also, this year was much, much colder than last year.

One thing was plexiglass removable inserts that go inside for our single pane windows that we can't afford to replace in our older home. That extra barrier paid off.

We did other minor things, too.

PREVIOUS Bl Your electricity charges are about $362 lower than this time last year. Feb1,2024 v Lastyear v Jan3, 2024 - Feb 1, 2024 Jan 4, 2023 — Feb 1, 2023 Days: 30 Days: 29
PREVIOUS BILL | L Your electricity charges are about $457 lower than this time last year. Jan3,2024 Lastyear v Dec 1, 2023 Jan 2, 2024 Dec 1,2022 - Jan 3, 2023 Days: 33 Days: 34 lectricity charges $457 lower?
PREVIOUS BILL | L Your electricity charges are about $298 lower than this time last year. Dec1,2023 w Lastyear v Oct 31,2023 - Nov 30, 2023 Oct 20, 2022 - Nov 30, 2022 Days: 31 Days: 33 ricitv charaee €798 lnwer?

paul,
@paul@oldfriends.live avatar

2/ Another month since our #weatherization and another surprise bill.

I should also note, we are more comfortable in our home after our weatherization.

It's also worth noting, this bill was for 3 additional days, so it would be $65 lower than it is now for the same time period as last year, pre-weatherization.

What are we doing with the reclaimed money? So far, over the winter, we have purchased and had installed, two new insulated storm doors, weatherstripping around doors & some caulking.

ai6yr, to Energy
@ai6yr@m.ai6yr.org avatar
ai6yr, to random
@ai6yr@m.ai6yr.org avatar

New window up top, old sliding glass door below, for thermal comparison. Top window is vinyl and has a U-Factor of 0.26; Not sure on the lower, which is aluminum but double paned. #FLIR #weatherization

ai6yr, to random
@ai6yr@m.ai6yr.org avatar

Applied caulking to leaky window here at my temporary residence. Hopefully will cure enough to withstand the next torrential pummeling in this weekend. #weatherization #rain

ai6yr, to random
@ai6yr@m.ai6yr.org avatar

Local big box hardware store was awful thin on insulation this evening... Wonder if I caused a little bit of a run on supplies 😂 #insulation #weatherization

ai6yr, to WX
@ai6yr@m.ai6yr.org avatar
ai6yr,
@ai6yr@m.ai6yr.org avatar
ai6yr, to random
@ai6yr@m.ai6yr.org avatar

Lessons in insulating for this week:

  1. Expanding closed cell foam in a can does work for mitigating insulation issues, but is very, very (very) pricey compared with alternatives (ie. blown-in insulation or correctly installing fiberglass batts). $$
  2. Expansion performs best at around 75F. Colder weather significantly inhibits its expansion properties. Don't try it in very cold weather! (waste of cans...)
  3. Not all cans of foam perform well. Shake them... a lot. 2 minutes, vigorously, at least, if not more. Do not stop pressing that button as it will self harden on itself and clog.
  4. It appears to have an R-value significantly above R-15 fiberglass.
    #insulation #weatherization
ai6yr,
@ai6yr@m.ai6yr.org avatar
  1. Only would have done the work I did with a FLIR, otherwise it would be difficult (if not impossible) to determine where to inject the foam.
  2. Better to drill two holes than one, the second hole (higher) releases air from the cavity and allows the foam to expand better. if you have a very leaky wall, not as much of a consideration.
  3. "Gorilla Foam" was a failure vs. fresh "Great Stuff", but i had a number of dud "Great Stuff" cans, too. #insulating #insulation #weatherization #foam
ai6yr, to random
@ai6yr@m.ai6yr.org avatar

Before/after OCD insulating spree with FLIR and expanding foam. First image shows a massive thermal hole (between the fish) against a hot South facing wall. Second image is the same hole filled with expanding foam (cooler than the rest of the wall). Very expensive vs. Fiberglass batts, but this room typically overheats badly in summer.

Same wall a week later after insulating with foam, purple surrounded by orange and yellow, indicating it is much cooler than surrounding wall. You can tell it is the same wall by the fish painted on it.

ai6yr, to random
@ai6yr@m.ai6yr.org avatar

It's a mystery to me why this one tiny section of wall has NO INSULATION. Will fix this with a drill and a can of expanding foam, but... why?!?!

ai6yr, to Energy
@ai6yr@m.ai6yr.org avatar

Curse of the FLIR. Turned on the heater today and ran the FLIR (infrared detector) in the attic. Now I know my AC/heat ducts leak heat (I sealed them well a few years ago, but the thin layer of insulation is not doing much! #insulation #weatherization #energy #EnergyEfficiency

ai6yr, to Energy
@ai6yr@m.ai6yr.org avatar
JosephAndriano,

@ai6yr In #Vermont you can get $100 cash back from the state for doing projects like these. Nice to offset #weatherization projects like these a bit.

https://www.efficiencyvermont.com/rebates/list/diy-weatherization

ai6yr, to hvac
@ai6yr@m.ai6yr.org avatar

Ah curse 1970's era builders for their lousy HVAC design. You can't really fix these (at least, you can't just fix the existing system). I am pretty sure part of the return air supply in my house is getting pulled in through the garage eave vent. #hvac #weatherization https://basc.pnnl.gov/resource-guides/building-cavities-not-used-supply-or-return-ducts#edit-group-description

ai6yr, to random
@ai6yr@m.ai6yr.org avatar

Hmm, I'm going to be walking around looking for air leaks for weeks and weeks, LOL. Now that I know what to look for. (training from the DOE available on how to detect air leaks... cool photo showing what leaks look like).

ai6yr, to Energy
@ai6yr@m.ai6yr.org avatar

Massive trove of information on proper insulation and energy usage for new homes and retrofit from PNNL (DOE Office of Energy Efficiency and Renewable Energy) here below. https://basc.pnnl.gov/resource-guides

ai6yr, to random
@ai6yr@m.ai6yr.org avatar
ai6yr, to diy
@ai6yr@m.ai6yr.org avatar

Cheap way to reduce drafts and energy usage in a home: insulating gaskets for your outlets. 18 to 20 cents each in bulk. Invisible once you install the wall plate. #insulation #diy #weatherization

ai6yr, to random
@ai6yr@m.ai6yr.org avatar

FLIR before/after -- same wall, on the left before I reinsulated the wall, you can see the cold temperature (triangular, red/orange). The second image is after today's insulation work and cutting a giant hole and climbing up into the space above my front patio (about $20 worth of insulation) -- dramatic difference in thermal performance. Over time, it will be worth a LOT MORE than $20 in energy usage.

ai6yr, (edited ) to random
@ai6yr@m.ai6yr.org avatar

Noticed this at the temporary housing the other day. Daylight through a door... leaking heat out, cold in. Easy fix to this. Really helpful during something like this Polar Vortex to minimize heat loss. #weatherization #insulation #enery #EnergyEfficiency

ai6yr,
@ai6yr@m.ai6yr.org avatar

In a fortuitous coincidence, I recently picked up this partial roll of foam weatherstripping, for free, from a bucket of free, random home repair bits st a garage sale. It's exactly the amount I need! #weatherization

ai6yr,
@ai6yr@m.ai6yr.org avatar

Clean the edge of the door jamb carefully, make sure it is dry, peel and stick! #weatherization #diy #insulation

ai6yr,
@ai6yr@m.ai6yr.org avatar

Voila! No more cold leaky air! #weatherization #diy

ai6yr,
@ai6yr@m.ai6yr.org avatar

You might say: hey, it's not fair you can fix this stuff, it's hard (particularly for those with not much disposable income) to do this. In Ventura County, California, it turns out -- there is a GREAT program aimed at allowing ANY household to do these upgrades. Throughout the county, libraries have a Do-It-Yourself Home Energy Savings Kit available for FREE -- WHICH INCLUDES the insulation and weather stripping, and others stuff -- https://www.tolibrary.org/services/borrower-services/diy-home-energy-kit #diy #EnergyEfficiency #energy #weatherization #kit #Ventura #VenturaCounty #ThousandOaks #ConejoValley

ai6yr, to Energy
@ai6yr@m.ai6yr.org avatar

Tenmat Recessed light covers - one solution for leaky can lights in the attic. Made of rock wool. You use expanding foam to seal these over cans, keeping air from exiting from the cans and allowing for insulation added on top.

Light can in an attic, nestled among random pieces of insulation and visible Romex wire

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