Patent No. 17 · Filed 5 August 1988

Air Conditioning

A combined heating and cooling unit that reuses heat rejected from its own compression cycle, switching a single valve between chilled water and reclaimed heat.

Original Filing & Drawings

Air Conditioning — original document, page 1

Air Conditioning — original document, page 2

← Patent No. 16

Fan Coil Units

Patent No. 18 →

Underfloor Fan Unit