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    Doctor Piper

    4.9 (190 reviews)
    Open 7:00 am - 8:00 pm

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    I thought I had submitted a review for Dr. Piper a year ago (immediately after they completed my whole house repipe) but in looking them up on Yelp today to refer them, I realize I had forgotten. Thus, this review comes a little over a year late however I can say we've had zero issues/complaints since our repipe job. They provided us quotes to repipe using copper or pex and both quotes were extremely reasonable. (The best of the five other repiping companies who bid). They often say you sacrifice price for quality (or vice-versa) but not in this case. Dr. Piper's knowledge and attention to detail were second-to-none. They did not take any shortcuts, did A+ work, and offered us the best price of any competitor by far. Dr. Piper also took additional time to drape and protect other areas of our house during the job. I recall thinking it was a bit overkill to spend so much time draping until my wife waked in and shared how thrilled she was around their thoughtfulness in protecting our home. Finally, Dr. Piper even provided drywall repair (which saved us the trouble of finding another contractor). I give them one of the highest endorsements I've ever given anybody!

    michael l.

    I recently had my entire house repiped by Dr. Piper, and I am incredibly happy with the results. From the start, their communication and attention to detail were excellent. Peter, who was our main contact person answered all of our questions thoroughly and patiently, and also took the time to explain the entire process to me. He was readily available to take our phone calls when questions would arise. I received estimates from other repiping companies, and Dr. Piper's estimate was pretty competitive in comparison. However, I chose them for a few reasons. First, they have been in business for a long time and have done several repiping jobs. Second, they pull all of the necessary permits and have a proper city inspector check their work. This gave me a peace of mind knowing that they are doing their best work to ensure that the repiping job passes inspection. Other companies I considered did not do either of these things. Lastly, they use high-quality commercial grade L Type copper piping. Rudy and his team were very professional. Even though I was away on vacation during the project, Rudy was very careful of our home. He left everything clean and tidy when they were finished for the day. Rudy even made sure to take pictures of the project and kept in touch, giving me updates while I was away. They also did a great job of patching up the our walls after all the repiping was completed. I highly recommend Dr. Piper to anyone that needs their services. They are professional and experienced company that provides excellent customer service and high-quality workmanship. They have perfect ratings for good reason. They simply are the best.

    Before (apologies for the bare walls, we were in a process of installing drywall)

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    Review Highlights - Doctor Piper

    Peter was very informative and what I was impressed with was they also did the drywall and texturing.

    Mentioned in 31 reviews

    Read more highlights

    Aloha Solar Power & Electrical Services

    Aloha Solar Power & Electrical Services

    5.0
    (196 reviews)

    I procrastinated getting solar for way too long, and I'm really glad I finally did it through Aloha…read moreSolar Power. They installed a full solar panel system plus two Tesla Powerwall batteries for us, and the entire process was excellent from start to finish. They were very straightforward, easy to work with, and never overly salesy, which I really appreciated. The install went smoothly, and the crew, Jorge, Isaac, Cesar, D'lo, and Thomas, did an awesome job. Gabe, the owner, has also been super responsive with any questions along the way. I had a really positive experience and would definitely recommend Aloha Solar Power to anyone considering solar.

    First off, we did not taking getting solar lightly. We spoke to about 8 different companies in…read moreperson (Semper, Baker, Stellar, Optimum, and a couple others I can't remember now). First and foremost Gabe at Aloha Solar was the ONLY one where it didn't feel sales pitchy. He went to college for this, believe he grew up off grid on Maui and you can tell right away he's knowledgeable and a straight shooter. Not to mention he had the best pricing and deal out of every other company! Gabe made us feel comfortable with our decision, gave us all the information we wanted, and actually drove out to our house multiple times to chat when we had additional questions and concerns. Is Aloha a smaller company, yes, but will Gabe answer your call when needed, yes! Fast forward install happened within a couple weeks of signing the deal. Minas was the head installer it seemed (all people are internal employees with Aloha and work is NOT contracted out, that was a big seller for us), and two other guys Rigo and Matt. All were super nice and very professional. Minas walked me through everything at the end, and major bonus points once he installed the piping going from battery to roof, he asked if I had paint that matched the exterior of my house. I did, and he then painted all of the piping! I know he did not have to do that, so that was a fantastic touch. If you're thinking about solar, trust me, I did the research and I spoke to all of the sales people. GO WITH ALOHA! You will NOT be disappointed. Thanks to Gabe and the team!

    Sunline Energy

    Sunline Energy

    4.7
    (616 reviews)

    Review Update: After…read moremy initial review, Eric (the sales rep) and Matt (the owner) of Sunline personally reached out to me and was apologetic about the situation. They sent Travis out promptly, who is their electrician where he found that the issue was resolved by replacing a faulty 40-amp breaker that was intermittently providing the necessary voltage, even though measurements initially appear correct. While the breaker issue caused real inconvenience and unexpected costs on my end, the owner was responsive and showed willingness to smooth things over to work toward a resolution. I also want to highlight that the panel upgrade and solar/battery installation itself was clean and well done. The workmanship that Eddie, Manny, Christian and Jamie performed had overall met my expectations, and once the issue was identified, Sunline did step in to correct it. No project is perfect, but how a company responds when problems arise matters a lot. In this case, Sunline's owner and Eric was engaged, responsive, and made a sincere effort to make things right. As an engineer, and after witnessing the symptoms and corrective actions firsthand, I believe the breaker issue was likely a manufacturing defect, and it was unfortunate that it occurred during the holidays. That said, based on how Sunline handled the situation, the overall quality of their work, and the value they offer, I would recommend them and plan to continue using them for future needs.

    I couldn't be happier with my experience at Sunline Heating and Air! Their team removed my old…read moreheating system and installed a brand new heat pump system, along with a smart thermostat. The entire process was smooth, professional and surprisingly fast. For the first time, I now have air conditioning in my condo, and I don't have to swelter in the summer heat. The new system works great, is easy to control from my phone, and has made a huge difference in my comfort. The installation crew was knowledgeable, courteous and left everything clean when the job was completed. In addition, the price was very competitive. In my opinion Sunline offered excellent value for the quality of work provided. If you're considering upgrading your HVAC system, I highly recommend Sunline Heating and Air. They offer outstanding service, great pricing with fantastic results.

    Stellar Solar

    Stellar Solar

    4.7
    (708 reviews)

    With the help of Stellar Solar we got approved via SGIP for a battery system to go with our solar…read morepanels. Joseph and Robert did a great job installing everything, including getting all the wiring run through the attic.

    This company did a fantastic job and I couldn't be more pleased. I shopped around and from the…read morestart the rep Jeff Warren was so likable and straight forward I knew it was "most likely" going to be the company I went with. As I continued to shop around, I realized the customer service, follow-ups and my many questions put this company at the top. I signed and they gave me an approximate timeline. It was seamless and "almost" right on the projected time frames. Through the process they kept me up to date and were available for a few questions I had along the way. The installation crew came out and they were EVEN better than the customer service and sales rep. Eduardo Naranjo needs a promotion and a raise. The man was so humble, genuine and all around a great guy. He dealt with my kids and many dogs with no fear lol. He was professional and kept me apprised of everything the crew was doing. At then end of the installation I was sad to see the man and his team go because they were so personable and efficient. The install of my panels and batteries looks way way better than I could have imagined. I already had existing solar that I liked. But this new system blows it out the water. Anyway. Love Stellar Solar and very happy with my new system!

    Cosmic Solar

    Cosmic Solar

    4.9
    (136 reviews)

    Cosmic installed our solar system back in 2014, and we have never had any problems with it. Over…read morethe years, our 30 yo roof began giving us problems, and we didn't want anyone else to remove our solar panels, so called on Pey and Cosmic to come out and take a look at it. He explained what they could do to fix and update it, gave us a quick turnaround on a quote, and we were sold. The team came out and removed the panels, did a lift and relay on the roofing, replaced the felt underlayment and rake and ridge tiles, and added O'Hagin vents. The roof looks like a new roof and we couldn't be happier. The Cosmic office kept us updated throughout the process. Big thanks to Pey for answering all our questions and keeping in touch with us, and Eddie and the roofing team and Hector and his solar team for being so courteous, cleaning up each day and doing such an excellent job. Thank you Cosmic!

    Absolutely do not use this company!…read more I signed a contract with Cosmic Solar & Roofing to install Solar Panels on a ADU we are building. I gave an initial deposit and was told the next step would be to pull permits. What actually happened next was they came onto my property and installed solar panels on the ADU without ever contacting me, making an appointment, or getting any kind of approval. They never spoke to me once -- they just showed up and did the entire installation without my knowledge. It wasn't until they contacted me demanding full payment that we realized they had installed the Solar Panels. ( again this is on an ADU so I never even knew someone was on the property working) They have now demanded full payment and have filed a mechanic's lien against my home even though the system is not operational and the permit has not been signed off. I made numerous calls and emails to Pey and the owner Bahram Shadzi and did not receive any response. This behavior is outrageous. I have now filed a complaint with the Contractors State License Board. Stay far away from Cosmic Solar & Roofing.

    GR8 Energy

    GR8 Energy

    4.2
    (61 reviews)

    While I did have a bad experience with GR8 Energy previously regarding help with an enphase…read moregateway, I found out that this was due to the company going out of business for a time due to the challenging political climate solar installers and homeowners have found themselves in. After posting my initial review, the owner did reach out to me and help direct me on how to get help, which in my case was simply utilizing the warranty through Enphase. Further more, I have recently used GR8 Energy to install a home battery system for emergency backup power and as a way to minimize my electric bill. GR8 Energy thoroughly answered all my questions and helped build a system which matched my needs and expectations within a budget that I was comfortable with. Installation and detail to work went seamlessly and the work crew were polite, respectful, and ensured that I understood how to use the Enphase App to manage my battery system. To conclude, I was very pleased with the sales and installation experience, and have been so far pleased with the new home battery back up system. I will also add that aside from the one issue with the gateway connection from over a year ago, I have had no issues with my solar panels or inverters for over 4 years now.

    GR8 Energy is one of the best installers in Southern California. If you were shopping for an…read moreexcellent solar installer, this is one of the best you could ever find. If you seek solar installation, I advise you to make an appointment with GR8 Energy and have them visit your property. Ross Flocker is an exception to the system and provides precisely what's needed. Look at his plan and know it's the best one, no matter what you hear from anyone else. Ross is a family man with an excellent reputation among his peers and workers. You can't do any better than that! When you can put your children through college, you're doing better than many people, and Ross is one of those people. I will say ever since I was in first grade. I have always wanted to be an electrical engineer, so I admire those who are. My personal business is investment in the US stock market, some ups and some downs. (Rewritten 06/21/2023)

    West Coast Heating Air Solar

    West Coast Heating Air Solar

    4.9
    (1.4k reviews)

    We had a full HVAC installation that included removing the old units, relocating the new units from…read morethe garage to the attic, moving the thermostat, installing all new ductwork, and cleaning and replacing all vents. It was a Big job, and I must say the West Coast team did an excellent job. Communication was great throughout, and the entire team was a pleasure to work with. We had a couple of other companies provide quotes, and West Coast beat them all! They were reliable, professional, and affordable. The installation went smooth and passed all inspections with flying colors! Thank you to the West Coast Team for the Great service!

    Uriel Blancas is the HVAC tech who did the spring maintenance re-check today and he did an…read moreexemplary job. 10/10, FIVE STARS IN ALL ASPECTS. TIMELY- Uriel called 30 min before his arrival and then, arrived at the stated time. This is particularly helpful so I can move my bunny to another room with all of his belongings. ATTENTION TO DETAIL - I saw him place a protective cloth down on the floor before he placed the ladder and tools down. I also noticed there was a bottle of cleaner with his supplies. He cleaned the inside vents as well as the compressor on the roof. He also tied off a loose wire/when checking the air handler in the ceiling. KNOWLEDGEABLE and THROROUGH - Uriel did a complete system check and then, he sat down with me to explain what was done and why. He addressed the concerns I had about some of the prior readings in terms that I could understand and shared tips that will help ensure my system runs at its most efficient. Example: A higher MERV doesn't always mean "better" and can actually restrict the airflow. He said that for my particular system I should use a MERV10 filter and change it every 3 months. He changed my filters and then, left me with two spares to use before the fall check comes. FRIENDLY - In the course of chatting with Uriel, it came up that I might benefit from having more filtered air coming into my condo. He made a recommendation for a part that would replace the standalone room air purifier I currently use. He placed this info into the after-visit summary so I can "research it and see if it fits with my needs and finances." There was zero pressure to make a purchase on the spot. And while this next item has nothing to do with the knowledge or ability of an HVAC tech, I greatly appreciate that he did NOT smell like cigarette / e-cigarette smoke or strong cologne as I have a bunny and people in my family have asthma. Thank you, Uriel, for a job well done.

    Doctor Piper - plumbing - Updated July 2026

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