Before purchasing a new ventilation system, make sure it matches or exceeds your cooktop’s requirements. Look for a quiet model that complements your cooking and design style
These hoods work well with ranges or cooktops that produce few Btus. They mount to the wall or to the bottom of a wall cabinet, through which ductwork can be routed outside.
2. Chimney Hoods
These models work where there are no cabinets. They mount with a decorative cover that hides the ductwork, offering a stylish focal point in a kitchen.
3. Island Hoods
These models are mounted to the ceiling and vented through ductwork above. An island hood should be wider than the cooktop—ideally by 3 inches on both sides.
4. Custom Inserts
A custom insert offers unlimited design choices. The guts of the ventilation are hidden in a surround, so these inserts can be hidden in cabinetry that matches the rest of your kitchen.
These ventilation fans draw out air through ductwork under the floor. Downdraft ventilation offers space efficiency and a sleek look for nonprofessional cooktops.
VENT FAN cApAcITY
Vent fan capacity is rated by how many cubic feet of air per minute (cfm) a fan removes. If you use the vent fan once or twice a day and cook on a conventional electric range, you need a fan rated at 160–200 cfm. For similar use with a conventional gas range, choose a vent fan with a capacity of 200–300 cfm. If you do lots of cooking on a professional- or semiprofessional-style gas range, you’ll need as much as 1,500 cfm.
Fan Sound Level
The sound level is measured in sones. Lower numbers designate quieter units. One sone, for example, is similar to the sound of a quiet refrigerator in a quiet room. Doubling the sone rating is the same as doubling the sound level of the appliance.
The width of the ventilation hood should never be less than the width of the cooking surface. Downdraft models should be the same width as the cooking surface; otherwise, the ventilation hood should ideally be wider than the cooking surface to help trap more smoke, grease, and odors. Before purchasing a new ventilation system, make sure it matches or exceeds your cooktop’s requirements. Look for a quiet model that complements your cooking and design style.
It’s crucial that your ventilation hood be the proper distance above your cooking surface. In general, it’s recommended that conventional hoods be installed 18–24 inches above the cooking surface and high-performance hoods 24–30 inches above. Always refer to the installation manual for both your hood and your cooktop or range for specific instructions.