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I was curious if earth tubes are enough to cool a home in the summer?? I know it will not provide enough heat in the winter, but will help some. My ground temps here in ontario are 8 degrees C, summer air temps regulary go 25-35 degree C. If I run the proper length system, will it bring the house temps down significantly?? I like the closed loop system best, would seem more effiecent. Thanks for any info.
