Frequently Asked Questions
There are many factors that affect the cost of a solar PV array such as: How many panels, type of inverter, local electrical and building permit requirements and pitch of the roof which adds to the installation time.
Solar equipment is industrial-grade and is designed to last for decades in some of the most harsh environments in the world. They need to withstand intense desert heat, hail and tripical storms and heavy arctic snow loads. Therefore, most of the equipment is made from stainless steel, aluminum, or tempered glass. These materials are not cheap but when compared to their overall lifespan and energy production a most solar arrays can produce electricity tnat is 30%-60% cheaper than the grid.
There are hundreds of solar panel manufacturers but even those that manufacture in North America and Europe source most of the components from Asia. Choosing a manufacturer with a good reputation and local support for any warranty claims is essential. At Heliotechnik we have installed Silfab, and Canadian Solar, Hanwah, and LG modules for years with good success. We have installed and done diagnostics on systems using various brands and found that the solar panel is typically one the least likely points of failure.