One of the cheapest, most environmentally friendly, and efficient ways to heat water is to use solar water heating. A new advance in the HVAC community is solar energy for heating homes. Even in the winter, the sun still bathes the earth with an incredible amount of free energy. The main limitation for solar heating is the climate. In cloudy areas like London, solar heating my not be the best choice. However HVAC in Denver is a great place for home solar energy because of the nearly year round appearance of the sun.
Solar heating is divided into active and passive systems. Passive systems use architecture and smart building design to allow the sun to heat a building. This is not the place for Denver heating companies because passive heating does not use any mechanical equipment.
Active heating collects either heat or solar energy in the form of electricity to heat a house. Then pumps or a HVAC system pushes the heat around the house from the stored heat source. A simple device that can heat a whole house is the non-concentrating flat plate collector. These collectors use a simple plate of some sort of heat-conductive material like metal to absorb solar heat which is then pumped through the house. If your furnace is broken, instead of calling your Denver furnace repair company, consider installing a flat panel solar heat collector. These devices are actually cheap and simple. Not only will you be saving the environment through reduced energy use, but the Denver heating devices pay for themselves after several years of service.
A little more advanced design is the concentrating collector, which uses mirrors or some other device to concentrate all the solar energy to heat a smaller absorbing area. The final and most technically advanced design is using photovoltaic cells to convert solar energy into electrical energy. These systems can be integrated into your house's whole power supply, so it will supply you with electricity for uses other than HVAC.
These solar cells are becoming increasingly efficient and user friendly. A common design has the cells hooked up to batteries to continue to provide power even when the sun is not out. Solar cells create DC current which must be converted to AC to run appliances in the western hemisphere. Any heating device worth the price should be able to continue providing heat at night and on overcast days. Otherwise, you can just use your solar heating device as a supplement, to reduce your energy bills on sunny days.
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