Open up the windows and doors
The first thing you should do in order to make your house smell good is allow fresh air to come inside. For that purpose, open all of the windows and doors in the house and repeat this process on a regular basis. Although this step is a must under all weather conditions, you should perform it more than once, when there is humidity in the air.
Spray water and vinegar mixture
Add water and white distilled vinegar in a spray bottle and allow the mixture to settle in nicely. You should keep the quantity half water and half vinegar in order to get the best result. Spray the mixture inside your house to neutralize the odors.
Use carpet deodorizer powder
Sprinkle some carpet deodorizer powder on all of the carpets inside your house. After doing so, brush it lightly with a broom and let it remain in the carpets for 15-20 minutes.
Vacuum the carpets
Vacuum cleaning also helps in getting rid of the odors inside the house. However, make sure to clean the vacuum cleaning bag properly in order to get the best results.
Use room deodorizers
Spray room deodorizers in all of your rooms in order to get a fresh and good smell. Look for the products with odor neutralizing components.
Make a potpourri pot
You can make a potpourri pot in order to spread fragrance inside your house. Add a teaspoon of vanilla, activated charcoal or odor sponges to a bowl of water and set on low temperature.