Aldes VentZone Zoned IAQ with Heat Recovery Kits
VentZone® IAQ with Heat Recovery Kits combine an Aldes Heat Recovery Ventilator (HRV) with Zone Register Terminals (ZRT) for continuous IAQ exhaust and on-demand boost exhaust. Each ZRT is installed in one bathroom in the house. They control the fan so that areas are only ventilated as desired. Also known as demand-controlled ventilation, controlling the airflow on a zone-by-zone basis saves energy and reduces the load on heating and cooling systems.
How it works: Each ZRT is fitted with a self-balancing constant airflow regulator that allows controlled amounts of continuous IAQ ventilation when the damper is closed. The primary flow damper opens when called upon by any switch, timer, dehumidistat, or occupancy sensor. Once the damper is opened, the ZRT signals the HRV to boost speed and airflow from the open ZRT, making it ideal for residential bathroom ventilation.
In the heating season, the heat recovery ventilator (HRV) draws in fresh air from outside while stale, humid air is exhausted. As the fresh and stale airstreams pass though the unit’s core, the fresh air is tempered with heat recovered from the exhaust air. In the cooling season, fresh outdoor air is cooled by the air-conditioned exhaust air.
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| #1 | Q: We live in a cold climate and Im considering this Aldes VentZone IAQ with heat recovery for our bathrooms.1. Does it handle high-humidity?2. What is the efficiency of the heat exchanger? (how much warmth does it keep in the house)3. We have 3 full baths upstairs. Which unit should we get4. Is there a filter that requires periodic maintenance?5. Is it possible to trigger the exhaust with a humidistat rather than a timer?Thanks!-corey A: HRVs exhaust humidity (do not recover it) so they are perfect for exhausting unwanted humid air from bathrooms. The recovery efficiency is 70-80+% range depending on airflow setting and air temps (See spec sheet on the Links tab. Yes, there are filters to maintain. With that many bathroom, definitely the larger HRV -- you might want to call us to go over the sizing as it depends on bath size. Yes, its possible to use humidistats. See page 25 of the IOM: http://www.hvacquick.com/catalog_files/Aldes_Residential_HRV_ERV_IOM.pdf Asked on 2018-05-08 by corey |
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