Thermal Zone Commercial Water Heater Repair & Installation in Los Angeles in Pasadena, CA
Expert Thermal Zone commercial water heater repair & installation in los angeles service for businesses in Pasadena.
- Tank and tankless water heater service
- Energy-efficient solutions
- Emergency repair service
- Installation and replacement
Why Choose ColdCommercial?
For over 30 years, we've kept Southern California businesses cold, comfortable, and open for business.
First-Visit Fix Rate
Our stocked service vehicles and experienced technicians fix most issues on the first visit.
Same-Day Service
Need it now? We dispatch immediately and arrive ready to work with all necessary parts.
Brand Expertise
Certified on 30+ major brands including Hoshizaki, True, Daikin, and more.
Licensed & Insured
Fully licensed, bonded, and insured for your protection and peace of mind.
You focus on your customers. We'll keep the temperature perfect.
Whether it's a walk-in cooler, blast chiller, or rooftop HVAC unit, we design, install, and maintain systems that protect your business operations and reduce energy costs.
Professional Thermal Zone Service in Pasadena
ColdCommercial is Pasadena's leading provider of Thermal Zone commercial water heater repair & installation in los angeles repair and maintenance. We understand the local business environment and provide rapid response. Reliable hot water is essential for restaurants, hotels, healthcare facilities, and many commercial operations. Our commercial water heater services ensure consistent hot water supply for your business needs. We service all types of commercial water heaters including tank storage water heaters, tankless water heaters (on-demand), commercial-grade point-of-use heaters, and high-efficiency condensing units. Our experience includes Bosch and other leading commercial water heater brands. Commercial water heaters work much harder than residential units, requiring professional installation, regular maintenance, and expert repairs. High-demand applications stress components and require experienced technicians for reliable service. Common water heater problems include no hot water, insufficient hot water, temperature fluctuations, leaks, unusual noises, pilot light issues, and sediment buildup. We diagnose and repair gas valves, heating elements, thermostats, pressure relief valves, and all other components. Tankless water heaters provide endless hot water and take less space but require different service expertise. We service all aspects of tankless systems including descaling, flow sensor cleaning, burner maintenance, and heat exchanger service. Our water heater installation service includes proper sizing for your hot water demands, equipment selection (tank vs tankless), professional installation with gas and water line connections, expansion tank installation, proper venting, temperature and pressure relief valve, and complete system testing. Preventive maintenance for commercial water heaters includes flushing sediment, testing temperature and pressure relief valve, checking anode rod (tank heaters), inspecting burner operation, testing thermostat operation, and checking all connections for leaks. Regular maintenance extends water heater life, improves energy efficiency, prevents catastrophic failures, and ensures consistent hot water for your operations. Commercial water heaters can last 10-15 years with proper professional care. ### Serving Pasadena and Surrounding Areas From Old Pasadena, Playhouse Village, South Lake to the rest of Pasadena, we provide rapid response times. Providing top-tier commercial service to the Pasadena area, including businesses around Rose Bowl. We cover the entire Pasadena region, utilizing I-210 and SR 134 for rapid response to service calls.
Frequently Asked Questions
What Our Clients Say
Based on 47 Google Reviews
Mirasol Lumando
a month ago
I highly recommend this AC repair company! They did an excellent job fixing my air conditioner — fast, professional, and very reliable. I also had my commercial freezer repaired by them, and just like before, the service was top-notch. Their team really knows what they're doing, and they always make sure everything is working perfectly before they leave. Definitely the best repair service I've worked with!
Evgeny Skakov
2 months ago
We had an issue with our walk-in freezer and these guys were amazing. They showed up quickly, diagnosed the problem right away, and had everything up and running in no time. Professional, knowledgeable, and very easy to work with. Highly recommended for any commercial refrigeration needs!
Tatiana S
3 months ago
I had a great experience with this company! Booking was easy and the staff were super helpful from the start. The tech showed up on time, explained everything in plain words and fixed the problem fast. Prices were fair. I definitely recommend this repair service if you need to solve the problem quickly.
Silver Reign
2 months ago
Called them to service a commercial ice machine. They were able to send out a technician the next day. He was able to diagnose the issue and fixed the machine. He also stayed for a few cycles, to make sure the issue was resolved.
StopBye Café
4 months ago
We found this company on Google. Iriana is excellent customer service. Alex is genius. He repaired 2 of our refrigerators that had major issues. He found the issue and he fixed it immediately. Request for Alex for sure.
F G
5 months ago
Have a small commercial fridge that was running constantly so needed a check up. seemed the thermostat was broken. got a new one as well as a cleaning of the condensor. working well now hope the electric bill will go down. After a few months I noticed the fixed fridge didn't seem to be working optimally still and had them send a tech out to check. turns out it's a 13 y o fridge with all original parts. a good sign but also a sign that on the original inspection that tech probably should have checked the coolant levels. long story short, turns out after checking the levels were low and more was added. it now is really working as it should. The best part of this review is that after paying, I thought about it more and called them asking for some sort of reduction on the bill as it all could have been addressed in the first visit. I thought only paying for 1/2 of the service fee visit (not the coolant of course) would be a fair compromise. after thinking it over on their end they actually reimbursed me for the entire service fee. I am impressed at their level of service, customer service and business sense.