FREQUENTLY ASKED QUESTIONS

Perfect comfort is something we want you to experience long after you’ve purchased your Lennox® product. That’s why we offer a collection of resources that make it as easy as possible for you to get the answers and support you need.

How can I provide fresh air exchange?

A heat recovery ventilator (HRV) uses virtually noise-free fans that draw in fresh, cool outdoor air, while removing stale, heated indoor air. An energy recovery ventilation (ERV) performs the same function, but utilizes a rotary energy recovery wheel. In both cases, the units transfer the temperature and moisture properties from one air stream to the other, without allowing the two airflow streams to mix. Both units offer easy access for change of filters and necessary maintenance, making them not only energy efficient but also easy to use.

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