Factors to Consider When Choosing A Solar Inverter ...

Introduction

In today&#;s rapidly evolving world, the solar energy industry has taken center stage as a sustainable solution to power our lives. If you are planning to enter the solar energy industry or are already a solar product distributor or installer, one component within a solar power system that you cannot afford to overlook, is the solar inverter. It serves as the heart of a solar power system, transforming sunlight into usable electricity. Therefore, the choice of a solar inverter manufacturer is a pivotal decision that can determine the success and reliability of a solar energy business.

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When selecting a solar inverter manufacturer, factors to consider include manufacturer&#;s reputation and strength, product quality and assurance, compatibility with solar systems, monitoring and data analysis, technical support and customer service, and environmental considerations. This comprehensive guide explores these factors, aiming to empower businesses to select the right solar inverter manufacturer that aligns with their specific needs and the needs of their clients.

1. Reputation and Strength of the Manufacturer

Choosing a manufacturer with a solid reputation and strong capabilities is non-negotiable. These factors often serve as a preliminary filter that can save you a lot of time and resources in the long run.

1.1 Product Range

A broad product portfolio gives you the ability to offer varied solutions that cater to different market demands. Manufacturers should not only provide a gamut of solar inverters but also comprehensive solar power systems and solar panels. Look for suppliers that offer products with different capacities, configurations, and technological advancements. This enables you to service a broad customer base, from residential users seeking small-scale solutions to commercial clients in need of high-capacity systems. Additionally, a varied product range often indicates a manufacturer&#;s commitment to innovation and staying abreast of market trends.

1.2 Production Capacity & Inventory

Having a manufacturer with formidable production capabilities is critical to guarantee that your orders are delivered both punctually and in line with quality expectations. A strong production capacity not only indicates that the manufacturer can handle bulk orders, but it also suggests that they have the resources to maintain consistent product quality. Abundant inventory levels are another key advantage, allowing for quicker turnaround times and fewer delays, which can be crucial for meeting project timelines or seasonal demand spikes.

1.3 R&D Strength

A manufacturer&#;s R&D capabilities offer a glimpse into their commitment to innovation and adaptability. You should look for suppliers that have dedicated R&D teams actively working on new technologies and systems, from machine learning algorithms that improve energy efficiency to IoT integrations for smarter grid management. Their ability to regularly update their products and offer next-generation solutions will not only help you stay competitive but also meet increasingly stringent energy efficiency regulations.

1.4 Export Experience

A manufacturer&#;s history in international trade is a critical consideration when evaluating potential suppliers. Such experience speaks volumes about their capability to navigate the complexities of differing regulatory frameworks, manage intricate logistics, and handle shipping requirements. The seasoned expertise of an experienced exporter can mitigate the risks of costly delays and non-compliance issues, offering a layer of security to your business operations. Furthermore, well-established shipping and distribution networks are often a hallmark of manufacturers with extensive export history.

1.5 Customer Reviews

When evaluating potential manufacturers, it&#;s prudent to consider what their existing or past customers have to say. Customer testimonials and reviews can be invaluable resources for gauging a manufacturer&#;s standing in terms of reliability, product quality, and overall service. Online platforms, industry forums, and even social media can offer candid feedback on various aspects such as product durability, ease of installation, and post-sales support. This customer-generated data can help you make an informed decision, highlighting possible strengths or weaknesses that may not be apparent from product specifications or sales pitches alone. Therefore, always seek out customer reviews and take them into consideration as they offer a real-world perspective on what to expect.

2. Product Quality and Warranty

When it comes to solar energy solutions, both product quality and warranty coverage are inextricable elements that reflect a manufacturer&#;s credibility and the long-term reliability of their offerings. There are several factors that will help you to make a comprehensive judgment on product quality and warranty.

2.1 Quality Certifications

Certifications serve as the gold standard for assessing product quality in a systematic and verifiable manner. Accreditations like ISO, CE, and other industry-specific certifications provide a quick yet reliable means to assess the quality of solar inverters and related products. These certifications indicate that the products have met stringent quality control and safety standards, reducing the risk of malfunctions or subpar performance. Manufacturers that invest in obtaining and maintaining these certifications show a commitment to quality assurance and customer safety. Therefore, when choosing a supplier, make sure to check for a strong portfolio of product quality certifications as a key criterion in your decision-making process.

2.2 Efficiency Ratings

A high-efficiency rating is a strong indicator that the inverter excels at converting the maximum amount of solar energy into usable electricity. This directly translates into higher energy yields and, ultimately, better financial returns on your investment. Typically, an efficiency rating above 95% is considered excellent and is likely to result in a higher level of customer satisfaction.

2.3 Durability

Inverters are often exposed to the rigors of outdoor elements, making their durability and weather-resistance paramount. It&#;s crucial to check whether the manufacturer&#;s products are designed to withstand harsh environmental conditions, such as extreme temperatures, heavy rain, and high winds. A robustly built inverter not only enhances the overall longevity of the solar system but also minimizes the likelihood of costly repairs or replacements down the line.

2.4 Warranty Considerations

A robust warranty can be a strong indicator of the manufacturer&#;s confidence in the longevity and performance of their products. Take note of what the warranty encompasses&#;does it cover only the basic functionalities, or does it extend to more nuanced performance aspects? Understanding these details will help you offer a more compelling value proposition to your clients and build lasting business relationships based on trust and quality.

3. Compatibility with Solar Systems

Any form of incompatibility between the inverter and the solar system can lead to operational inefficiencies, increased energy losses, and ultimately, customer dissatisfaction. Whether it&#;s the compatibility with different types of solar panels, batteries, or even software platforms for monitoring, every detail matters. Ensure that the manufacturer offers inverters that can seamlessly integrate with the range of solar systems you intend to offer.

4. Monitoring and Data Analysis

In the age of smart technology, advanced monitoring and data analysis are integral features that enhance the utility and efficiency of solar inverters. These features enable real-time performance tracking, proactive issue identification, and long-term data collection for performance analytics. When evaluating a manufacturer, take into account the following factors:

• Monitoring Platform

Determine whether the manufacturer offers a robust and user-friendly monitoring platform. A comprehensive dashboard should provide detailed insights into real-time system performance, energy production, and any alerts for system anomalies.

• Data Logging

The capability to collect and store historical data is not to be underestimated. This feature allows for trend analysis, long-term performance assessments, and even predictive maintenance, helping you to maximize the efficiency and longevity of your solar systems.

• Third-party Monitoring Compatibility

Your business may already be using specific monitoring software or platforms, or perhaps you&#;re considering integrating your solar systems with other smart home technologies. Make sure the manufacturer&#;s inverters offer the flexibility to integrate with third-party systems without compromising functionality or efficiency.

5. Customer Service and Technical Support

Outstanding customer service and robust technical support are a necessity in the solar energy industry. A manufacturer&#;s ability to provide reliable, timely, and knowledgeable support can be a game-changer in a market that thrives on efficiency and customer satisfaction. Their role is not just to sell you the product but to partner with you in achieving business success.

5.1 Customization Services

Being able to tweak product specifications, features, or aesthetics according to client needs adds a layer of personalization that can significantly elevate customer satisfaction. Customizable options are especially beneficial if you serve a diverse clientele with varying needs and preferences. These tailor-made solutions can enhance your brand value and contribute to long-term customer loyalty.

5.2 Technical Support

A manufacturer should be capable of providing comprehensive support services, from initial setup and installation guidance to troubleshooting and regular maintenance tips. This should ideally be available through various channels like , , and perhaps even on-site support. Access to dependable technical support not only smooths out any bumps in the operational process but also strengthens your reputation as a reliable seller, thereby boosting customer retention.

5.3 After-Sales Services

When it comes to sustaining long-term business relationships, the quality of after-sales services can be just as important as the product itself. Evaluate the manufacturer&#;s response time to customer queries and service requests. Prompt responses can often be a lifesaver in urgent situations, minimizing downtime and associated costs. Availability is another key factor. The manufacturer should offer multiple channels for support, whether it&#;s a 24/7 helpline, online chat, or support. This accessibility ensures that you can resolve issues promptly, maintaining a high level of customer satisfaction and trust.

6. Environmental Considerations

For businesses that give weight to sustainability, it becomes imperative to scrutinize the environmental aspects of your potential solar inverter supplier. Prioritizing green manufacturing practices and sustainable products can serve as differentiating factors in a competitive market, giving you an edge in attracting and retaining customers who share these values. Evaluate the manufacturer&#;s commitment to eco-friendly manufacturing processes and assess the recyclability of their products.

Conclusion

Selecting the right solar inverter supplier can significantly impact your business operations, customer satisfaction, and overall success. All the above-mentioned factors, from supplier reputation and production capabilities to technical support and environmental considerations, are essential to consider for making a well-informed decision.

Speaking of dependable suppliers, SolarCtrl exemplifies many of these criteria. As a factory with several production lines, we offer the latest technology in solar inverters, solar power systems, and solar panels. Our products come with technology certifications and have been widely acknowledged for their efficiency, durability, and after-sales service.

For a seamless and reliable partnership in the solar energy sector, don&#;t hesitate to reach out to us. Let&#;s work together to empower your business with our innovative and high-quality products. Contact us today to discuss your specific needs and how we can collaborate for mutual success.

If you&#;ve done the research and decided that solar power is right for your home, it&#;s time to reach out to one of the best solar companies near you. They&#;ll do a survey of your home and any obstructions in the area around it, then give you an estimate that will show how many solar panels you need, how much they&#;ll cost, and how soon they&#;ll pay for themselves.

At this point, you&#;ll likely have a lot of questions, and you may not even know all the right ones to ask. That&#;s where we come in.

There are five main categories of questions to ask:

• Questions about the company

• Questions about solar equipment

• Questions about money

• Questions about the work being done

• Questions about the future

You have to ask these questions to get a clear picture about how the installer runs their business, the quality of materials they use, the cost, performance, and expected payback time of the installation, and finally, how the work will be completed and what will happen if you ever have a problem.

If the solar company you&#;re interviewing can answer them to your satisfaction, you can rest assured that you&#;ve done the right thing &#; and get ready to soak in the sun!

Get quotes for your own home solar system

Information the installer should give you in a quote 

A good solar quote should contain enough information to make you feel confident that the installer knows what they&#;re doing and will provide you with all the information necessary to make a decision. It should answer more questions than it raises.

We always recommend getting quotes from more than one solar contractor so you can compare what each one offers. It&#;s also a good way to see which one takes winning your business more seriously. 

Here&#;s a detailed list of all the information you should expect to see in a solar quote:

Solar quote must-haves

• Solar panel make/model, and number of panels to be installed

• Total system size in kilowatts (kW)

• A satellite photo or 3-D representation of your roof showing proposed panel layout

• Inverter or microinverter model

• Expected electricity production in kilowatt-hours (kWh) per year

• Anticipated savings in dollars per year (with a clear number for estimated annual increase in utility rates)

• Information about any solar incentives for which you qualify

• Total system cost before and after incentives, broken down by dollars per watt

• Solar loan upfront/monthly cost and the price if you pay cash

• Information about warranties on equipment and workmanship

Bonus info

• Multiple options for panels/inverters at different price points

• Comparison of solar costs vs. estimated utility costs over time

• Details about the cost to add a home solar battery

• Information about a solar production monitoring app, such as those offered by Enphase, SolarEdge, etc.

As we said above, a good solar quote should answer the most important questions, like how much the solar panels cost and how much you&#;ll save. By reading the quote, you should then know all the essential information to determine whether the proposed solar installation will be a good financial investment. Here&#;s a video that shows how to evaluate a solar quote:

Once you&#;ve examined the quote thoroughly, it&#;s time to learn a little more about the company themselves and the process going forward.

Questions about the installer 

Unless you&#;re choosing your sister-in-law&#;s new solar company because she&#;s trying to gain some experience, you should pick an installer with a good deal of experience under their belt. You should also make sure they&#;re licensed to work in your area, and insured against liability for mistakes and accidents. 

Finally, solar installers in the United States have the option of becoming certified by the North American Board of Certified Energy Practitioners (NABCEP). We strongly recommend choosing an installer who will ensure a NABCEP-certified professional will be on site at all times during the installation. 

Here are the questions you should ask a solar installer about themselves:

• How long have you been in business?

• How many solar systems have you installed?

• Are you NABCEP-certified, licensed, bonded and insured?

• What is your business license number?

• Can you share references of at least three satisfied customers?

• How much experience do you have working with my local utility company?

• Do you subcontract work on your systems, and if so, how do you ensure your subcontractors do a good job?

Satisfactory answers to these questions should put you at ease that the solar company is well-established and staffed by professionals. The last two questions in particular are important.

Local utility companies all have different rules about how home solar energy systems will connect with their grid, and installers with experience know how to make sure things are done right to ensure that process goes smoothly. 

Subcontractors aren&#;t a bad thing; in fact, many solar energy companies use subcontracted roofers to attach solar racking systems and master electricians to do final connection of the system to the electrical panel. Still, it&#;s good to get clarity on it, because top installers will be clear and forthcoming on this point. 

If you use the solar calculator on SolarReviews to find installers near you, you can rest assured that you&#;ll be matched with certified pros with experience in the solar industry. Our site also has review pages for every installer with information on their certifications and verified reviews from real customers. 

Estimate system size and calculate solar panel costs and savings

Questions about solar equipment 

When it comes to solar equipment, most installers use high-quality brands with good warranty coverage and longevity, but it always pays to double check. 

You should be 100% sure that what you&#;re putting on your roof for the better part of the next three decades is built to last and compares favorably to other products on the market. Luckily, SolarReviews offers real customer reviews of solar panels, inverters, batteries, and more. 

That doesn&#;t mean you shouldn&#;t ask the installer about the equipment they choose. You should! 

Here are the questions to ask about solar panels and other equipment:

• Why did you choose the equipment you did?

• What kind of system do you have on your own roof or business?

• What warranty protection is available for the solar panels, inverter, etc?

• What problems have other homeowners had with their solar equipment, if any?

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• Who do I contact if something goes wrong with my equipment?

• How much would it cost to add a solar battery?

• Do my solar panels need protection from animals?

Warranties

One of the best ways to compare brands is by reviewing the solar panel warranties they offer. Warranties should at minimum provide 25 years of coverage for power production and 10 years of coverage for workmanship.

Several manufacturers&#;like Sunpower, LG, and Panasonic&#;provide 25-year warranties for both on their top panel models. 

Inverters

Solar string inverters generally have a warranty of 10 years (but some offer add-on protection for additional years), meaning they&#;ll need to be replaced at least once during the time you own them. 

Microinverters from companies like Enpahse are warrantied to last 25 years, just like the panels. They can fail from time to time, meaning you might lose power from a single panel while you wait for the replacement.

Batteries

It&#;s likely that you&#;ll never need to have a home solar battery; power outages are generally short, so the only thing you&#;ll lose is the temporary comfort and convenience of all the electrical appliances in your home. 

However, recent problems in California and Texas have shown that blackouts can be deadly, and the peace of mind that comes from a solar battery can be worth the cost, even if you never need to use it.

Adding batteries to a solar system at the time of installation comes with some specific advantages. When batteries are designed as part of the system, you generally have your choice between DC or AC-coupled. The difference isn&#;t huge, but it&#;s worth exploring. 

Some of the installation labor cost might also be reduced, meaning a battery that&#;s installed concurrently with solar panels may be a bit cheaper than a battery added later. You can see this when you look at Tesla's website when you look at Powerwall costs when the battery is ordered on its own versus when it's ordered with Tesla solar panels.

Further, if you wait to install a battery, you&#;ll almost certainly be offered the AC-coupled variety (such as the Tesla Powerwall) that stores electricity only after it&#;s been converted from DC to AC by your solar inverter. That isn&#;t necessarily a bad thing, but it does lead to a small amount of additional power loss due to the conversion.

Animals

Pay special attention to this question. Most places in the USA don&#;t see significant problems from animals messing with solar panel installations, but it&#;s possible that the squirrels in your neighborhood are extra ornery and like to build nests underneath solar installations or chew exposed wires. 

There are products on the market that fight these problems, and your installer will be able to tell you whether other customers have had trouble with animals. 

Questions about money 

The biggest consideration for most homeowners is cost, and closely tied with that is savings. As we said above, a good solar installer should provide a quote with the total cost, estimated savings per year, and payback period. 

The quote should also include information on the incentives available to you, especially the federal solar investment tax credit (ITC), which can earn you 26% of the cost to install solar panels back as a tax credit the year after installation is complete.

Here are the questions to ask about costs and savings associated with your installation:

• How can I be sure I am eligible for the solar tax credit?

• Are there other incentives, and how do they reduce or repay the cost of the system?

• When are payments for the system due? Is the entire amount due at one time?

• How long will it take for the solar panels to pay back their cost?

• What rate of increase in utility costs do you use in your estimates?

• What financing options are available?

• Will the payments for financed solar panels increase over time?

• Will solar panels increase my home value?

Solar tax credit 

It is a sad truth that not all solar salespeople are straight shooters when it comes to your eligibility for solar incentives. You can only claim the 26% solar tax credit if you owe at least that amount in taxes. 

Put another way, you have to have income. Some retired people have been told they qualify for the tax credit by unscrupulous salespeople even though they don&#;t have income. Your installer might not be a tax pro, but they should be straight with you about what it takes to qualify for this incentive.

Other incentives like solar rebates or SRECs don&#;t require income to claim, and your installer should be the expert in helping you get qualified and claim those incentives.

Savings estimates 

Another place where some salespeople don&#;t tell the whole truth is in solar savings estimates. These calculations rely on information about how much electricity your solar panels will make each year, the average annual increase in the cost of that electricity on your energy bills, and whether your state offers net metering. 

Your installer should be able to give you a straight answer about the calculations they used to determine solar production for your rooftop. Installers may use one of the many expensive software programs that can do these calculations, but you can use the free PVWatts tool from the National Renewable Energy Laboratory to get a ballpark idea of whether their numbers are right.

As for utility rates: in most of the US, utility rates increase by about 2.5-3.5% per year. Certain places have very low historical increases while others have very high increases. You can get the historical rate of increase from your utility company or by looking back at old electricity bills at the amount you pay per kWh. 

If your solar quote shows a projected increase of more than 3.5%, ask the solar company to show proof that their numbers match the historical rate of increase, or run the savings estimate again using a lower rate. 

Financing

Finally, it&#;s very important to find out about financing options and their effect on final cost. 

Nearly all solar companies work with financing companies to provide solar loans, which offer low monthly payments rather than a big upfront charge. Other companies will offer solar leasing or power purchase agreements (PPAs), which means the solar company owns the panels and you pay a monthly lease payment or per-kWh charge for the solar energy the panels make. Sometimes, these options will be advertised as "free solar panels," but don't be fooled! You'll still have to make monthly payments.

One important thing to know here is that solar installers who offer loan financing often end up passing a finance charge onto customers who sign up for that financing. You should ask the installer for the cash price vs the financed price, and if the difference seems too great to you, consider using your preferred bank to obtain a HELOC to go solar, equal to the cash price.

HELOCs are harder to obtain than other solar loans, but don&#;t have finance charges so you&#;ll save money while still financing the total cost. In addition, solar panels increase the value of your home, so a HELOC won&#;t necessarily decrease the amount of equity you have in your home as much as it would if you were financing another type of home improvement.

Enter your zip code and amount of your most recent energy bill to see average solar panel costs in your area

Questions about the work being done 

Once you&#;ve settled on the price and payment schedule, it&#;s time to think about the practical matter of getting this stuff on your roof and kicking out kilowatts. 

Here are the questions to ask about the installation process:

• What are the steps of the installation process?

• How long will it take to complete the process, and what is the timeline?

• What if you don&#;t finish the work on time?

• What guarantees do you offer for your work?

• What happens if a leak develops well after the panels have been installed?

Installation process 

These questions are all about the process. A good installer should be able to give you a timeline and commit to meeting it. There are certain things within their control, like initial start dates, and things out of their control, like permitting timelines and scheduling an inspection from the utility company prior to getting final permission to operate (PTO).

In general, it can take as little as two or as many as six months for the whole process to get done. Installers need to do a site visit, submit a system design to the local authority, get a permit, schedule the installation, do inspections, and get final permission to interconnect and operate your system on the grid. 

They should be open with you about what this process looks like and how they&#;ve worked with your utility company in the past.

Guarantees 

If the installer can&#;t finish the work on time, it may mean you don&#;t qualify for incentives that were available at the time you signed the contract. 

A good example of this is back in when the federal solar tax credit decreased from 30% to 26% of costs. Anyone who didn&#;t have a completed solar installation by December 31st didn&#;t get to claim the 30% credit.

Your installer should be willing to give you a guarantee or pay the difference between incentives you thought you&#;d get and incentives you can&#;t claim because of their going over the time estimate to complete the installation. 

They should also give you a guarantee that their work will not damage your home, and offer protection for you against roof leaks, broken tiles, and other damage. The best installers offer workmanship warranties for at least 5 years after installation so you can feel confident that they do quality work. If any problems occur from shoddy workmanship, they usually occur soon after installation.

Questions about the future 

Now that you&#;ve squared away info about how and when the system will be installed and how much it will cost, it&#;s time to think about what happens during all the years you&#;ll be harvesting energy from the sun. 

Solar panel systems are meant to last for at least 25 years, but things can go wrong, and it pays to be prepared for if that happens.

Here are the questions you should ask about the future:

• How will I be able to monitor the solar energy my system generates?

• What happens if the solar panels don&#;t produce as much energy as you claim?

• How long will my contract with the utility company last?

• What happens if I need my solar panels removed to have work done on my roof?

• What if a solar panel fails due to a manufacturing defect or breaks because of a storm or other natural disaster?

• What if I want to add additional panels to my installation? What about a battery?

• What happens if I move while still paying off the panels?

Monitoring software and systems 

By the time your panels are installed and fully operational, you&#;ll be itching to see a real-time readout of just how much energy they&#;re producing (and how much money you&#;re saving) at any given time. 

Your installer should be able to tell you about any solar monitoring software they use, or at least show you how to use a third-party solution like the Sense energy monitor to track your solar production and consumption.

If you get solar panels through a PPA or lease, your installer will probably include a production guarantee. That means you should expect a minimum number of kWh per year, and if the leased panels don&#;t make that much, your contract should have a clause that describes how the company will reimburse you, usually a monthly bill credit. 

When you&#;re buying solar panels with cash or a loan, you generally won&#;t get a production guarantee from the installer. That doesn&#;t mean you should suffer with low power output. If your panels aren&#;t generating what you think they should, your first call should be to the installer. But even before the panels get up on the roof, ask the company what kind of after-sales service they&#;ll provide if you run into problems. 

Know your contract 

Be sure to ask about your net metering contract. It used to be that many states with net metering rules allowed those homeowners who signed up to stay on the arrangement indefinitely. 

Now, as net metering changes take place all over the country, you may only be guaranteed the full retail rate for 10 or 20 years. It pays to ask rather than be surprised when your utility switches you to a different plan after a decade or two.

Panel failure and damage 

If a solar panel fails because of a manufacturing defect, you should hear from the installer whether they want you to contact them first or reach out to the manufacturer for warranty repair. The answer to this question will likely be different whether you own the solar panels or lease them. 

Side note: solar panels are covered by most homeowners&#; insurance policies. If you own the system and your panels are physically damaged, your insurance company will likely pay for any repairs, minus your deductible. 

Big, structural change 

As we&#;ve said a dozen times now, solar panels are designed to last for a very long time. 

Unless you get them installed on top of a brand new roof, chances are good you may someday have to remove them and have a roofing company install new shingles or tiles. The very best installers will offer to do this for you for a modest fee, and you may even ask to have them write it into the contract. 

If your energy needs change or your energy usage increases after, say, starting a family or buying an electric car, you may want to consider adding additional panels to your installation someday down the road. It&#;s very important to ask about that possibility before you get the first panels on your roof, because there may be limitations or other considerations that would prevent you from adding panels in the future. 

For example, you may have limited roof space, and installing some less-efficient panels now would take up the entire available surface. Instead, your installer might convince you to install more efficient panels that take up less space, so there will be room for an expansion in the future. 

Additionally, the possibility of adding solar panels in the future may lead your installer to recommend an inverter rated to handle more power, or to recommend microinverters, which allow for future panels to be added without making modifications to your existing setup.

The final word on asking a solar installer questions 

Choosing to install solar panels on your home is a big deal, and if you&#;re like most people, you&#;ll want to make sure you&#;re making a smart choice and asking the right questions. 

You don&#;t have to ask every question we outlined above, and you can do a lot of your own research right here using the &#;learn solar&#; menu (to the right on desktop or by clicking on the &#;+&#; button on mobile.

Whatever questions you do ask, your installer should have a good, logical answer for, and they shouldn&#;t have any problem answering. You can tell the difference between a good and bad installer by how willing and open they are about answering all your queries. 

Solar panels represent the ideal of a low-maintenance product, and once yours are fully installed and activated, you may never have to contact your installer again. Still, you&#;re about to enter into a 25-year relationship with a company, so you should make sure they are ready to be there for you. 

The company is the world’s best OEM 3 phase residential inverter supplier supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.