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Have a cold room in your house? Add an 84% efficient Rinnai space heater to heat the space.



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Tamarack HV1000 & HV1600 - Whole House Sizing

HV Whole House Sizing Chart


Standard 1 or 2 Story Home with summertime temperatures no
warmer than 85 degrees F. summertime peak.


Up to 2,500 square feet Qty 1:  HV1000
2,500 to 3,000 square feet Qty 1:  HV1600
3,000 to 4,000 square feet Qty 2:  HV1000 or
Qty 2:  HV1600
4,000 to 5,000 square feet Qty 3:  HV1000 or
Qty 2:  HV1600


Standard 1 or 2 Story Home with summertime temperatures no
warmer than 95 degrees F. summertime peak.


Up to 1,500 square feet Qty 1:  HV1000
1,500 to 2,500 square feet Qty 1:  HV1600
2,500 to 4,000 square feet Qty 2:  HV1000 or
Qty 2:  HV1600
4,000 to 5,000 square feet Qty 3:  HV1600


Homes with Multiple Separate Attics

Qty 1:  HV1000 or HV1600 in each attic


Note: There are many factors that can determine which fan size is right for your house. If you have any questions - please contact us


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