I can't say enough good things about ACS, the company that installed our Tesla solar roof. After hearing countless horror stories from friends and online reviews about botched solar installations--delays, shoddy work, and unresponsive companies--I was bracing myself for a nightmare. Instead, ACS turned what could've been a stressful process into a seamless, professional experience from start to finish. Right off the bat, their team stood out. Before we even committed, they took the time to analyze our electric bill and walk us through the financials, ensuring the investment made sense for us. They laid out several financing options and were incredibly flexible when we needed a little extra time to secure the funds--no pressure, no hassle. Once we gave the green light, they didn't miss a beat. The crew showed up on time every day, worked fast, and tackled the job with precision. Even with a few rainy days slowing things down, they wrapped everything up in just four weeks--an impressive timeline for such a big project. The installation itself? Flawless. Our Tesla solar roof integrates perfectly with the Tesla app, so we can track exactly how much power we're generating daily--it's honestly kind of addictive to watch. There was zero damage to our house, and the work was so clean you'd never guess a major installation had just happened. Every concern we raised (and there weren't many) was addressed immediately with clear communication and solutions. ACS proved that when it comes to solar, it *really* matters who you choose. They're not just installers--they're pros who care about getting it right. If you're considering a Tesla solar roof, do yourself a favor and go with ACS. I highly recommend them! read more

See all

Hands-down the best home-improvement experience I've ever had I started shopping for solar last year with a healthy dose of skepticism. Friends warned me about pushy sales tactics and leaky roof penetrations, so I interviewed four different companies. From the very first phone call, Advanced Conservation Systems, Inc. felt different. Their energy consultant, Nash, showed up exactly on time, climbed on the roof to measure shade, and patiently walked me through three design options--no pressure, no gimmicks. He even pulled out my last year of utility statements and explained, in plain English, how California's new net-billing rules would affect my payback. The contract itself was crystal-clear. Every dollar of equipment, labor, and permit fees was spelled out, and the right-to-cancel language was right up front (a rare sight in home-improvement paperwork). Once I signed, ACS handled the entire permitting rodeo with the city and the utility--no "can you call the building department" chores dumped back on me. Installation week was a breath of fresh air. A crew of four NECA-qualified electricians rolled up each morning at 7:30, greeted my kids, and laid drop cloths over the patio furniture before lifting a single tool. Conduit runs are ruler-straight; roof flashings are tucked under shingles so neatly that my home inspector called it "textbook." By Friday afternoon we passed inspection on the first try, and the crew even blew the leaves off my driveway before they left. When Permission to Operate arrived, Jerry from ACS FaceTimed me, flipped the breakers, and walked me through their monitoring app. Watching that graph climb while my air-conditioner hummed away was pure joy. One month later, my Edison bill showed a 91 percent drop in grid usage--almost spot-on with ACS's estimate. (I may have done a little victory dance in the kitchen.) The real test, though, came two months later when my inverter chirped about a firmware update. I texted the service line at 8 a.m.; by lunchtime a tech had patched the unit remotely and called to make sure the alert cleared. That level of follow-through is why I trust these folks. Solar is a big investment, and I expected at least a few headaches. Instead, ACS turned a scary, technical project into something genuinely enjoyable--and profitable from day one. If you want honest advice, meticulous workmanship, and a team that treats your home like their own, save yourself the comparison shopping and call Advanced Conservation Systems. They've earned every one of these five stars, and then some. --A very happy homeowner, August 4, 2025 read more

We just had ACS install our power walls and solar panels. The work they did was fantastic. A very professional and courteous installation team. I highly recommend them! read more

We contracted over a yeat ago to instsll solar, still not completed. My power has gone of many times in several rooms. Three of my appliances hve had the control panels go due to power surges ,according to the repairman.I had to replace my freezer. It could not be repaired Over a year later, there is still a hole in my stucco and the process is still not finished. read more

After having some issues with the previous two technicians who were sent out, the company finally reached out to address the situation. They sent a new technician who not only identified the issues the earlier techs missed, but also detected a serious fault that was causing the AC motor to release carbon monoxide into our home. Thankfully, this was caught in time before it became a bigger safety concern. The company promised to fix all issues for free if I updated my review, and as of today, they have resolved the problems. I appreciate that they took the initiative to reach out and make things right. I'll be updating my review if any further issues arise, but for now, I acknowledge their efforts to correct the mistakes and improve the situation. read more

Manny and his crew did a professional job we couldn't be more pleased. We would recommend Manny

Worst decision ever. I wish I never would have answered the door when they knocked. They promised no electric bill and never mentioned that I would not have enough panels to power my house. Never mentioned they don't sell you enough batteries to store power for your home. The best part is they forgot to mention that now on top of my NORMAL power bill I still have to pay monthly that once a year I get an additional $1,800 bill from Edison for having solar! So in trying to get rid of an $800 a month power bill in the summer I have the same power bill plus the $500 solar payments and the $1,800 in January. Please do not be fooled by the solar scam as I was. read more

This company went above and beyond! They are very responsive and do quality work. Brandyn and his associates were there to guide us through the process from beginning of the project to the end of the project. I highly recommend this company and I'll be referring them to everyone i know. read more

Although the installation was done on time, and it was functional, a manufacturer's defect kept my water heater tank from running optimally, it took a few weeks to get the part from the manufacturer. Brandyn was very helpful with a problem I was having after my water heater was installed. He went above and beyond to figure out what the issue was and his help was invaluable and much appreciated. I would recommend this company. read more

So a week and a half ago on 11/19/2020, I woke up in the morning to a knock on my door from a kind stranger alerting me that water was gushing down my roof from my solar panels for the pool! I immediately ran to the back to see a huge rush of water coming down in my backyard. Once we shut the water pump off, we contacted the company to alert them that we had an emergency and it needed to be fixed iimedietlybas this was unacceptable. Why is there this huge leak in a system that was installed in August of this year? Andrew, a salesman from the company contacted me and informed me that they ONLY do house calls on Fridays and that there were 10 people ahead of my issue so it wouldn't be fixed for a while. 1 of which, had a leak as bad as mine and they were still waiting to be seen. I asked what II was suppose to do in the meantime and was told to just shut off my pump till they could get to it. He told me he would call me back once he figured things out on when a technician would come to my home. The day went on and I didn't hear back so I wrote this review and then all of a sudden I got a call that Andrew was coming out to speak to me. I told him that it was already late so he should wait until tomorrow but he insisted he was coming over to turn off the water heater. He came over at 630pm, and showed up very agitated because he saw the yelp review and was upset that I had posted something when he said, "I'll call you back" and I didn't wait for him. He asked me to delete the review until the problem was fixed. I agreed in the meantime. He proceeded to turn the water heater off and then told me that the reason there was a leak was because we didn't turn off the heater for the winter so a piece had broken off because it got 30+ below in my area. (For reference, I checked the weather app for 10 days previous and it never got below 45 on the coldest days). No one ever told me that I would need to be turning off the heater completely at some point. When I had the panels installed, the company should have made me aware on how to maintain the product considering it cost over 8000$. Eventually when the technician was able to come out, he told me that the piece breaking had nothing to do with the temperate drop. He told me that the piece broke because of the pressure and he needed to actually place a bigger replacement on it. Luckily the technician fixed the problem for me and let me know what the actual issue was. Still ultimately very disappointed.. read more

Advanced Conservation Systems - Solar Installation Near Me - Lancaster, California

I appreciated that everyone always wore masks & observed COVID-19 protocols. Everyone who worked on the project was courteous, knowledgeable, & easy to communicate with. They were very thorough & worked to give 110% of service & workmanship. It took a little more time to finish the project partly due to the pandemic & sometimes to make sure that we received the very best technologies & spent extra time to make certain that the workmanship was perfect. I was very eager to finish the project & I am very satisfied with this company. I would recommend ACS to anyone who is considering solar energy. read more

I had placed my order with Tesla 2 years ago for my ADU and every time I contacted them to get an installation day they gave me the run around then said they can't install until final when clearly told them I can't get final per the city inspector UNTIL solar is installed. They still refused to install so I called ACS spoke with John and he and his team went above and beyond to complete the work within one week! Will definitely use them again for my other properties! Thanks John and team! read more

This company did work at my home on August 2021. Electric solar panels, solar panels to heat my swimming pool & a tankless water heater. Upon completing the job, they installed the tankless water heater incorrectly leaving the exhaust pipe exposed spewing toxic gas into my car garage. I needed to hire a real plumber to come to my home to have that fix, which cost additional money $606.00 dollars. The company hasn't given me any of my invoices for the equipment installed. The tankless water heater come with a $1,000.00 dollar rebate from SoCalGas but I can't get my rebate due to the fact that I don't have my invoice to present to SoCalGas. So just let me let me recap, the tankless water heater was installed incorrectly which I payed an additional $606.00 to have that fix. I don't have any of my invoices for my equipment so I can't get my rebate from SoCalGas. The time to apply for the rebate has expired. So I'm out of all of these items. The company is now ignoring my phone calls and emails, asking to be reimbursed and to hand over all of my invoices.I would not recommend this company to anyone on planet earth. read more

Steve Jenkins installed my Solar System almost 25 yrs ago and it still works beautifully today. I called him for help today, July 26, 2022, to see if he could help out with a heater setting and Tom (who answered my call) was very helpful and found a way to transmit my specific inquiry (pictures of the system and control panel) for help. read more

I just got my first electric bill and it was a credit of -$139.00 so I am thrilled that the solar is saving us money. John is great . I can call him anytime with questions and he was always available. They also put in solar pool heating which keeps my pool warm. We would definitely recommend them read more

Advanced Conservation Systems - My 40 solar panels. - Solar Installation Near Me - Lancaster, California

Installation was 2 days and professional. Good quality and efficient

I was a bit skeptical about the power of solar panels to significantly reduce my electric bill. But six months after ACS installed it, my bill has shrunk dramatically. I am very happy about that. Andrew, Tom, John and Matt did a great job. They installed the panels and an upgraded electric meter in one day, with no hassles or interruptions. Their price and financing were fair and I have no hesitation in recommending them. read more

ACS did an excellent job on the installation of my new Pool Solar System! They were very professional and not only thorough but also easy to work with. Panels work awesome and we don't have to worry about a high electrical bill and/or swimming in cold water! I definitely give them a 5-star rating and would gladly recommend them to my family and friends! read more

We had solar panels installed 3 years ago. System is for pool heating and came with a FULL 12 YEAR WARRANTY. The first time we had them out, less than a year old, because of a leak, there was no charge. The very next year, same leak, they charged $100.00 for a so called trip charge! We argued that this was a warranty call, but they would not waive the charge! This year - same thing! Leak in the same place, had to have them out $100.00 charge! I will never recommend this company to anyone! They install defective systems and then charge to repair them! read more

Advanced Conservation Systems - Solar Installation Near Me - Lancaster, California

I had an ACS solar system installed with my pool about 6 years ago. We hit 9 degree's a few winters ago (5) and a leak developed. ACS came out and fixed the leak. Their service has been great. Here is an example of solar temps "I gained "12 degree's" an "hour" in my "SPA" yesterday using my ACS system (4-6-14). The temps were as follows: outside temp 65 degrees, the pool temp was 56 degrees before activating solar at 10:00 am. By 1:30 (with the outside temp being 76 degrees) my spa was at 96 degrees using nothing but solar heat In the summer on a hot day I can gain 8 degrees in my "pool" easily..but I can also lose 6 degrees at night easily. If I were to use a pool cover I could retain almost 80% of my heat gains. Propane was $4.49 this year (ouch) it was so nice not to have to use propane to heat my spa. Update: 5-7-14 I have received a bill for $95.00 (almost a month later..??) I am currently waiting for Ann to return my call. Their Techs were very nice people, top notch. But management needs to brush up on their communication skills. I had to contact Corporate to have a matter settled. Also on a finer note. When my pool was built the owner of ACS tried to charge me an extra 10% because it took so long to build my pool 2+ years and that prices had gone up. I guess my 5K in his bank account for 2+ years was over looked. He did not want to honor our contract, which is "not" the way to do business. Update (3-22-16): they are a local company, and I hope their customer service has improved..and I have cooled off. A.V. needs businesses like this one...although I do my own repairs on my solar system (when the time comes). Also their cost to winterize a solar system is pricey..but they do have overhead, the techs are "great" people. read more

If you're looking for solar pool heating, then ACS is your perfect choice. They installed our Heliocol system awhile ago and since we've been extremely pleased with how it heats our pool. Recently we had some questions about the system and Mr. Andrew Brown from ACS came out to advise us. He came to us wearing a mask and maintained a proper distance as he reviewed our situation and arranged our service. I highly recommend you seek him out to help you with all your solar needs. read more

I demanded that you install the upgrade at your cost???? This is a complete lie! I never stated that. The biggest problem with your company is Ann. BTW,,,I see you addressed my language I used. This is true. I was pissed and Ann was not helping me. I asked for her supervisor and she kept refusing to put me in touch with one. When the supervisor came on the line, his excuse was Ann wears her emotions on her sleeves. What kind of business is this? Funny how you did not address my other problems I mentioned in my post. Good luck with your company. I would not recommend to anyone I know. read more

I have a down payment of $600 and was told I would be contacted regarding a start date for replacement of my pool solar. After 2 weeks I had not even heard when they would start. I called and the lady who answered the phone was rather rude about when I could expect a call. I appreciate the work they finally performed but I think people like to have some idea of a start date, especially when a sizable deposit is made. read more

This company helped me take my orphaned solar system and upgrade it to a higher level. I added a backup battery and a few additional panels (as my husband needs medical equipment on non-stop) and they are now monitoring my system. They were straight and to the point and make sure my system is running optimally. read more

I want to say about this this services this company, I love this company they did amazing job especially John he help me the most every steps it was hard to get it finally we finish our project! !! love my solar thanks all the team ! Especially John thank you guys read more

We looked at a few different solar companies, but went with ACS because what they were offering was a more complete package for energy efficiency, including insulation and windows. For the price of what others had for just solar, we were able to upgrade our home's energy usage in a more meaningful way. Living in a older house, it has made a huge difference to the internal temperature of the home and the need to run heating and air conditioning to begin with. Our rep Andrew was communicative throughout the process, as was the owner Tom. Not to say there weren't some issues along the way, for instance we had to switch financing companies because of the structure of the loan, but ultimately got a better rate anyway. Ultimately we are happy with the work done, the way it was scheduled and the precautions that the workers took for Covid as well. read more

We did a lot of shopping around, and ACS by far beat all others in the antelope valley by at least 3,000$!!! Their installers are very professional and courteous, and the office was helpful and kept us up to date. The system looked great, and the salesperson answered my questions and was friendly. Thanks acs!!! read more

They were awesome from A-Z! Perfection! Andrew was awesome

I had an old solar system for my pool on my roof that started to leak a lot because of being weathered so I called ACS and a couple other places to get quotes. ACS was the easiest to work with and gave me the best quote. They did everything in a timely manner and very clean. The quality of the materials appear to be very good also. read more

I would like to issue 5 stars to this professional company. Not only is the workmanship of a 5 star standard but so is the leadership of the company. Owner Tom and office manager Kathleen were both experienced, knowledgeable and professional. They were able to solve patiently and completely what initially was thought to be a difficult re-install of solar panels. Do not waist your time with other companies or individuals that may suggest they can handle your solar needs. These are the professionals you will want to work with to get the project done correctly and with confidence all industry guidelines have been met. Make sure you get a complete cost quote in writing before you being. That is the correct way to do any job. They are clear and will answer all your questions. They were able to assist with special materials needed to maintain full operation of the solar system. I highly recommend Advanced Conservation Systems, Inc.. J. Weeks read more

Sales consultant Pablo answered all my questions was courteous and helpful. I'm very satisfied with the company's service. Professional and well done read more