Venting the kitchen stove fumes from the home can go a long way for keeping your home healthy. Carbon monoxide gases can build up in newer homes that have a tight insulation seal. These fumes can pose a health hazard. Improperly tuned kitchen gas stoves may pose a risk if those fumes are not vented to the outdoors. Using a ventilation device coupled with a fresh air intake will remove these fumes.
The most common vents for a kitchen stove is the above-the-range hood. These units are generally constructed of a metal hood that is the same area in size as the stovetop. A small exhaust fan is used to suck the fumes from the area and exhaust them outdoors. A light may be placed inside the hood area to illuminate the stove. Typically the fan is protected from built-up grease and debris by a metal mesh screen. The screen should be cleaned regularly to keep up proper airflow.
Counter-Level Exhaust Fans
Another type of kitchen stove exhaust fan is one that sits at the level of the cook stove itself. In this unit, fresh air is drawn across the surface of the stovetop and pulled into an exhaust fan that sits on the opposite side. Some units are self-concealing and will rise from a hidden alcove in the cabinets once the unit is switched on. A metal mesh screen is still used as a filter element to protect the exhaust fan from any build up of grease.
Designs of the Over-Stove Hood
The hood itself can come in almost any custom design. Colors can match most décor. In many cases the design of the hood also has a large effect on the air flow from the stovetop. All of the exhaust vents, regardless of types, must have sufficient air provided to them so the fans can exhaust the fumes. A separate air inlet may have to be used that brings in fresh outside air to pass through the exhaust fan. Tight homes that have weather stripping and sealed windows will not provide enough air for the fan. In these cases, the fan cannot pull sufficient volume across the stove to remove the fumes. The air required for proper exhausting may be pulled into the home from other sources, such as dryer vent, plumbing vent pipes or down a chimney. Typically the fresh air source for the exhaust vents is placed just below or under the stove. In this instance, the air only has a short amount of travel distance. Inside heated or conditioned air is not used and thus not wasted.
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