Water Heaters Only
Company Overview
Since 1968, our sole focus has been perfecting water heater service. No job is too big or small for our dedicated team. We maintain complete mobile inventories for efficient repairs.
Unlike general plumbers, we master one craft perfectly. Same-day service with no after-hours premiums. Five decades of unmatched local expertise.
Your satisfaction is backed by our price-beat promise. Every installation includes robust product guarantees.
When your unit leaks or fails, we respond immediately. Tankless technology holds no secrets for our crew.
Our motto says it all - ""The Crew From W.H.O. Can Do!"". Your hot water emergency ends with one phone call.
**Specializing in:**
Concord tankless water heater installations
Thermocouple and anode rod replacements
Commercial system replacements
Emergency residential replacements
Five generations of perfected service. We still answer every call with live experts. When others generalize, we excel through focus.
Business Services
- Hot water recirculation pump installation
- Hot water recirculation pump repair
- Plumbing inspection
- Plumbing installation or replacement
- Plumbing repair
- Water heater installation
- Water heater repair
Business Location & Hours
| Mon: | Open 24 hours |
| Tue: | Open 24 hours |
| Wed: | Open 24 hours |
| Thu: | Open 24 hours |
| Fri: | Open 24 hours |
| Sat: | Open 24 hours |
| Sun: | Open 24 hours |
Recommended Customer Reviews
Anna B.I just got a new water heater installed in record time a couple of weeks ago. I got in touch with them through the ""projects"" section on Yelp on a Saturday and my tech Luis came out the next day on a Sunday! I was so grateful. He was very kind, and quite funny too! Don't let the lack of reviews fool you. They have loads through Google, but I wanted to leave one here too so they don't get overlooked. Thanks for saving the day!
James B.James Bustillo - Castro Valley resident
Water Heaters Only's John Fantham did a wonderful job with our very old water heater replacement (32yr old gas water heater). Two days after Christmas and no hot water for guests to shower! WHO's John came promptly, in the time slot we were told, and did a very professional job with the installation -- taking much care not to unnecessarily disturb the old pipes to which he needed to make connections.
John explained the job in detail to us before starting and pointed out important points as the job progressed. His estimate was within $100 of the telephonic estimate we received the day before when we scheduled the appointment. No surprises, no extras, no haggling. Just getting the job done.
The whole job took only a few hours.
Am so glad that I did not try to do this job myself, as was the original plan (handy homeowner vs professional, professional wins!).
We would certainly recommend WHO, and certainly John Fantham.
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