CHI Companies supplies end users and contractors the highest quality equipment offered in the country. Our highly qualified sales team will accurately calculate your conditioning needs. Properly sized equipment will save you thousands of dollars in fuel and equipment charges over a season. Quality Equipment: CHI Companies offers a wide variety of quality equipment to heat, cool, or dry your project. Direct Fired Heaters, Indirect Fired Heaters, Water/Steam Heaters, Electric Heaters, or Ground Thaw Heaters in the winter.