What could be causing the rubbery smell in my house and how can I get rid of it?

The rubbery smell in your house could be caused by various factors such as old rubber materials, mold growth, or a gas leak. To get rid of the smell, you can try cleaning and airing out the affected areas, using odor absorbers like baking soda or activated charcoal, or contacting a professional to identify and address the source of the smell.