From a cold shower to a leaking tank, call a local team that works on water heaters every day. We repair, replace, and install tank and tankless systems across Greater Los Angeles.
Natalia Calvo started working in her father’s water heater business in 2006. Two years later, she started On Call Water Heaters. The company still focuses on the work she grew up around, from getting hot water back after a breakdown to planning the right replacement.
When you call, tell us what changed. We’ll ask a few questions and talk through the next step with you.
Mishelle called after searching for a water heater specialist in Pasadena. She remembers Natalia answering her questions and explaining what to expect.
MC
Mishelle C.Pasadena service call
★★★★★
“kept me updated on the arrival time”
Shengyu described a same-day appointment and praised the technician who replaced the heater.
SZ
Shengyu Z.Same-day replacement
★★★★★
“The job is done right, priced fair”
Anthony turned to Natalia and the team for water heater installations and tankless conversions over several years.
Yes. Have your ZIP code, the model or fuel type, and a description of the issue ready. A photo of the unit can help when the scope is clear enough for a quote.
Do you offer same-day service?
Same-day appointments may be available. Call with your location and the type of service so we can check the schedule and equipment.
Are you available after hours?
Our phone line is available 24 hours a day for urgent water heater calls. Call to confirm dispatch timing for your address.
Should I repair or replace my water heater?
Consider the condition of the tank, the cost and availability of parts, previous repairs, and the age of the equipment. We can help compare the two options after discussing the issue.
Talk to a specialist
Let’s get your hot water back.
Call with your ZIP code and water heater details. We’ll talk through your options.
ON THE ROAD IN GREATER LA