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Claim This BusinessWater Heaters Only, Inc has been keeping Riverside County homes warm since 1968, making it one of the oldest dedicated water heater contractors in the Inland Empire. The company holds an active California plumbing license and maintains full insurance coverage while serving residential and commercial clients across a region that spans more than a dozen cities including Riverside, San Bernardino, Corona, Fontana, and Rancho Cucamonga. With a 4.8-star rating drawn from 189 customer reviews and phones answered around the clock every day of the year, the team has completed over 1.2 million water heater service calls since their founding more than five decades ago.
What distinguishes this contractor is their singular focus on water heating systems and their willingness to guarantee price competitiveness on written bids. The company specializes in both traditional tank-style units and tankless water heaters, offering 0% introductory APR financing for qualifying homeowners who need immediate replacements. They promise same-day service throughout the Inland Empire with no extra charges for evening, weekend, or holiday calls, a policy that shows up repeatedly in customer feedback about emergency situations.
Customers consistently mention specific technicians by name when describing their experiences. A reviewer named Cindy F. praised Marcus for his friendly, thorough approach during an estimate and installation. Another customer, Arnie Rios, described getting a same-hour arrival from salesman Paul and installer Danny, noting the team upgraded his piping and installed a 50-gallon Bradford White unit with a drip pan and plywood base. Marissa Larriva mentioned technician Alexis Garcia brought her mother's aging system up to current code while explaining every step. These named interactions illustrate a company culture where individual technicians build lasting relationships with clients across Riverside County.
Every reviewer awarded 5 stars, with technicians named in 6 of 8 sampled reviews. Customer stories cluster around three themes: same-day arrival during emergencies, technician transparency about costs and process, and installations involving upgrades to larger capacity units or tankless systems. The oldest reviewed interaction dates to early January 2025.
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| ThursdayToday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Diagnostic and repair services for all fuel types including gas, electric, and tankless units, available 24/7.
Complete removal and installation of new storage tank or tankless water heaters with permits and code compliance.
Specialized installation, maintenance, and repair of on-demand tankless systems for residential and commercial properties.
Rapid response for failed water heaters with no charges for evening, weekend, or holiday calls.
0% introductory APR financing options for qualified homeowners needing immediate water heater replacement.
Installation and repair services for businesses across the Inland Empire including restaurants and multi-unit housing.
In-home evaluations and competitive quotes before any work begins, with price-matching guarantees.