Sentences with phrase «unvented heating appliances»
The American Lung Association opposes the use of unvented heating appliances and stoves in homes and businesses because of the dangers to human health indoors.
http://www.lung.org/ Not exact matches
However, it can also be affected by indoor pollution sources such as tobacco smoking and unvented cooking or heating appliances using gas.
What's lacking in the efficiency rating for the unvented gas appliance is the latent heat of the water vapor.