renRaining, I'm glad your seeing some results from the home defense, but my assumption is that it will be a short lived result. Bifenthrin, the active ingredient in home defense is not the greatest product for ants. Bifenthrin is what we use in our power sprayers for doing pest control work, and it does a great job and kills a whole lot of critters, but ants usually put up a pretty good fight against it unless you can find where they are nesting and do a drench treatment. For ants in the house I would really need to know what type of ants you are seeing and then I could tell you what products to use. Some ants, especially odorous house ants, are repelled by things such as home defense and they will simply move to another area of the house and you can chase them from room to room. Let me ask a couple questions first and then I should be able to narrow down a treatment.
1. What color are the ants? black only, black and red, or red only?
2. do they seem extra small (flea sized or close to it), medium (slightly larger, but smaller than a dry grain of rice), or extra large sized (as big or bigger than a dry grain of rice)?
3. This is kind of gross, but its incredibly important, if you smash some of the ants with a finger and then smell them do they have a foul odor? If so it may smell like rotten bananas or coconut. If no odor, that is important too.