Will InfraRed film show me where I need to insulate my house?

Question

I was just wondering if you could take InfraRed film and find the problem spots of insulation in a house. I have an older film camera that the manual says you can use IR film in. I am willing to try it, but figured that I would ask here first.

The pictures would not need to be too terribly clear as long as it showed where the heat was going.

Thanks fhotoace

Thanks Edwin. I wouldn't have a problem with the changing bag. I am pretty familiar with my camera.

Thanks Ben

Answer 1

In the photography sense, IR refers to light just beyond the visible spectrum.

If you have a stove burner, for example, which is just barely short of becoming incandescent(glowing red), it will register on IR film. Anything much cooler than that, though, has too long of a wavelength to register on IR film.

In order to accurately image your house for heat leakage, you need a special type of dry ice cooled CCD, and special optical materials since normal optical glass is opaque in the thermal imaging range. In fact, in the lab, we commonly used polished pieces of highly pure sodium chloride(table salt) when acquiring the infrared spectrum of something.

Answer 2

According to mat.uc.pt/~rps/photos/FAQ_IR.html the answer is "NO". For that you'll need a color thermal imaging camera and very deep pockets. Contact your utility company and ask their advice.

Even if the answer had been "Yes" you'd still be faced with finding color infrared film and someone to develop it. Infrared film must be loaded and unloaded in complete darkness so you'd need a changing bag.

Answer 3

You might try a non-contact IR thermometer from a hardware store. You'd have to take readings at a "grid" of locations on all the walls... probably easier to pay a professional, now that I think of it.

Answer 4

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