Just make sure you seal up whatever you're insulating. Mice and all kinds of rodents love insulation. If you can't seal it, don't insulate it. You won't dead mice and mice droppings all throughout your walls, ceiling, and floor.
You may already know, but it can be so serious I risked telling you again... On Tue, Jan 29, 2013 at 9:33 PM, Mitch Haley <m...@voyager.net> wrote: > Curt Raymond wrote: > >> Enough to get me really working on conservation. $3.70/gal at our last >> fillup. Diesel went to $4.04 this morning up from $3.99 yesterday. >> >> I'm working on getting our mortgage refinanced under HARP 2, if I can >> make that happen I'll finish the insulation on a faster schedule and we'll >> be looking at a ground loop heat pump sooner rather than later. >> > > Blown cellulose is practically free, as in less than a penny per R-point > per square foot. R-38 in a 1000 square foot ceiling is under $300. > Lowes rents a blower for $20 a day or free with xx bags of insulation. > Menards has better blowers with on-off switch at the end of the hose so > you can control it from the attic, I think they get $35 for the first 3 > hours. > > On the heat pump issue: > An air source heat pump with inverter driven DC compressor motor (like the > better mini splits or Carrier's Greenspeed central units) isn't that much > more expensive to run than ground source but should be a lot cheaper to > install. Ground source's main advantage is that output doesn't drop off > when the home's heat needs are greatest. > > With 70° indoor temp, my 3/4 ton Fujitsu mini split is rated at 12,000 > BTU/hr at 47° outdoor temp but only 6840 BTU/hr at 5°. 6840 btu from 710 > watts is still 2.8 BTU of heat for every BTU of electricity, not too far > off from the 4.0 rating at 47°. That little one room Fuji can tolerably > heat my 1200sq foot house when it's 30°F outside. Right now it's 56 out and > it's easily heating the house quite evenly, about 74° in the room with the > heat pump and 71° in the bedrooms at the other end. > > I'd be surprised if the coefficient of performance of a $25,000 ground > source system is over 5.0. It might take a lot of years for the difference > between a COP of 5 and a COP of 3 to 4 to pay for the ground source unit. > > Mitch. > > > ______________________________**_________ > http://www.okiebenz.com > For new and used parts go to www.okiebenz.com > To search list archives > http://www.okiebenz.com/**archive/<http://www.okiebenz.com/archive/> > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/**mailman/listinfo/mercedes_**okiebenz.com<http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com> > _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
