22. Replace Your HVAC
This is one home improvement project that will have you feeling the difference. Not only will your home feel better thanks to the heating, ventilation and air conditioning upgrade, but it will also be more energy efficient — which can save you money in the long run. After completing this project, 77 percent of homeowners have a greater desire to be home, according to the National Association of Realtors.
Average Cost: Replacing your HVAC is estimated to cost around $7,475.