Also, polyiso foam board performs worse than advertised when temperatures get below 50 degrees and there have been concerns about shrinkage and gradually loss of R-value of foamboard as it off gasses.  

So, I learned something new today, see below:PVC Schedule 30 Thin Wall Pipe is for non-pressure systems where temperatures will not exceed 140° F.

@Sam Leon We are not quite there yet, but can set the lighting levels and {potentially} bath water temperature based on the tenants id tag.

My house has a few of these and they seem to  be related to the temperature change inside/outside the house.

I believe building code states that you need to provide heat to keep temperatures 68 degrees 3 ft from the floor.

The fine textured leaves of the Raywood Ash tree are dark green in the summer, turning a purplish red before dropping during years with cooler temperatures.

Lots of factors go into  that, such as what your local electric rates are vs gas rates, but as a general rule of thumb, you're better off sticking away from them north of that line.Here is a link from the department of energy that shows the correct temperature that heat pumps become inefficient.http://energy.gov/energysaver/articles/air-source-...I can tell that even here in ky my largest bills by far come from a duplex with heat pumps.

The Weld County sale here in Colorado is coming up soon and the rest of the counties will follow suit very soon.

Now, I can do a lot of things with the space, however, as it is dry, has a loading dock, is at least temperature controlled (might be climate controlled as the building has been used for document storage for a decade), and has a dry fire suppression system installed and working.

Either do what Shanequa said, or just seal (i.e. weld) the door shut (if that's an option with your stove) so that it can't be used.