7 Steps to Install Solar Panels on Your Roof

Solar panel systems have a bright future in the roofingenergy to fit your needs.
industry and for home and building owners alike. Solar5. Determine the required size and Watts.
panels, also known as solar photovoltaic panels areTo begin, study your electricity bill. It will provide you
excellent tools for reducing monthly electric bills,with a lot of useful information to estimate your energy
providing clean power, lowering dependence onneeds. Find out how many kilowatt hours (kWh) you
traditional fossil fuels, and adding value to a home oruse per day, month and year. When sunlight is optimal,
building. Installing rooftop solar panels is one of the besta 100 Watt panel will generate 100 Watts of electricity
ways to increase the value of a home or building. And,per hour. Most homes electricity needs can be fulfilled
not to mention the fact that federal legislationwith a solar system between 1 to 5 kilowatts or
extended a 30% tax credit for commercial and1,000-5,000 Watts. And in general, 1 square foot of
residential solar panel installations.solar photovoltaic panels in bright sunlight yields 10
The following "7 Steps to Installing Solar Panels" canWatts, but that can vary depending on the type.
be used to guide both commercial and residentialUltimately, when determining the required size of solar
customers through the solar panel shopping andpanels be sure that they will supply enough electricity
installation process, and help make it as smooth andto meet or exceed your needs.
easy as possible.6. Choose the Solar Panel Type.
1. Make your home more energy efficient.There are 3 main types of solar photovoltaic panels
Before you begin the solar installation process you firstthat are available to choose from and vary in
need to examine the energy efficiency of your home.efficiencies.
Adding solar photovoltaic panels to a home with poor* Mono-crystalline panels are essentially one large solar
energy efficiency is not going to provide the resultscell. They are smaller than the polycrystalline panels.
you expected. In some states to be applicable for the* Poly-crystalline panels are comprised of many small
tax credit your home needs to have an energy auditcells grouped together which produce a little less
performed before the solar panel system is installed,efficiency than the mono-crystalline panels, and are
making your home's energy efficiency paramount.potentially available for a lesser cost.
Here are some tips to make your home more energy* Amorphous (or thin-film) panels are larger in size and
efficient:require more space than the other panels. However,
* Upgrade or replace windowsthere are other significant benefits, such as a lower
* Well insulate walls and atticcost, versatility, flexibility and greater efficiencies in the
* Replace inefficient hot water heaters and/orMidwest.
furnacesIt should be noted that efficiency only addresses the
* Replace incandescent light bulbs with compactamount of light that is created on bright sunny days.
fluorescent bulbsThe thin film panels have the unique ability to produce
2. Evaluate the solar site or roof.watts in low light and overcast conditions, therefore
Ask yourself a few questions: Is the roof strongincreasing its yield of watts over the same time for the
enough to support the panels? Is the available spaceother panels in less than optimal climates like the
large enough to hold the panels? Does the roof offerMidwest. Side by side comparisons in the desert
southern exposure? And most important, does yourreveal one thing, but side by side comparison in an
roof receive enough sun light? Solar panels arearea that only has 4.2 hours of sunlight on average
recommended to receive full sun exposure betweendaily, the thin film provides a distinct advantage.
9am and 3pm in order for them to be the mostOne must also consider that the framework required
effective.to mount the panel type vs. the thin film can add cost
3. Get competitive bids.and future maintenance.
Solar panels are a big investment, but done correctlyAs there are different types of solar photovoltaic
they can provide a significant return and increase thepanel roofing systems available, there are also
value of a building or home. Shop around a little anddifferent types of installation methods, such as a
find the best price. But be aware; don't just look for thegrid-tied system, which offers the ability to have more
cheapest price. Find a well established retailer andsolar photovoltaic panels added at a later date.
installer with a strong track record. Educate yourself7. Review the quote and solar system specifications.
and ask the right questions, because sometimes aRead the fine print and be clear on all aspects of the
higher costing solar system might be the better option,new solar panel system. Here are specific points to
and in the long run provide a higher return on yourreview:
investment.* Total Cost - Labor, installation and equipment.
4. Research the cost.* Projected savings - how many years will it take to
Solar photovoltaic panels vary in cost, which is usuallypay itself off?
determined by the size measured in Watts, the actual* Operational and maintenance costs
dimensions, the brand, the longevity, the warranty, and* Required permit costs, if any
any certifications the solar panel might have. As solar* Solar system make and model - is it a trustworthy
systems increase in size so does the price. Expect tobrand?
pay approximately double for a solar system of* Taxes
double the watts.* Tax credits - 30% federal tax credit with no cap.
It is probably a good idea to receive multiple quotes,* Utility rebates
and if there are large differences inquire why. And, as* Warranty - how many years? Most reputable
mentioned before, don't choose your solar panelsbrands will offer a 25 year warranty. If less, inquire
based solely on price; make sure it will supply enoughhow long it takes to pay itself off.