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Heating Ventilating and Air Conditioning

Heating, ventilating and air conditioning (HVAC) refers to a system used in designing automotive or indoor environmental comfort. It uses ventilation air ducts to provide cooled or heated air to an automobile or a building through outlet vents.

28,228 Questions

Does central heat run on gas?

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Central heat may run on gas, oil, propane, electric, geothermal or solar.

Can you mix r22 freon with R410a in a heat pump?

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No , they operate at different pressures and are not compatible.