http://www.roliv.com Jobs Salary Internship Colleges Careers Syllabus Notes Wed, 24 Mar 2010 17:09:31 +0000 en hourly 1 http://wordpress.org/?v=3.2.1 http://www.roliv.com/furnace-heat-exchanger-issues-with-low-air-temperature.html http://www.roliv.com/furnace-heat-exchanger-issues-with-low-air-temperature.html#comments Fri, 18 Dec 2009 12:52:05 +0000 admin http://www.roliv.com/furnace-heat-exchanger-issues-with-low-air-temperature.html I have heard that there is a minimum temperature at which you should have your house in the winter to protect the heat exchanger on a high-efficiency furnace. I’ve heard stories of people going on vacation and leaving their thermostat temperature set to 45 degrees or something, and it does damage to the heat exchanger. Is this true, and if so, what is the recommended minimum temperature that I should set my thermostat to ?

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