You can check out The District (a huge shopping center in Tustin next to the old Tustin Marine Corps Air Station).

Condensation on the inside pane of a window means the inside surface of the window has fallen below the dew point of the air inside.

I'm NOT a fan of them for 2 reasons: cost of operation, and more importantly for me, a gas furnace puts out hotter air than an electric unit does.

Thanks Jeff...I thought I was feeling a little warm air coming from the east.

There are 2 companies in the nation that will test the air in the walls, and that is a guaranteed way-backed by adaquate insurance for bad results.

A sledge or dead blow hammer will be sufficient for the minimal amount of breaking up concrete that needs to be done.Sewer lateral notes:Prep:With plastic sheeting and some scrap luan, I used an air nailer to nail the luan to secure the plastic to the joists (not necessary unless basement is finished or there's a lot of stuff in the basement).

OCWEN actually put in a forced-air system which was awesome plus did a bunch of other repairs--much more than $2k worth of work.

Hot air goes out the top and cold air comes in the bottom.

Chimneys are worse wasters as they flue hot air out 24/7/365.

cant get old style to pass that much.If soffets cant be opened for air intake there is a special vent you can shingle into roofI have seen roofers do a real hack job on new roofs, careful who you hire.