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Component Costs

Let me start out by saying that I do not think its a good idea to go out and try to build a system from individual components yourself. Unless you have experience in electrical work or are already a solar professional, this can over complicate what is already a complicated process. I also get calls from people who have inherited some solar panels or bought an inverter on eBay. You can certainly cobble a system together with used parts but keep in mind that efficiency is advancing in this industry fast enough that even panels made 4 years ago are behind the times. The best way to start is with new, brand name products.

Panels

Solar panels vary widely in cost now but are quickly becoming a commodity in terms of pricing. You can find many Chinese manufacturers that will provide panels for $2/watt. But what will you do when you have a warranty issue? Odds are your panel company will be defunct or impossible to reach.

I would suggest using a name brand for the panels. In my opinion, Sharp, Sanyo, Mitsubishi, and Kyocera are all excellent panels. Evergreen panels, which are American made, and REC which are made in Norway, are good panels but less prevalent. For these name brand solar panels you can expect to pay anywhere from $3.00 to $4.00 per watt retail. Obviously the more you buy the better your price per watt will be.

Inverters

There are three major inverter companies that do the lion share of solar installations: SMA (the Sunny Boy line is one of the most popular in the world); Fronius (like SMA a German company); and Xantrex (which makes a wide variety of electrical gear). You really can’t go wrong with these brands, but of course that means they cost a little more too. For pure sine wave inverters, which is what you’ll want for 99% of American homes, you can expect to pay about $2,500 for a 2000 watt inverter.

There are many other brands that you can get inverters for closer to $2000 (PV Powered, Outback, and Samlex come to mind) and could be perfectly acceptable for your system. One thing to keep in mind is that since you are connecting to the grid, your utility probably has a list of acceptable inverters. Be sure to check with them before buying ANYTHING.

Racking

There are so many racking makers and types (eg roof, ground, pole) it seems like every day I learn of a new manufacturer. Generally I don’t get too picky about the racking companies. The key part is making sure that you are buying the right racks for the panels and installation type you have. Uni-Rac, Iron Ridge and DPW are all reputable brands and can handle 90% of installation specifications. For a 2000 watt flush roof mount system you can expect to pay about $800-1000 for the rails, mounts and clamps. Ground mount and tilt systems get more expensive because there is just more parts involved.

Wiring, Disconnects, and Accessories

This is a hard part to estimate because it depends on your installation and the distance between the panels and the inverter. One key concept is to realize the larger the distance between the panels and inverter, the larger and more expensive that wire will be. DC power, much like water, must travel through larger wire at higher amperages to maintain efficiency. For a 2000W system I would budget about $400 for a typical wiring, disconnect, fuses, lighting arrestor, and conduit setup.

Complete System Costs

Ok, so that was the hard way to estimate a system. The fact is that companies have recognized that most people want an all-in-one-system. These kits can be customized for your particle application and come with the parts you need and, most importantly, instructions and drawings! Now this isn’t quite like putting together that entertainment center from Target, but with some patience, tools, and a little help from an electrician, these kits are actually very doable.

The best part of the kit is the cost. If you do the math on the system talked about before you’re looking at about $12,000-$14,000 and you have to match all your components. Kits generally run about $5-$6 per watt. So our 2000 watt example system would be closer to $10,000. And its a complete package, some customers have to add conduit and some wiring, but for the most part its a turn-key system.

Micro-inverter Systems

We touched in micro inverter system before but I wanted to talk about cost quickly. These inverters are meant to be connected directly to one panel of around 230W. Then the inverter can be connected to the grid. This changes the economics of systems significantly because you can get a 230W panel for around $700, a micro inverter for $230, and a small rack system for $100. Add in some wiring, a fuse and a disconnect and you’ve just gone solar with grid connection for around $1300. Not bad eh?

Next week we’ll start the install.

Kriss Bergethon lives off the grid with his wife in Colorado. For more information visit his website at Thin Film Solar Panels.

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Suggest the possibility of DIY home security system a decade ago, and most people would probably be caught by booby traps have thought Kevin McAllister swung over the color boxes and electrified door handles in Home Alone. Was, in fact, impaired vision, auto-detection and information technology at the time was what only with letters pros really fuck with (and was unreliable), and even then notoriously glitchy.

But now we are in an age in whichHardware crashes are rare things. Computers are harder, and as a control hub for numerous robotic technologies, of which the collection, storage and media-storage use some of the least logistically challenging. Setting up a DIY home security system is not really something that will not be intimidated – home security camera systems can be built from simple webcams people use to chat online, and a little more money to conquer, infrared security camerasIssues of lighting and motion detection in the dark parts of your home.

Do not be put before himself

If the prospect appeals of building a DIY home security system to you, the best place to start is the technology with the lowest. An estimated 60% of burglaries occur in North America, through a door or a window left open. Make sure that you and your family in the habit of locking everything up to be, even if you are just nipping to the7-11 for a pack of cigarettes.

Be on this, you want to install the contact sensors for all windows and doors. Contact sensors are simply two pads, which when touched, complete an electrical circuit. If this circuit is broken by, say, opening the windows, a trip to the switch contacts so that they will indicate, in order to its central hub (which in case of a DIY home security system, most likely) your personal computer. Contacts can be bought for lessthan ten dollars in most hardware stores.

Video surveillance on a budget

If you had to manipulate a full home security camera system as part of efforts DIY decided, you can be your contacts in a way that they select a book with you to arrange safe and exposes them as fast as the course record broken. For DIY home security systems, there is no reason to do something more sophisticated than a webcam as yourSurveillance camera. They can choose from for $ 20, and are widely used in department stores and through computer-supply chains.

For those who have more money in the hand

The purchase of an infrared surveillance camera, on the other side will almost certainly your wallet much lighter. Your advantage over night vision cameras is presented in its ability to detail and high quality images regardless of lighting conditions. Infrared cameras do this by recordingthe black body radiation of objects, organisms display little more than inanimate objects. The inclusion of infrared security cameras not only eliminate your need for smoke sensors (as) as a fire alarm, but at home security camera system firmly in the 21st To bring century, because it makes them immune to changes in lighting and weather conditions.

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If you reduce your energy consumption, then you can reduce the size and cost of solar power. With a DIY Solar Power Home Guide will also help to reduce costs by around 25 percent. When combined with the efforts of others, you can make a significant difference on a global scale, by responsible energy habits. Here are 3 steps you can take to save money and energy and reduce your CO2 emissions.

Step 1: Make sure your thermostat – Lower YourThermostat is the fastest way to reduce your heating costs. By lowering your thermostat in winter, and the inclusion in the summer to only 1 degree you save about 2 percent on your electricity bill. Use a programmable thermostat and set it 10 degrees colder when you sleep or away from home and switch it on when no chance of your pipes to freeze him out completely.

Step 2: Know your water heater – switching to a highly efficient on-demand water heater unit, consumes approximatelyhalf the energy of a conventional water heater. Cover Wrap your water heater in an insulating and lower the temperature as much as possible. By reducing your water heater setting by just 1 degree Fahrenheit could lower your electricity bill by 1 percent. Using a low-flow shower head is another good way to save hot water. If you go away for a long time to shut your hot water demand system only makes sense.

Step 3: Get an energy audit – a professional energy auditorhelp you make the best use to improve your energy dollars. An energy auditor to come to your home and examine each room with tools such as infrared cameras to check for cavities in the insulation inside the wall, and to consider a blower for air leaks. Always make sure you ask the investigator if you receive a written report on how much it costs and what investigations they conduct. The typical home saves about one third of the energy provided by and auditing.

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A House Alarm DIY installation is probably the first thing is the true do it yourself homeowner considers when over internal security. You just want to have the waiting period, a professional get the job and would rather save money than they save,'s does. Moreover, it is felt there is a pretty handy person and you want to do the first point of contact for the task of protecting the family and home. But there are some things that you wantto think before you buy your security system.

Start the conversation with your insurance company and see if they can provide a list of recommended burglar alarms. If you buy one from this list, then it is fairly certain that your insurance will be happy with the product as well.

However, not only to the right to run and buy a security system from its list of proposed schemes. You want to throw them into other products that just might be better for the jobYour house and circumstances. Do your own research. Even if one is chosen from the list of insurance company, you can have it done by a professional service. This will certainly not fit into your plans.

As you do your research, you will need as many of the various DIY home security systems, as you can look. Pick your not the first, you see that looks simply install it. There are still other factors to consider.

Picking an alarm system based kitsolely on price, that is, picking a cheap can cause some potential problems. Many cheaper systems are no clear instructions, easy to follow. You may even find that the layout have proposed in their plans are not done well to provide sufficient coverage.

So take a look at as many of the instructions for the various security systems, as you can while you are on any product on the list of possibilities. Check out the charts to see if they are clear. Check out theEquipment to see if the proper industry certifications met.

Another point is taken into account that even has a potential DIY home security system on your list a cheap price, it could turn out to be more expensive in the long run. Like many inexpensive things have you bought that ultimately need to have reached long before would have been a bit more expensive to replace? Or even more care needs that could be expensive if you have a professional callService to sort the problems?

Last thing you consider when you are buying DIY burglar alarms to which tools are needed to install it. You do not want to be safe, to buy tools that you are not in the position, were included after the installation. Showhouse Alarm DIY kits, the tools you already have, use is easy to borrow, or at least something that you use for other tasks, done after the work.

Copyright 2008, Sandra Wilson –Burglaralarmnotes.com

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