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Upland, CA

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Hot Sun Industries

5.0 (2 reviews)

Services - Hot Sun Industries

Solar system installation

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11 years ago

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Van Lund Roofing and Solar

Van Lund Roofing and Solar

(75 reviews)

I needed a new roof and James was exceptional! He helped me understand the process from start to…read morefinish with Owens Corning cool tool. The crew was organized, thorough and cleaned up every day before they left. James made sure to consult with me if any changes needed to be done from the original plan. He's' very thorough and attentive. Increased attic ventilation has made my whole house cooler. Highly recommended for all types of roof!

OMG thank you Van Lund Roofing!!! On Friday November 14th…read morelate afternoon the rain was pouring all of a sudden we saw water dripping from my daughter's bedroom ceiling. Our house isn't that old so I was totally shocked... until I remembered we had solar panels installed few years ago. Pretty sure the installers must've cracked a few tiles walking around up there. I snapped some pictures of the leak, sent out quote requests on Yelp, and James from Van Lund replied almost instantly -- said he could be here 7 a.m. Saturday. Most other places couldn't come until Monday and more rain was coming all weekend, so that wasn't happening. James showed up right on time, found four cracked tiles letting water in, tarped everything perfectly on the spot. It poured cats and dogs Sat-Mon and we didn't get another drop inside. As soon as the rain stopped Tuesday morning, the crew was back. Replaced the broken tiles, sealed everything up, and they were done in 4-5 hours. Roof looks great and they cleaned up like they were never here. Super professional, honest, crazy-fast response, fair price, and they saved us from major water damage. James and the team were awesome to deal with. If you have a roof leak call Van Lund. Priced right and total lifesavers!! 100% recommend!!

OC Solar - Maximize your energy storage with the Tesla Powerwall 3. Property also features the sleek design of the Tesla Solar Roof

OC Solar

(475 reviews)

Oak Creek

Update for my review with OC - Savannah from customer service reached out regarding my experience…read moreand expressed regret over how things went and changes were actively happening at the company. She offered a free panel cleaning, which she set up internally and had their team come out this past Friday without issue. Since the cleaning the panels have been much better performing especially after these past few weeks of misting and rain, about 25% higher output. I didn't think much of it but I get now it's worth doing to get the most out of the panels. Overall a very good response and experience with OC specifically for this issue. I feel that they do want to stand out from the crowd and responding proactively to feedback gives me more confidence they'll take care of issues as they hear about them.

We had OC Solar install our system in February 2024 and paid in full. The install itself went fine,…read morebut now when we need warranty service, the company is nearly impossible to reach. In mid-August our system stopped producing power. We didn't find out until our utility bill came in roughly $600 higher than normal. Since then, we've sent multiple emails and submitted a service request with no response. I finally reached someone by phone and, after escalating to a manager, they committed to sending a technician today at 4pm. No one showed up and no one called. When we call back, we sit on hold, get an auto response we're being transferred to customer support, and then the line goes silent before we are ultimately sent to a voicemail service. A 25-year installation warranty means nothing if the company won't answer the phone or show up. Every day our system is down costs us money. If you're considering OC Solar, ask hard questions about how they handle service after the sale. I'll update this review if they make it right.

Hot Sun Industries - solarinstallation - Updated November 2026

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