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strider3700 · 11-21-10, 05:09 PM

I finished insulating the basement wall with the rigid insulation. It took a day and then I noticed that the cold room had stabilized at a temperature over a degree cooler then before even though the outside temps were the same and inside temps were the same. My best guess is the 15 or so sqft of concrete wall right next to the cold room wall that I hadn't finished insulating yet was absorbing enough heat to bring the temp in the cold room up that 1 degree. After figuring that out I put 1.5" rigid across the entire floor in there then used the fan to bring the temperature back down to the 8.7 it had been sitting at. I'm hoping it will get much closer to the outside temperature now, stable at 4 C without needing the fan is the goal.

11-21-10, 05:09 PM	#15
strider3700 Master EcoRenovator Join Date: Dec 2008 Location: Vancouver Island BC Posts: 745 Thanks: 23 Thanked 37 Times in 30 Posts	I finished insulating the basement wall with the rigid insulation. It took a day and then I noticed that the cold room had stabilized at a temperature over a degree cooler then before even though the outside temps were the same and inside temps were the same. My best guess is the 15 or so sqft of concrete wall right next to the cold room wall that I hadn't finished insulating yet was absorbing enough heat to bring the temp in the cold room up that 1 degree. After figuring that out I put 1.5" rigid across the entire floor in there then used the fan to bring the temperature back down to the 8.7 it had been sitting at. I'm hoping it will get much closer to the outside temperature now, stable at 4 C without needing the fan is the goal.