1. Mauzy Cooling, Heating, Plumbing, and Electrical

1. Mauzy Cooling, Heating, Plumbing, and Electrical

0

El Cajon, CA

Mauzy Cooling, Heating, Plumbing, and Electrical

3.6 (757 reviews)
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Still looks new, top of line Rheem too!

Standing by workmanship! 7 year old system 50% low on refrigerant. They had to fill again a year or two after install and never followed up. Now they saying it on me. They wanted over 3k to diagnose the leak?? TAKE IT FROM THIS VET. Don't go with Mauzy. Sheesh it's no wonder they are barely over 3.5 SMH!

Fancy Van; unresponsive service.
Laurie I.

Won't use them, for sure! -I called Mauzy after hearing their name for so long. I had a rep come to see my projected furnace/AC replacement. The guy was nice enough. Late, but finally called to let me know. When done with inspection / site visit- he said he'd get the quote to me the next day. I said great but even a few days would be fine. A week later, nothing. I sent a note to their email reminding. They replied they'd get it done. Another week... nothing. Again, an email to their customer team. Nice reply, but no quote. Another week and another email to finally get a project quote. Obviously, my $20k isn't important to them. Now- wouldnt use them if they were the only company out there. Funny, I keep getting texts and emails asking if they can book and move forward with project! Ha!!! Where is old school customer service? Gone.

Two different sizes of the winged wire connectors.

This Five Star review is only for Mauzy technician, Nathan Benge, who did the diagnostic on my Lenox combo system of heat pump and gas furnace on December 30, 2025. I had a combo system of a heat pump and a furnace, Signature Collection, which were installed last year by Mauzy. For those of you don't know much about Lennox models, Signature Collection is the top-of-the-line of the Lennox brand and yes, they are expensive and did have few issues right after the installation! Last cold Sunday morning, 12/28/2025, my Lennox thermostat S40 stopped working. There was no power to the unit! I contacted Mauzy on Monday and got an appointment with a technician named Nathan Benge on Tuesday morning to visit my home and to diagnose the problem. I'd like to mention the following positive notes from the time the Nathan on the way to my home to the time the he finished the job: 1/ It's very helpful to me receiving the status update when the Nathan was on the way and tracking information (including the estimate time of the arrival) of Nathan's vehicle. 2/ After listening to me about the past and current problems of the installed Lenox unit, Nathan verified no power to the Lenox thermostat S40. He, then, went up into the attic of my home, unplugged the unit main power cord from the outlet, and started checking on the connection of the electrical wires inside the unit. He found one of the wires being loosen from the undersized winged wire connectors (past workmanship?). Nathan reconnected the wires with a larger size winged wire connector and plugged the unit main power cord back to the outlet. The unit was powered on and the thermostat S-40 was also back on! 3/ At my request, Nathan also did the following works: (a) Re-checked the internal wiring to the circuit board in the blower unit (there were 4 exposed stripped copper wires at the connection to the board). He confirmed they're O.K. (b) Did a visual check on the flame in the furnace. (c) Found a temporary solution to reduce the vibration noise from the heat pump by using the electrical wire jacket to separate the plastic component from the metal frame of the heat pump. (d) Researched and explained the message "Ambient Lockout", which showed under the "Status" tab of the Lennox app. He explained how the heat pump and the furnace operate when the "Ambient Lockout" message showing up in the app. Noted that I had asked the same questions to previous 5 Mauzy technicians, managers, local Lennox sale representative, and calling Lennox Customer Support. No one was able to answer or explain to me the meaning of the message "Ambient Lockout"! Even worse, all I got back from Lennox Customer Support were two case numbers and no follow-up from Lennox Technical Support. I was also told last March (2025) that Lennox Technician covering southern California region (from Bakersfield to the border) would visit my home, checked out the installed unit, and addressed some of the issues that I had with this top-of-the-line Signature Collection unit, but they've never came! In conclusion, Nathan Benge did a great job!

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6 months ago

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3 months ago

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3 months ago

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1 year ago

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9 months ago

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1 month ago

scheduled a plumbing repair and didn't come of even notify of delay. i cancelled the appointment and will go elsewhere.

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3 months ago

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1 year ago

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6 months ago

Enrique was GREAT! He came out and quickly assessed the issue and fixed our problem. Thank you and we will use your services in the future!

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2 months ago

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2 months ago

Wilber Carrasco, did a fantastic job on all my plumbing needs and was very professioal.

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6 months ago

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2 years ago

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5 months ago

my first 360 inspection of my HVAC. Michael came to do the work and made a great impression.

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3 months ago

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Ask the Community - Mauzy Cooling, Heating, Plumbing, and Electrical

Review Highlights - Mauzy Cooling, Heating, Plumbing, and Electrical

Cody Mauzy prepared a comprehensive proposal with (3) clear options with different systems and price points.

Mentioned in 15 reviews

Read more highlights

CML Plumbing

CML Plumbing

4.9
(97 reviews)

If you are looking for a Plumber look no further. My experience with CML Plumbing and their staff…read morewas way more than expected. My initial phone call was meet with a very friendly and helpful receptionist. I'm sorry I don't recall her name. My issue was a small gas leak to my stove that was only accessible through the cabinets next to it. I was put in contact with their technician Chris who was able to come out that same day. He was outstanding. Personable, friendly, knowledgeable and professional. He explained what the problem was and why the gas valve was leaking. He replaced the valve in no time at all. My bill turned out to be much lower than I expected. I highly recommend CML Plumbing. You won't be disappointed.

I feel compelled to share my experience so others don't end up in the same position. I reached out…read moreto this company for help locating a hidden leak, explaining everything in detail and even providing a video to help them understand the issue. When the technician arrived, he took a quick look, flashed a light around, and glanced under the crawl space--but never actually went in to investigate. After a few minutes, he told me he couldn't find anything and suggested a costly camera inspection. At that point, I asked him a question about our dishwasher, and he ran a wire through it, pushing out a bit of food buildup. It was a small fix, and I was grateful for the help. Then came the shock--he told me I owed him $200. I was stunned. For what amounted to a flashlight glance and a quick poke at the dishwasher, it felt incredibly excessive. I was home alone and felt pressured to pay, but I walked away from that interaction feeling completely taken advantage of. Thankfully, we contacted a second plumber who actually took the time to go into the crawl space, snake the main line, and diagnose the real issue--without charging a dime for the inspection. He gave us a fair quote, fixed the problem properly, and even installed a two-way sewer cleanout. That's the kind of service that earns long-term trust. I don't normally write reviews like this, but I want others to know: do your homework. There are honest, hardworking professionals out there. Sadly, this company wasn't one of them. Reach out to Andy at Flow Right.

Flow Right

Flow Right

5.0
(81 reviews)

After receiving three quotes from plumbing companies, including one that ultimately contradicted…read moreits own pricing and initial quote, I decided to choose Flow Right. The first two quotes were only going to replace the metal pipes under my house and line the inside of the pipes that run from the yard out the street (keeping the old metal pipes). But for the same price, Flow Right did a complete replacement of ALL pipes with new, non corroding ABS pipes. And not to get into the whole backstory, but there was a small request that was that was verbally agreed to that I thought they might renege on. But they kept their promise and completed the task at no extra charge as per our agreement. I appreciate their honesty and ethical behavior. I cannot express how pleased I was with their work and professionalism. The whole team was amazing. And nothing was over promised. They did exactly what they said they would for an extremely competitive price.

I had a plumbing issue at my commercial property recently and it turned into a three-day…read moreordeal--until I was referred to Flow Right. Initially, I contacted my usual plumbing company. They came out but told me I needed to pull the toilet so they could jet the main line since I didn't have a clean-out. I did exactly as instructed, but they couldn't return the same day due to scheduling. The next day came... and they never showed. I later found out their truck had broken down. By the third day, I was put in touch with Flow Right, and that's when everything changed. Jess arrived right on time, immediately put a camera down the line to investigate, and explained every step clearly. His professionalism and knowledge were on another level. I learned that Flow Right typically handles major plumbing, sewer repairs, and renovation projects--not the simple small jobs. Jess stepped in as a favor to help out his family business and to help me out of a difficult situation, and I truly appreciated it. I was extremely impressed with the service. Jess is someone I will absolutely keep in mind for any large plumbing or renovation projects in the future. Highly recommended!

Mauzy Cooling, Heating, Plumbing, and Electrical - hvac - Updated July 2026

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