| 摘要 |
Apparatus for exchanging contaminated room air with fresh outdoor air includes a housing 12 having a pair of substantially parallel intake and exhaust air passageways 16, 18 sealed from one another and providing fluid communication between the room and the outdoors. A heat recovery rotor 30 is disposed in the air passageways in an inclined orientation. An intake fan 20 and an exhaust fan 22 are driven by a motor 24 and filters 26, 28 are mounted in the housing. <IMAGE> |
