Plusaire

Plusaire Sizing Guide

House ventilation is a vital element of maintaining a healthy indoor environment. There are five sizes of Plusaire designed to optimize the air quality in your home.  To correctly size the model for your home we haves devised a sizing chart that takes into consideration the typical appliances in a home. Scan the list and note the value of each of the appliances you have. If you have more than one particular appliance increase the value accordingly. Add all the values together to determine what size of Plusaire will work for your home.

Furnace  (less than 80,00 btu input)……………………… 36

Furnace (greater than 80,000 btu input)…………………. 48

Gas or oil fired water heater………………………………. 16

Wood burning fireplace (masonry)……………………….. 48

Wood burning fireplace (masonry with glass doors)……. 24

Wood burning fireplace (zero clearance)………………… 12

Wood stove or insert……………………………………….. 28

Any gas fired appliance vented into a chimney………….. 12

Any gas fired appliance Direct vent………………………..  0

Cooking range (gas or electric)……………………………. 18

Cooking range hood fan……………………………………  24

Indoor BBQ fan……………………………………………..  48

Bathroom fan (each)……………………………………….. 12

Clothes dryer………………………………………………… 60

Central Vacuum……………………………………………… 24

Pot lights ventilated into the attic (each)_________ X 14 =________

For each cigarette smoked per 24 hours (each)______ X 12 =________

For each person living in the house add 20 _____________

If the house is between 2000 & 3000 sq.ft add  60

If over 3000 Add 50 per 1000sq.ft. ____________

                                     SUB TOTAL ___________

Heat recovery ventilator Less 155 _____________

                                GRAND TOTAL ___________

  • If your total is below 180 you will need size BME-1
  • 181 to 240 you will need size BME-2
  • 241 to 300 you will need size BME-3
  • 301 to 365 you will need size BME-4
  • 366 to 426 you will need size BME-5

For homes or commercial structures that fall outside of the table, consult the factory.

Plusaire® House Ventilation Systems Give Fresh Air For Life!

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