1. Remove the carpet. Even without taking into account some of the nasty things that go into making most carpet in the first place, they are a dust and toxin and…. trap. Wood, tile, or stone can be kept much cleaner, and don’t have the tendency to collect and hold onto everything that comes into your house. If you want to keep the floors (and your feet) a little warmer, you can use throw rugs, the mobility of them getting around the cleaning issue.
2. De-chlorinate the water. Fairly straightforward. Put filters on your taps and on your shower.
3. Insulate. With one of the newer greener variants that don’t outgas.
4. Replace your mattress. Typical foam mattresses are treated with things that are… questionable, and can assist in loading up our toxicity until you find yourself standing on the road to Chemical Sensitivities-ville. There are organic options.
5. Dump the artificials (fragrance, cleaning products, personal care, etc…). There are alternatives in each area. I’ve actually noticed a lessening of my allergic to the world issue just from dealing with the bath products and cleaning supplies, and in most cases, vinegar and water and possibly some safe dishsoap covers my cleaning needs.
6. Bake out the bad stuff. If you can’t replace some of the nastier materials in your home, there are ways to speed up the outgassing of the toxic stuff. Making sure, of course, that you and yours aren’t in the location while doing so.
7. Clear the air in your house by ventilating from time to time. Open some windows, let air circulate, and thus waft out some of the bad and refresh the air.