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Quasi Square Wave or Modified Square Wave actually mean the same thing. Modified square wave is the actual wave form. Quasi Square Wave is a marketing term used by many low cost inverter manufactures. Inverters convert Direct Current DC to Alternating Current AC. Old obsolete inverter technology created square wave output. As stated by the name the wave form is square not sinus as required to have pure sine wave AC. Modified square wave has a step or dead space between the square waves. This reduces the distortion or harmonics that causes problems with electrical devices. Modified Square Wave inverters will work fine for pure resistive loads, like lamps or heaters. It will also work well with pure inductive loads, like universal motors in mixers and blenders. If these devices have electronic speed control this could be damaged. Devices that have transformers in their power supplies, Microwave Ovens, TVs, Computers etc. will run hotter and less efficient. These devices will not last as long as the would on pure sine wave inverters. For the money the modified square wave inverter will cost more in the long run by reduced efficiency and possible damage to appliances. I highly recommend that you use a pure wave inverter it will cost less by increased efficiency, problems and possible damage to your appliances.
That depends on what you need them for. It also depends on how much square footage you need to cover and the quality of your solar panels.
I found an article on a website with information on central air conditioning prices click the link.
Its very difficult to assess the cost as it will require costings of howmany mains lines and sockets required in each room, lighting sockets, utility sockets such as cooker, hob, oven. Bathroom requirements i.e. shower, shaver etc
10.00
$1.81 a square foot, per year $1.81 a square foot, per year =)
The average cost of a 42,000 square-foot recreation Center in Akron Ohio is approximately $180 per square-foot. The cost information is derived from 2010 statistics.
$800
$300-$400
average energy cost 1 br st louis
The average cost of utilities on a small business will depend on the actual size of the business. In some cases, utilities will be very cheap. In other cases, it can cost hundreds of dollars a month.
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about $100000000000000 NOT!
The average construction cost per square foot in Scarborough Ontario is $4.23 per square.
Usually $3-5 per square feet for that size depending on location. Take build-out and utilities cost into consideration to be used as your negotiating leverage.
The average construction cost per square foot in Scarborough Ontario is $4.23 per square.