HVAC reviews in Covina, California

Marathon is top-notch. When our 30-year-old AC went out at the end of June, we called them immediately since they've been maintaining it for years. We got quotes from other companies, but Marathon's was more comprehensive and we trusted them already.

Eric, our service tech, worked with Gus to figure out what we wanted in a new unit and provide a quote. Meanwhile, Ivan, Nelson, and Saul spent an entire day during a heatwave installing the new Trane unit - impressive considering the conditions. Later, David came to service the filtration system. Every member of the team, including the office staff, were excellent.

They resolved all our issues, even going above and beyond by bringing a new unit when the one they opened on-site was returned due to a previous install attempt. They didn't bat an eyelid about the extra labor - just got the job done. We appreciate their honesty in not trying to sell us a lower-end unit that would have been easier for them to install, but would have left us with subpar results. Now we've had our new Trane unit for weeks and are thrilled with our decision on the higher-end model as well as the quality of work they put in.

For my 18-month service contract, Marathon HVAC consistently delivers. Their technicians are always polite, arrive on time, and take the time to explain what's going on with my system. Today's visit from Nino was a great example of this - he identified the issue quickly and offered a reasonable solution.

I'm grateful for his professionalism and would highly recommend Marathon HVAC to anyone in need of commercial HVAC services or repairs.

Nino was very pleasant and knowledgeable, explaining his recommendations for routine maintenance to keep our HVAC systems running smoothly. Unlike many others, he took the time to show me pictures and break down the costs of the suggested work. I've been using Marathon for years, and their service has always been reliable.

Kaila Littlejohn provided exceptional customer service, handling my call with professionalism.

The technician was highly competent and knowledgeable, clearly explaining each step they took and addressing all my queries with ease.

Luis was thorough, professional, and friendly. He broke down our system's condition in a clear manner and ensured I grasped the terms of our maintenance plan. As a long-time Marathon customer, I appreciate their organized scheduling feature, which lets me track my technician's arrival time. This helps me stay on schedule with confidence.

Marathon has been great to work with over the past few months as we got a new heat pump installed in our condo. From the initial consultation to the finished product, they've been top-notch. Gus helped us with the quote and unit recommendation, while Cesar handled all the project logistics. We had an original appointment date that got cancelled due to the fires, but everyone was super flexible and accommodating about rescheduling. The team showed up on time, were friendly, and you can tell the work quality is pretty standard compared to other units on our building's roof. We're really pleased with how everything turned out and will definitely be using Marathon again.

We were impressed with Luis's visit today. His customer service, technical expertise, and work speed exceeded our expectations. We had a new unit and the heater was making a high-pitched noise on startup. Luis quickly diagnosed the issue and fixed it promptly. He also saved us money in the process. His clear explanations and answers to our questions were greatly appreciated. He's clearly exceptional, and Marathon is fortunate to have him on staff.

I've been relying on Dependable Graham for over a decade and I've come to rely on them completely. Robert T, from the Anaheim office, is an expert who genuinely has my back. When it's time to replace my old AC and heater in my aging home, they'll do the job right. They managed to keep the originals going for 30 years - impressive! Their service and quality can't be beat.

Paul consistently delivers high-quality work with knowledgeable and reliable technicians.

I've had great experiences with Marathon HVAC over the years. Their customer service is top-notch. Technician Luis Navarro showed up on time, acted professionally, and walked me through what was wrong. He got the job done quickly and made sure everything worked properly before leaving. I've relied on them for several years and have always been impressed by their professionalism.

I called Marathon when my HVAC system went down and they sent over Robert T. He's incredibly knowledgeable, straightforward, and diligent. Another company told me my entire unit needed to be replaced, so I got a second opinion from Marathon and Robert came out right away. He thoroughly examined the system and presented my options for repair. I chose his suggestion and I'm glad it was done correctly at a fair price in a timely manner. The air conditioning is working great now that it's been fixed. Thanks to Marathon for sending their top technician! If you need reliable service, ask for Robert - he's the best.

Eric G did a great job, exceeding my expectations. The advance call let me know exactly when he'd arrive within my scheduled time frame. He turned up promptly and was tidy and friendly. His professionalism was impressive and his suggestion for improvement was appreciated. I found him to be considerate of my pet too. He's definitely the guy I'll ask for on our next visit.

Great service - fast, friendly, and knowledgeable. Very reasonable prices too.

Excellent experience with this company - quick turnaround time and top-notch service from a knowledgeable and courteous representative who impressed me greatly.

Marathon PH & AC is hands down the top choice for any home services needs. This company clearly knows what they're doing and John, the technician I worked with, was exceptional. He's highly competent, efficient, and gets to the root of the issue quickly. His work ethic is impressive - he fixes problems before you even have a chance to step outside. Trust me, don't hesitate, just call now!

Karley, Saul, and Matt replaced the old ductwork in our home, delivering top-notch service with professionalism and clear communication throughout the process.

Justin and Alvin were excellent technicians who efficiently diagnosed and resolved our issue. They demonstrated exceptional professionalism and a friendly demeanor, making the experience seamless and hassle-free.

I was thoroughly pleased with how everything fell into place. The team at Marathon Heating and Air handled the entire process with precision, from explaining the complexities of replacing our old unit to keeping us informed every step of the way. They remained in constant contact before, during, and after installation. As a business owner who's extremely particular about service companies, I don't usually write reviews, but my experience with Marathon Heating and Air was exceptional – they far exceeded my expectations!

Marathon plumbing and heating consistently deliver top-notch service for my home, thanks to their professional attitude and friendly staff. From scheduling to completion, every interaction is seamless. Justin's expertise in explaining my heating system gave me peace of mind as winter draws near; I'm confident in the quality of work they bring to my property.

Two technicians arrived and impressed with their professionalism and friendly demeanor. They explained the problem in detail and presented viable solutions, making it clear what they'd do. Overall, very satisfied with the service provided.