Intertherm Heating & Cooling

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Intertherm is a brand of Nordyne Global HVAC, originally known as the International Oil Heating Company when it was founded back in 1919. They are an important player in the world HVAC market. Under the Intertherm brand, they sell split systems, electric furnaces, gas furnaces, oil furnaces, and packaged systems specifically designed for manufactured home heating and cooling. Which they believe gives them a leg up on generic competition.