Close-up of metal fins and copper pipes in an air conditioner or refrigerator heat exchanger, highlighting details HVAC technician training covers, such as the texture and precise arrangement of the coils and fins.
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191 Hydronics I

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Large industrial HVAC rooftop units with metal casing and cooling fans are installed on a gravel-covered building roof—an ideal setup for HVAC technician training or NATE certification prep under a clear sky, surrounded by concrete blocks and pipes.
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202 High Efficiency HVAC – Central Chillers

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Large industrial cooling towers with five circular exhaust vents on a rooftop, surrounded by pipes and railings, set against an urban background with trees and buildings. Sunlight streams in—ideal for HVAC technician training or EPA 608 certification course visuals.
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203 High Efficiency HVAC – Cooling Towers

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Large industrial HVAC system with metal ducts and an exposed blue fan unit on a rooftop. Modern buildings are visible in the background under a clear sky, ideal for hands-on HVAC technician training or EPA 608 certification course demonstrations.
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204 High Efficiency HVAC – Air Handlers and Roof Top Units

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