Heating and Refrigeration Technology
Electric heating can be defined as an electrical appliance that converts electrical energy into heat. The one thing that drives me crazy is that I see some electric heaters advertised as 20% more efficient than another electric heater. The bottom line in all of this is that the amount of BTU’s that can be produced from a kilowatt of electric is defined by the laws of physics.
Take any kilowatt of electric and convert it to heat and you get 3415 Btu per Kw. This fact cannot be altered or changed. So for anyone to make claims of their electric heater being more efficient than the next guy’s is totally false.
There are different ways to deliver the heat and the may make some difference in the way you feel from the heat being delivered. Electric heaters that use infra-red technology may make you feel warmer without actually heating the air surrounding you. Heaters that use oil to hold or ceramic to hold the heat may radiate heat even when the element is not on making you feel warm even though the element is not producing more heat. So there are different popular methods to heat, but the bottom line is that the amount of BTU’s produced by each on an equal basis will be 3415 BTU’s per KW.
Since central heating and cooling systems do not rely on openings like windows and fireplace flues, these openings can be made more air tight when they are closed. This does not mean that there has to be a lack of fresh air in the house. Central systems can include a piece of equipment known as an air-to-air heat exchanger, which brings a flow of fresh, outdoor air into the home without losing energy.
When considering electric heating always remember that a fossil-fuelled power plant may only deliver 4 units of electrical energy for every 10 units of fuel energy released. Even when you use a 100% efficient electric heater, the amount of fuel needed to make the amount of heat needed, is more than if the fuel was burned in a furnace or boiler at the building being heated. The amount of electric that is lost by substation transformers and transmission lines is almost 2/3 thirds of what was initially produced at the power plant.
There is no shortage of companies who have jumped on the mini ductless heat pump bandwagon. Recognized names like Carrier and Trane are of course manufacturing and selling them. It is very remarkable to me though that there are many companies that are selling them on the internet. UPS just delivers them to you. Then you can either hire someone locally to install them or do it yourself. It is not a complicated appliance to install, and most do it yourselfers are capable.
We live in the internet and information age, so there is no lack of information about mini ductless heat pumps on the internet. Along with the information are a superfluity of companies selling them over the internet too. I don’t think that there is anything wrong with buying them over the internet. Vigorous competition is always good. When you are looking around, just do your due diligence. Read reviews, and I always like to talk to a person if I am making a relatively large purchase like this
Resource Author Francisco R. Higueras
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