Usually, wood stove inserts cost anywhere between $100 to $2000. The best wood stove inserts aren’t necessarily expensive. You have to focus on the quality of the product as well as the features it has. Many brands have cheaper versions of high-end wood stove inserts.
The high-end ones usually cost at least $4000. If you have the budget for high-end inserts, go ahead and purchase it. These have a long-lasting life and are very robust. However, if you get something expensive, make sure you get a warranty with it. Some manufacturers offer up to a 10-year warranty plan. Consequently, ensure that you’ve compared warranty plans before deciding on the best one.