Longhorn Solar, Inc.

Verified profile
Updated: 23 March 2024
Installer

Installing solar since 2007

Longhorn Solar, Inc. logo

4.64 from 360 Reviews

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A score we give a solar company out of 100 based on 13 criteria that our SolarReviews industry experts believe are the best criteria to separate good and bad solar companies.

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Longhorn Solar, Inc. reviews


Breakdown of consumer reviews

Sales Process

4.8

Price as quoted

4.9

On schedule

4.7

Installation quality

4.8

After sales support

4.6

Latest good review thumbs up

Cecil | Manor, Texas | 11/20/2024

Great Solar Company

We were looking for a reputable company to install 15KW solar system along with 2 Powerwall 3's, and decided to go with Longhorn Solar after weeks of comparing options. Right off the bat, Jameson went above and beyond to explain the process, the design, and financing while being fully transparent unlike some other installers that we spoke with. Jameson was extremely professional and easy to work with and gave us full confidence that we were making the right choice. Once we made the deal, Fhilecya kept us fully informed on the permitting process and efficiently got everything ready to start the install within a month. The install crew was professional and respectful. However, there were some design changes they made I wasn't informed of due to roof air vent location, but Fhilecya and David quickly resolved the issue and addressed any concerns I had. David came back few days later for final inspection to bring the entire system online, and he was very helpful while explaining all the details of Powerwalls and solar system. Lastly, when I noticed few uneven panels and notified David, they sent the install crew back out the next day to fix the issue which was greatly appreciated. The system is working perfectly and producing much more than estimated on the proposal so far. I couldn't be happier how easy the entire process was and how Longhorn Solar handled everything, will definitely be recommending them to neighbors and coming back to them for any future services

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Latest bad review thumbs down

Kelly Zickafoose | San Antonio, Texas | 10/29/2024

Greatly Lacking Customer Service

Very, very difficult to get in touch with a live person. Very confusing email traffic and MANY unanswered voicemails. Warranty is not a thing apparently, they came out on a warranty call and charged me for 2 hours when the guy was at my home LESS than 20 minutes! Then said it wasn't covered under warranty. THEN sent me a bill from another company for $329.88! AFTER I called and complained that the guy was NOT here 2 hours but 20 minutes! They argued that He had to drive here. Hmm, how else do you think he was going to get here? I am not paying him! he doesn't work for me! he works for you! Terrible company! The tech also showed up 2 hours late. Solar Panels (16) AU Optronics Model:PM245P00_250 $4,100.00 Inverters (1)SMA America Model:SB4000TL US-22(240V) $3,650.00 Balance of System $2,100.00 Labor $3,090.00 Sub-Total #1 $12,940.00 Thank you for choosing Longhorn Solar to install your solar photovoltaic (PV) system. You 4.00kW system consists of: 16 – AU Optronics Model: PM245P00_250 The Solar Panels have a 10-year warranty. 1 – SMA America Model: SB4000TL-US-22(240V) The inverter has a 10-year warranty.. The balance of system (fuses, wires, disconnects, etc.). We offer a 10-year warranty on our installation of these components If you have any questions, concerns and/or warranty issues, call us Monday – Friday 8:00am – 5:00pm at 512-837-4800.

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William | Leander, Texas | 03/23/2024

No real interest in providing quality service

Extremely poor quality work and supervision. Subcontracting out work to inferior and inept contractors. Would not return phone calls for service / warranty request. Keeps contacting me offering a reward to help them find new customers - like I'm going to do that based on how I have been treated and the poor quality of work they performed.

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Mike | Whitney, Texas | 02/06/2024

Solar System Satisfaction

Selected Longhorn Solar because of their detailed sales presentation and initial design. Guided us through selection of equipment / configuration options giving us the detailed pros & cons of each. Wanted to deal with an experienced supplier/installer rather than a broker. Looking for that one accountable company. We got a detailed design, a performance warranty and Longhorn Solar handled all permitting both through CoOp and HOA. System was installed in 29 days less than originally estimated and has been working flawlessly since commissioned in January. Price was competitive, communication was solid. Crews showed up when promised and did a great job of cleaning up debris. Hopefully after sales support will be the same great experience.

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DM | Austin, Texas | 01/29/2024

They should hire me for project management because I did a lot of the coordination work (they should be doing this!) on the solar project at my home. Frustrating when no one at Longhorn calls back nor emails back (this happens frequently. I eventually get responses but it's because of my constant follow-ups), an appointment resulting in a no show from their tech person, an old part (trash) disposed on my property grounds, technical issue that took awhile to get resolved, etc. All the problems have been post sales installation and post sales service. The best part of the process was the sales. In fact, Longhorn Solar’s salesperson Ron Martin is outstanding. This recommendation is strictly in regards to Ron Martin who demonstrated solar knowledge expertise and excellent customer service … many times above and beyond. He’s friendly and returns calls. Sometimes when a salesperson completes their sale, one never hears back. But Ron has always been reliable in getting answers for me, even after the purchase was made. He has also visited my home to further explain the solar system and walk me through the apps. I recommend Ron Martin wholeheartedly.

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David | Austin, Texas | 08/30/2023

Poor customer service

We got our 12kw system about 10 years ago. The first couple of years, they called me regularly to make sure everything was running well. A year ago, I noticed one of my inverters was showing zero amperage. I called to report it. About 2 months later someone finally called, saying they’d check it out and let me know. I never heard back. I’ve called 6-7 more times, and no one calls me back. I called again 5 days ago. A woman called 2 days later saying someone would call me in 48 hours. I’m still waiting! Unacceptable.

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tcooper | Taylor, Texas | 07/24/2023

Great Install and Even Cleans Up Other Companies' Messes

Longhorn did my initial install in March of 2021 and I have had absolutely no complaints about their work or my solar production. I had one issue with a panel in late 2022 and they sent a tech around to check on it and fix it without any additional cost. Then this past June, SolarEdge, the mfr of my inverter, contacted me letting me know they were shipping a new inverter because there was an issue and it needed to be replaced. An appointment would get made with Longhorn to do the swap. However, SolarEdge contracted with Sunnova instead of my installer to do the work. The guy was barely understandable but told me they didn't have a cellular card to put in the new unit and said he would get one and be back out in a couple of days to install it. I never saw that guy again. After communicating with Sunnova and SolarEdge on several occasions about this issue, it was clear they weren't interested in making it right. So I contacted Longhorn and they made some calls and were able to get SolarEdge to send a new card; as soon as it arrived, Longhorn was at my house doing what Sunnova wouldn't do. All for free. Thank you Jeffrey Jones and Matt S. for all the help and friendly service!

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Patricia Mills | Round Top, Texas | 07/24/2023

Maintenance

This company’s response to problems with their equipment is terrible-no response to email/texts. 2 weeks of contacts before a real person responds. Our inverters have stopped working at least 3 times since installation.

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The Rail Guy | San Marcos, Texas | 05/16/2023

Jameson Dillon, Sales Manager

My experience Jameson & Longhorn Solar Inc. was great. I would recommend Longhorn Solar to others. I am more than satisfied with there performance and cooperation. I originally had a 42 panel system installed with out batteries in 2017 (based on 80% average usage). Problem was when the grid goes down the panels are useless. System upgrade: Longhorn Solar installed a TESLA (2)battery system last fall and then 8 additional panels this spring. Love the system and on most sunny days I am able to operate 100% self powered! Wow...

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Bruce Cardwell | Austin, Texas | 09/27/2022

10 percent won't buy you time of day

I signed my contract with Longhorn Solar at the end of August 2021. Here it is September 27, 2022 and my system is yet to be installed where it will pass even a simple test of turning off the Grid power and seeing how long we can live on our Sonnen EcoLynx20 battery. Test FAILED at one hour and it powered down the whole house with 86% battery charge showing remaining. Attempted to address this issue with Sonnen, whatever changes they made powered down the battery completely. I was told I could power the battery back up and all should be well. Not a chance, battery will not power up, we are dead in the water as far as battery backup goes. Sonnen said that given it would not power up I needed to talk with my installer to remedy the situation. I contacted them over 10 business days ago and copied in everyone I had an email address for and all I have heard is crickets. Today we heard reports that thousands of folks in Austin are without power, luckily not us, however my wife heard that story and she is not at all happy and called Longhorn today to receive a message that the tech support folks had forgotten that we were down. If you decide to go with this company demand a 40% 30% 30% payment schedule, holding 10% of their final payment is not enough to even get the time of day from them with their standard 20 40 30 10% schedule. So as it stands now they have 90% of my money and I have no battery backup, no solar feeding into the system when the Grid power is turned Off and a very unhappy wife. I'm not very happy either and today my patience has ended also.

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Alexandra McLarty | Grapevine, Texas | 09/26/2022

Could have been worse, but that's the best I can say

I would love to leave Longhorn a good review, but unfortunately I just can’t. The sales process was clear and smooth, but installation was, frankly, a nightmare. I’ve had many companies work on my house, and Longhorn is by far the least responsive and least reliable company I’ve worked with. I regret selecting them, especially since I’ll need to rely on them to service the system in the future too. I should have canceled my contract at the first sign of trouble. Don’t make my mistake. My install date was pushed back multiple times over two and a half months with little to no communication. I didn’t even know our late May date was canceled until no one showed up on the day the project was scheduled to start, even though I’d called and emailed my project manager multiple times that week to confirm it (she never returned my calls or emails). When installation was finally set to begin, there were issues immediately. Despite claiming they only use in-house teams, a subcontracted company installed my panels. The battery team from Longhorn and the subcontracted panel team were not on the same page, and in fact didn’t even know about each other at first. It took over a month and a half from the panels and batteries beginning installation to finally being completed. During that time, my voicemails and emails were almost never returned. I learned that I had to catch someone in the office if I wanted a response, but that I had to call outside of their daily morning multi-hour all hands meeting, where no one in the office is accessible at all. Even when I was rarely able to catch my project manager on the phone, she was almost never able to tell me anything other than that she’d ask her manager at the next day’s all hands meeting and call me back. Which, of course, regularly didn’t actually happen. When someone would finally be scheduled to come finish installation, usually 1-2 weeks out if I was lucky, they often failed to show up at all or didn’t send enough people to complete the work, meaning things would be pushed out another week or more just to get another appointment scheduled. It took over 3 weeks (and multiple missed or canceled appointments) just to get someone to come back out to commission the batteries when the panels were finally done. When my system failed the QC inspection, I almost cried out of frustration knowing it would take weeks and dozens of calls to get things fixed (which it did). I spent hours every week just trying to reach someone and get on their schedule. Fortunately, Danny became involved in the project towards the end. While he wasn’t able to single-handedly fix all of the issues Longhorn has and things haven’t been smooth even with his help, it was refreshing to be able to reach someone reliably and to be in contact with someone with the ability to get things rolling. I appreciate his efforts. I can’t imagine how much longer my project would have taken to finish without his help. When installation was finally complete, I was told someone would walk me through my system and that I’d receive an owner’s manual. It’s now been over two months and despite several requests, I haven’t received either of these things. With all of these issues, I’ve received a few vague apologies but no other efforts to make things right. As a business owner myself, if a customer had experienced all the issues I had, they’d be looking at a hefty discount at a minimum. Unfortunately, one of my batteries is already broken. It took over a month from reporting the issue to get someone out to work on it, and now a new battery has to be ordered, which will take at least another month. I understand that Longhorn has staffing issues currently. I would hope that a responsible company would adjust their project schedule to only take on the work that they can handle, but it feels to me that Longhorn’s goal is profit first, customer satisfaction dead last. I hired Longhorn for my project despite them being one of the higher quotes I received due to their formerly excellent reputation. I wish I’d gotten what I paid for.

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Leo | Plano, Texas | 09/04/2022

Broken inverter 2 times in 3 months, system still down

Terrible experience with longhorn solar, got an inverter broken 2 times in 3 months. System still down. Total uptime for the system is not even 75% a year, which pretty much renders a 16kw battery useless. When offered them to amend to contract to account for their lack of support/warranty, they rejected it. Worst investment was not solar, when it works is great, worst investment was picking longhorn solar as the installer. Just stay away. Remember, my system is still broken. It was a $37,000 system paid in full in cash. But they don't care about that since I already paid. They claim there are logistics problems, with supply chain issues. However they continue to install new systems while mine is down. So it is not about a supply chain, but about priorities. Again, just stay away from them.

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Service types


Residential solar - Grid tied

Commercial solar - Grid tied

Residential solar - Hybrid solar systems

Energy monitoring

About Longhorn Solar, Inc.


Longhorn Solar Mission: To make solar accessible to anyone who desires it by providing the best products at the best prices and installation by the most qualified TEAM that exists.

We achieve this mission by:

1. Doing extensive research on the products that we provide to give you the peace of mind that you are only seeing products with a Tier 1 rating and have been vetted for bank-ability. Bank-ability is important because a warranty from a company that is out of business is worth nothing.

2. Using our buying power to get the best price for the best production. There are some panels out there that claim to be a better product because of higher efficiency. Higher efficiency does not equal better. It equals more expensive. In the end, higher efficiency means they produce more electricity in a smaller space for a higher price. To make solar more accessible we have chosen slightly lower efficiency for a lower price.

3. Employing the highest trained staff in Texas. Longhorn Solar invests in training at every level. Currently, we employ several team members who hold NABCEP Solar certification in Texas. We are also one of the only companies to provide a 12 week training class for all of our new Account Managers. When you speak to a Longhorn Solar Account Manager, then you can rest assured that we know what we are talking about. We would be honored with the opportunity to provide you with a Solar System quote and then installation.

Office locations


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- Pflugerville

1421 Wells Branch Pkwy 110, Pflugerville Texas, 78660

Certifications


Solar Energy Industries Association American Solar Energy Society Contractor Check Solar Power World

Licenses


Texas Electrical Contractor License TECL 27514. ME – 456210

Contact Longhorn Solar, Inc.


Location pin
Head Office
1421 Wells Branch Pkwy 110, Pflugerville Texas, 78660