Weatherizing your home with caulking, weather stripping, storm windows and even draft guards in front of doors can mean big savings.
Don't forget about weatherizing your window air conditioner units.
Your local home improvement store can give you the best suggestions for the type of weatherizing needed for your area.
If you do basic cleanup and weatherizing, your greenhouse will easily stay in top shape.
In some states utility companies will send a representative to your home to offer insulating and weatherizing tips to help reduce energy bills.