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Sierra Madre, CA

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GEM Plumbing

3.2 (59 reviews)
Closed • 7:00 am - 4:30 pm

Services - GEM Plumbing

Plumbing inspection

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Recommended Reviews - GEM Plumbing

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1 year ago

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1 year ago

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8 months ago

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3 years ago

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2 years ago

They did a wonderful job today and even patched the dry wall. They were professional and kind workers their price was unbeatable

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5 years ago

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3 years ago

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5 years ago

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6 years ago

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7 years ago

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9 years ago

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7 years ago

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5 years ago

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14 years ago

These guys are great!! Called about a main drain problem at noon. 2:30 everything done. That is what I call service.

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7 years ago

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11 years ago

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19 years ago

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5 years ago

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6 years ago

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7 years ago

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13 years ago

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15 years ago

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18 years ago

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11 years ago

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12 years ago

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10 years ago

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14 years ago

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Ask the Community - GEM Plumbing

Review Highlights - GEM Plumbing

“At 12:15, Esteban from Gem called to ask if I was home and if he could come over in about 15 minutes.”

Mentioned in 3 reviews

Read more highlights

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Diamond Air Services

Diamond Air Services

(71 reviews)

We're sitting inside cool and comfortable on a hot June day, thanks to the incredible team at…read moreDiamond who replaced our old broken 5-ton AC with a smaller, more energy efficient modern Mitsubishi heat pump system. A huge thanks to Anthony and Tiffany for coordinating all the logistics, Anthony in particular was so helpful from start to finish, always available, responded immediately to any question, and just made the whole process incredibly easy. An especially big thanks to our installer Bobby and his crew who did such an exceptional job carefully removing the old system and doing a beautiful install of the new one. They also completely reworked the AC closet, moving the system forward and sealing everything off cleanly, what was once a poorly converted linen closet now has potential for usable space behind it. Whereas the old system sounded like a jet engine taking off, the new Mitsubishi is astonishingly quiet, the condenser is outside our bedroom and you hear literally nothing. It works flawlessly and has been keeping the house perfectly cool through what's shaping up to be a hot summer. This was not an easy install either. The house, like many older homes, is full of quirks and Diamond did an amazing job working around all the pitfalls that come with squeezing a central HVAC system into a house not originally designed for one. Everyone at Diamond was a total pleasure to work with and have in our home. Their pricing was fair and reasonable and the quality of their workmanship is just excellent. If you need any kind of HVAC work done I highly recommend reaching out to Anthony and the Diamond team. Thanks so much guys!

Great experience! Mike and Hau were professional, knowledgeable, and trustworthy. They explained…read moreeverything clearly, answered all of my questions, and made sure the job was done right. They were able to fix a problem where a different HVAC company told me a new AC unit was needed. The quality of their work was excellent, and the pricing was fair. I really appreciate the great service and would definitely recommend Diamond Air Services to anyone needing HVAC work.

Let’s Chill HVAC - In closet furnace.

Let’s Chill HVAC

(57 reviews)

5 stars for Kevin!…read more Our AC unit suddenly wasn't cooling, so we contacted the business, and Kevin was able to come out within just 2 hours! He was super friendly and attentive, and he even kept us updated with his ETA, which was definitely a huge plus and very helpful. When he arrived, he did a diagnostic on the unit. It turned out the pressure was perfectly fine, and all we needed to do was change the filter because it was extremely dirty and was causing the AC to not blow cool air. Here's the crazy part: my fiancé had called another company the night before, and their technician gave us a $1,100 quote for "high maintenance" on the unit. I showed the quote to Kevin, and he was completely honest with us and told us that our AC was working perfectly fine and that we didn't need any of those services! I'm honestly so glad I called Kevin. As someone who doesn't know much about AC systems, it's easy to feel pressured into paying for services you may not actually need. This experience was a great reminder to always get a second (or even third) opinion. As for Kevin, you can absolutely trust his honesty, professionalism, and genuine willingness to help. We didn't even ask him to get the filters for us since Home Depot was just around the corner, but he was so kind that he stopped by later and dropped off the filters for us! Highly recommended! We're definitely saving his contact information for any future AC repairs.

Highly recommend Kevin for AC repair! Our AC stopped working and he was amazing from start to…read morefinish. He even came out on a Sunday, which we really appreciated, and was able to diagnose the problem and get everything fixed right away. Kevin was professional, knowledgeable, honest, and his pricing was amazing--especially compared to what you normally expect with an emergency AC repair. He didn't try to upsell or overcharge us and explained exactly what needed to be done. It's hard to find someone this reliable and reasonably priced. We'll definitely be calling Kevin for any future AC issues and recommending him to friends and family. Thank you, Kevin!

Aire Serv of Pasadena

Aire Serv of Pasadena

(115 reviews)

I have owned this 50-year-old house for 23 years. Originally in poor shape, we did a lot of work on…read moreit, including a new A/C system, installed by Mr. Bryant himself (may he rest in peace). Bryan of Aire Serve came by on Tuesday (at my request) to look over and test my A/C unit. Not that anything was malfunctioning, but we had not inspected it for over six years. I thought the duty cycle was a bit longer than usual, perhaps indicating a loss of refrigerant. Bryan is well trained, polite, and professional. As an engineer, I like to see the data, and it turned out all the parameters (pressures, temperatures, current draw, etc.) were within normal ranges. I suppose the hot weather recently, taxed my system some, resulting in the longer duty cycles. I have stored photos of all the data readouts which Aire Serve provided me subsequently. Aire Serve has been doing our HVAC maintenance for over 10 years, and I could not be more satisfied with their service and personnel.

Subject: Andy D. unprofessional Conduct and Price Gouging…read moreThe technician initially stated he would inspect the unit to diagnose the problem and provide a price estimate. However, after the inspection, he admitted he did not know what was wrong. Instead of a proper diagnosis, he offered a series of speculative part replacements, warning me that if the first parts didn't work, he would have to replace more at an additional cost.He said he found 3 part that no working but inorder to continue I have to pay him now $600+out of $1,300+ before he replace them. I agree to let him replace because he said he found this 3 to be broken. He proceeded to replace the 3 parts but later said they don't work. I asked him why they don't work he just say don't know. I ask him is there any power? He said no. He told me the part that suppose to supply have no power. I told him that he should know how to check them not asking me. He told me the power supply part cost about $400 so, I have to continue because I already spend $1,300+ for 3 inexpensive parts, charging me nearly $2,000, yet the issue remained completely unresolved. He is now claiming I need to replace the main board for an additional $1,600+. Why don't he just tell me ahead that I might have to replace everything which cost almost the same as brand new units. At that time he said even he replace that $1,600 board it still night not work.This is unacceptable, predatory behavior. Fortunately, the entire interaction was captured on my security camera. I am filing this report to BBB and X warn others about these scam tactics and to demand accountability. I will consult the Sheriff. I have someome coming to inspect it. People in this city don't want this kind of scammer around. I told you my baby is sick but you only think about scam me. note: "I pay to have my air conditioner inspected so you can tell me what is wrong with it, not the other way around." Note: update to match the time line (10/10/26) 4.28pm. I expect you to tell me what's wrong with my AC unit not me telling you. You are the professional isn't it?

GEM Plumbing - plumbing - Updated October 2026

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