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Insight Thermos

3259 Views 11 Replies 6 Participants Last post by  Dougie
Had a flash of insight :wink: just now as I got into my frigid Insight for the test drive.
Everytime we get home from our commute, the car is warm. the block, coolant, transmission, gas?, batteries, are all good and hot. By next morning it is all cold again. (except for the people that heat their garages)
What if we saved that heat overnight by building a super insulated foil faced foam garage for the insight, so the heat is retained, the other end of you commute is still a problem, but this takes care of the overnight.
I have made solar heat storage drums that are insulated with a 2" wall version of this box, and it works quite well. The construction plan below would allow 4" of insulation on all sides, with 2" on the floor. Thats some serious insulation, it should retain much of the heat in the car, and could be suplimented with a small electric RV heater.

1. Start by making two wood ramps wide enough for the front and back wheels of the insight with maybe 6"extra width wide planks of 2X12's or whatever to make up the necessary width. The thermal pod will be 8 feet wide and just long enough to fit the car, or the full 16' for more room.

2" thick foil faced hard foam insulation is our building material. For extra insulation and strength, make it two layers thick or 4" total, bridging the seams for rigidity.
Stand up one sheet, and attach it to the roof, then to another wall. 4 feet wide, 8 ' tall, and 8 ' wide. The joints are taped with foil tape. A big U, Tape two 4X8 panels to the outside of the U, to form a box.
Make 3 more of these three panel U and attach them to thelbuilding. to make a rectangular insulated box. 8X16 X 8 tall. Room to sparefor the Insight
Have the open end of the box held on with bungy cords.
The car is in a thermal storage unit. I would estimate it would be >70 in the box by morning, even on a real cold night.

Conserve that thermal energy :wink:
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I don't think the effort involved with what you are describing is worth any gains you may receive. You would be better off with the honda engine block heater pluged into a timer that turns on for say 1/2 an hour before you leave the house.

However, if you insisted on the heated garage idea, I'd just build a hoop-house and park the car in there. These cheap greenhouses can get well over 80 degrees in hard winter climes, and parking the car in an actively warm environment would reap greater rewards, I think.

Look at the picture 3/4 of the way down this page:

Just pull away the plastic, drive in, and close it up behind you. You can make these super-cheap.
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