Keeping your home warm should not be something that you have to fight for. It is reasonable to want both high energy efficiency from your heater and powerful effectiveness. But sometimes it is hard to get both of these the way that you want them.
Thankfully, there is a solution. Investing in a dual fuel system is going to allow you to get optimal efficiency and optimal heating power. That means no matter how cold it gets outside you were always going to get warm air without having to pay an excessively high bill.