Stove without range hood (IMAGE) Stanford University Caption Colin Finnegan of the Stanford Doerr School of Sustainability checks a simmering pot on a gas stove that does not have a range hood. Using a range hood that vents air to the outdoors can dramatically influence how much nitrogen dioxide fills the air in a home. Credit Colin Finnegan of the Stanford Doerr School of Sustainability checks a simmering pot on a gas stove that does not have a range hood. Using a range hood that vents air to the outdoors can dramatically influence how much nitrogen dioxide fills the air in a home. Usage Restrictions Credit required License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.