These days, people building for extreme energy efficiency will seal the building envelope as much as possible, and then install a heat recovery ventilation system.
On Thu, Jan 20, 2022 at 2:26 PM Jan-GAMs <j.vank...@grnacres.net> wrote: > I recall reading about houses requiring so many air changes per hour > before they become unhealthy to live in. This article was written many > years/decades ago. I wonder if the standards for a healthy house has > changed? > On 1/20/22 09:54, Andy Trimmell wrote: > > My dad was just talking about walls like this and we’re in Indiana. I > don’t know where he heard it from but the guy did it about 20 years ago > here. He said he had to open the door because they were running out of > oxygen LOL > > > > *From:* AF [mailto:af-boun...@af.afmug.com <af-boun...@af.afmug.com>] *On > Behalf Of *Chuck McCown via AF > *Sent:* Thursday, January 20, 2022 12:46 PM > *To:* dmmoff...@gmail.com; 'AnimalFarm Microwave Users Group' > *Cc:* ch...@go-mtc.com > *Subject:* Re: [AFMUG] OT: Major off topic. Off grid home > > > > Double walls, so really there are three cavities. Two walls with an air > space between them. Insulation and vapor barrier on the outer and inner > wall with triple glazed windows. I read a report on these homes being > built in Canada. They didn’t need much heat. > > > > Chuck McCown > McCown Technology Corporation > 8401 N Commerce Dr > Lake Point, Utah 84074 > 801-250-9503 > 435-830-4306 cell > www.mccowntech.com > www.microtrench-blades.com > www.terabitnetworks.com > > > > *From:* dmmoff...@gmail.com > > *Sent:* Thursday, January 20, 2022 10:32 AM > > *To:* ch...@go-mtc.com ; 'AnimalFarm Microwave Users Group' > > *Subject:* RE: [AFMUG] OT: Major off topic. Off grid home > > > > I’ve wondered how long firewood wood really last if everyone was trying to > use it. Wasn’t there a firewood crisis in the 19th century before they > started using coal for everything? > > I think reliance on firewood in the apocalypse comes with an implicit > assumption that everybody else died. If they haven’t died yet then expect > competition. > > > > I don’t worry too much about water. You can’t go anywhere in the > Northeast without tripping over a stream or a spring. If the spring water > is contaminated then so is the well water and you’re screwed either way. > > > > How much is triple insulation? Does that mean R57 in the walls instead of > R19? > > > > *From:* ch...@go-mtc.com <ch...@go-mtc.com> <ch...@go-mtc.com> > *Sent:* Thursday, January 20, 2022 12:09 PM > *To:* dmmoff...@gmail.com; 'AnimalFarm Microwave Users Group' > <af@af.afmug.com> <af@af.afmug.com> > *Subject:* Re: [AFMUG] OT: Major off topic. Off grid home > > > > Triple insulated home can be heated by only the bodies inside. > > Most areas (other than where I live) there may be wood to burn. You could > always use a parabolic solar cooker for cooking. > > Solar hydronic. Solar electric. Water is the huge thing. Need to pump a > well. > > > > I think move to the tropics where you can eat off the land/sea and run > around naked all the time. That is a good solution to the end of the > world. > > > > Not much of a prepper anymore. Too old I guess. Plus I have an odd > condition where I don’t get hungry. So I could starve to death without > much suffering. > > > > > > > > *From:* dmmoff...@gmail.com > > *Sent:* Thursday, January 20, 2022 9:44 AM > > *To:* 'AnimalFarm Microwave Users Group' > > *Cc:* ch...@go-mtc.com > > *Subject:* RE: [AFMUG] OT: Major off topic. Off grid home > > > > Maybe it’s a matter of being self-reliant until your solar panels break vs > being self-reliant until your fuel runs out. Years vs months. > > > > > > *From:* AF <af-boun...@af.afmug.com> <af-boun...@af.afmug.com> *On Behalf > Of *Chuck McCown via AF > *Sent:* Thursday, January 20, 2022 10:47 AM > *To:* AnimalFarm Microwave Users Group <af@af.afmug.com> <af@af.afmug.com> > *Cc:* ch...@go-mtc.com > *Subject:* Re: [AFMUG] OT: Major off topic. Off grid home > > > > That said, the last time I checked, propane and wood pellets cost half > that of electricity for heating. And natural gas was half that again. So > natural gas vs electric heat pump for heating would probably be the same > energy cost. > > > > > > > > *From:* Chuck McCown via AF > > *Sent:* Thursday, January 20, 2022 8:40 AM > > *To:* AnimalFarm Microwave Users Group > > *Cc:* ch...@go-mtc.com > > *Subject:* Re: [AFMUG] OT: Major off topic. Off grid home > > > > 3.41 BTU per watt for resistive heating. Heat pump gives you way more > heat per watt. That is why most of the electric cars have gone to heat > pumps for the heater. The heat pump Tesla will run the heater for 36 hours > and still leave you with enough battery to get home in many cases. > > > > Chuck McCown > McCown Technology Corporation > 8401 N Commerce Dr > Lake Point, Utah 84074 > 801-250-9503 > 435-830-4306 cell > www.mccowntech.com > www.microtrench-blades.com > www.terabitnetworks.com > > > > *From:* Robert > > *Sent:* Thursday, January 20, 2022 7:11 AM > > *To:* af@af.afmug.com > > *Subject:* Re: [AFMUG] OT: Major off topic. Off grid home > > > > The $800 mini-splits I am looking at put out about 6K BTU's of heat on 400 > Watts. The home depot $300 heaters put out 5K BTU's but require 1500 > watts.. Not going to do well in the winter overnight off grid... And no > a/c in the summer... > > On 1/20/22 5:53 AM, Jan-GAMs wrote: > > $1895? For a one room ac/heater? Home Depot has something similar for > $300. Is it the decal? Hood ornament? > > On 1/19/22 05:13, Zach Underwood wrote: > > If you have not already gotten the mini splits take a look at > https://www.hotspotenergy.com/solar-air-conditioner/ > > It has direct PV inputs when sunny it would put no load on your inverter > > IT can be put in solar only mode where it will scale the cool/heat output > to match the power it is getting PV > > It can run overnight if you wish by giving in 240volt AC connection. > > > > > > On Tue, Jan 18, 2022 at 7:08 PM Robert <i...@avantwireless.com> > <i...@avantwireless.com> wrote: > > I am working on my first off grid home, and hope to do another in the > future somewhere more northerly.. This one is in the sunbelt of N. > Nevada and currently I have 4K of solar feeding a 30KW LFP battery bank > through currently a Victron charge controller and a couple midnight > solar inverters to generate a flawed 220 as well as two sides of 110. ( > the 220 will not run the well controller even though supposedly > configured for such. ) I am upgrading the inverters and controller to > a > > https://www.signaturesolar.com/products/8kw-48v-240vac-split-phase-120a-250vdc-off-grid-inverter-by-growatt > > planning on doing a couple 9K mini-splits for heating/cooling. > > I wonder if this group has some gotchas that I might learn from in > advance before I buy myself into a corner... I'm all ears.. > > thanks!! > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > > > > > -- > > Zach Underwood (RHCE,RHCSA,RHCT,UACA) > > My website <http://zachunderwood.me> > > advance-networking.com > > > > > > > ------------------------------ > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > ------------------------------ > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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