- Suggestions might include using a programmable thermostat, sealing windows and doors, and shading outdoor units from direct sunlight. 5. **What safety precautions should be taken during the installation of an air conditioning unit?

- Suggestions might include using a programmable thermostat, sealing windows and doors, and shading outdoor units from direct sunlight. 5. **What safety precautions should be taken during the installation of an air conditioning unit?
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