There are many items you can buy to make your life easier. For example, if you do a lot of yard work then you might want to invest in a tractor. Tractors will be able to increase your productivity. They can do this by providing lifting and pulling power. Another example is a car. If you need to travel long distances then you should own a car. The car will allow you to get from place to place much faster than a by bicycle or by foot. HVAC systems are another example of an item that make you life easier. They can help you heat and cool your home automatically. This means that you no longer need to feed a fire or put up with high temperatures. Tankless water heaters can also make your life a lot easier. Tankless water heaters can provide you with endless hot water when you need it. This is great for homes that use a lot of hot water. A traditional hot water tank slowly heats water. It then stores that water for use later on. This is a waste of energy and can cost you a lot of money. With a tankless water heater, the water is not kept warm in anticipation of use. The water is only heated at the time of use. This means that no energy is wasted to keep the water warm. Tankless water heaters use a high powered flame to warm a heat exchanger. The heat exchanger is what makes the water hot. Due to the burning required to heat the water, there must be a flue installed.