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HVAC (Heating, Ventilation, and Air Conditioning)

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19. Changing the filter in a furnace or an air conditioner would be considereda. a repair b. a preventive maintenance measure c.
1. 3 answers
2. asked by y912f
3. 894 views
which statement best analyzes how air conditioning helps with porches.
1. 1 answer
2. asked anonymously
3. 13 views