| Customization: | Available |
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| After-sales Service: | on Line Support |
| Warranty: | 1 |
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Opening a window can make your air feel less stuffy, but this isn't practical during the hotter and colder months of the year, plus it invites pollen and other allergens into your home. A Healthy HOLTOP heat energy recovery ventilator (ERV) helps keep your air fresh without creating a potentially uncomfortable situation.
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