What To Know
- They operate by drawing air through a filter and expelling it either inside the home or outside through an exhaust duct.
- However, external venting requires the installation of an exhaust duct that connects the hood to the outside of the building.
- Can I vent an under cabinet range hood through a wall.
Under cabinet range hoods are an essential kitchen appliance for effectively removing cooking fumes, smoke, and unpleasant odors. As homeowners prioritize indoor air quality, a common question arises: “Do under cabinet range hoods vent outside?” This blog post will delve into the intricacies of under cabinet range hoods and provide a comprehensive answer to this question.
Understanding Under Cabinet Range Hoods
Under cabinet range hoods are installed beneath the kitchen cabinetry, directly above the cooktop. They operate by drawing air through a filter and expelling it either inside the home or outside through an exhaust duct.
Venting Options for Under Cabinet Range Hoods
Under cabinet range hoods offer two primary venting options:
1. Internal Venting (Recirculation)
Internal venting recirculates the air within the kitchen. The hood draws air through a filter, removes pollutants, and releases the purified air back into the room. This option is suitable for small kitchens or apartments where external venting is not feasible.
2. External Venting
External venting expels cooking fumes, smoke, and odors directly outside the home through an exhaust duct. This option provides superior air quality by removing pollutants from the kitchen environment.
Do Under Cabinet Range Hoods Vent Outside?
Yes, under cabinet range hoods can vent outside. However, external venting requires the installation of an exhaust duct that connects the hood to the outside of the building. This duct must be properly sealed to prevent air leaks and ensure efficient ventilation.
Benefits of External Venting
External venting offers several benefits over internal venting:
- Improved air quality: Removes pollutants from the kitchen, reducing odors, smoke, and grease.
- Healthier environment: Eliminates potentially harmful pollutants, such as carbon monoxide and nitrogen dioxide.
- Increased efficiency: External venting allows for higher airflow and more effective removal of cooking fumes.
- Extended range hood life: External venting reduces the accumulation of grease and debris inside the hood, prolonging its lifespan.
Considerations for External Venting
External venting requires careful planning and installation:
- Ductwork: The exhaust duct must be properly sized and installed to ensure sufficient airflow.
- Location: The hood must be positioned near an exterior wall where the exhaust duct can be routed.
- Cost: External venting typically involves additional costs for ductwork and installation.
Installation Tips for External Venting
To ensure optimal performance of an under cabinet range hood with external venting, follow these tips:
- Use a duct that is the same diameter as the hood’s exhaust outlet.
- Keep the duct as short and straight as possible to minimize airflow resistance.
- Seal all duct connections with duct tape or mastic sealant.
- Install a backdraft damper to prevent air from flowing back into the kitchen.
Final Note: Unveiling the Truth
Under cabinet range hoods can vent outside, providing superior air quality and a healthier kitchen environment. External venting requires careful planning and installation but offers significant benefits over internal venting. By understanding the venting options and following proper installation guidelines, homeowners can ensure that their under cabinet range hood effectively removes cooking fumes and odors from their kitchens.
Common Questions and Answers
1. What is the recommended airflow for an under cabinet range hood?
The minimum recommended airflow is 100 cubic feet per minute (CFM) per 10,000 BTUs of cooking power.
2. How often should I clean the filters in my under cabinet range hood?
Clean the filters every 1-2 months to maintain optimal performance.
3. Can I vent an under cabinet range hood through a wall?
Yes, as long as the wall is an exterior wall and the duct is properly installed and sealed.
4. What type of ductwork is best for external venting?
Rigid metal ductwork, such as galvanized steel or aluminum, is recommended for its durability and airtightness.
5. Is it necessary to install a backdraft damper on the exhaust duct?
Yes, a backdraft damper prevents air from flowing back into the kitchen when the hood is not in use.
