Heating, Air-conditioning & Refrigeration Distributors International (HARDI) is now offering a brand new 6-course HVAC curriculum on the HEAT.U online learning platform available to members. The ...
COLUMBUS, Ohio — Heating, Air-conditioning & Refrigeration Distributors International (HARDI) is now offering a new, six-course HVAC curriculum on the HEAT.U online learning platform available to ...
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