Household equipment principles

Household equipment principles

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One Freon refrigerant should not be substituted for another in a system, because some air conditioners use Freon-12. Freon-22 is sized to ... The cost of adding summer air conditioning to an existing home will cover a wider range. One factor isanbsp;...

Title:Household equipment principles
Author:Helen J. Van Zante
Publisher: - 1964


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