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What size range hood liner do I need?The ideal recommended width for the hood is 6” wider than the cooking equipment. The front of the hood should extend to cover the front burners of the cooking equipment. Actual liner dimensions are 17/8” less than the outside hood dimensions. For example: 36” Professional style range Hood Dimensions = 42 x 24 inches Liner dimensions = 401/8 x 221/8 inches
What is the correct mount height?The recommended mounting height places the bottom of the hood liner at 30” above the cooking equipment. It is strongly recommended that this distance is no greater than 34”. Serious loss of performance will occur if liner bottom is more than 36” from cooktop. Additional CFM will not compensate for incorrect mount height.
What is CFM?CFM (cubic feet per minute) is a measure of airflow under optimum conditions.
How many CFM do I need?The CFM required is dependent on the size of the liner (approximately 100 CFM per sq. foot of liner opening; more if venting a grill) Recommended CFM - hoods up to but not including 48” Width 600 CFM Internal Ventilator 1000 CFM Hy-Ex Remote Ventilator 800 CFM Attic (in-line)Ventilator Recommended CFM – hood width 48” and Larger 1200 CFM Internal Ventilator 1400 CFM Hy-Ex Remote Ventilator 1200 CFM Attic (in-line) Ventilator
What size ducting is required? Is it provided?Duct size required depends on the blower CFM. 600, 800 or 1000 CFM: 8” Round 1200 CFM & Larger: 10” Round Ducting is provided by installer.
Who installs the hood liner?Liner installation is typically done by a qualified contractor. Ducting installation typically done by a mechanical contractor or HVAC installer. All wiring should be performed by a licensed electrician.
Where are the switches for lights and blower? Can they be mounted in another location?Our quality liners can be used with existing blowers however, it is critical that the blower has sufficient CFM intended for the liner size being used. The fan speed control switch for the existing blower would have to be installed outside the liner.
How loud are the ventilation systems? How does this compare to other manufacturers? What options do I have to reduce system noise?We provide the quietest ventilation systems available. Most so-called quiet vent hoods fail to provide enough CFM for professional type ranges. Our system keeps noise to a minimum while providing robust performance. The best option to reduce noise is to use a remotely located blower. These blowers are mounted on the roof or outside wall and move the bulk of motor noise to outside the house. When a remote blower is not an option, an Attic (in-line) ventilator can be used. It is installed in an attic or similarly accessible space. It is critical that a duct muffler be used to reduce motor noise transmission through ducting to the hood.
How do I clean the grease filters and how often?The stainless steel filters are dishwasher safe for quick and easy cleaning. Excess grease should be wiped from filters before putting in dishwasher. Clean filters monthly.
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