About Arnett's Water Systems | Since 1993
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About Us

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Arnett’s is a family-owned and operated business established by San Diego native, Eric Arnett. Arnett’s has been serving the communities of San Diego since 1993 and we plan to stay for a lot longer. We are licensed by the California State License Board under Lic. # 681254.

For the first 12 years of our existence, our business survived strictly on customer referrals and included both commercial and residential remodels, new construction, service and repair. In 2005, we made the decision to switch our scope of service to strictly tankless. We felt that it was important that we offer an alternative for consumers to save money on their energy bills as well as using products that are environmentally-friendly.

With over 21 years experience in the plumbing industry we take PRIDE in our QUALITY workmanship and have the training and expertise to achieve the highest level of customer care, reliable service and consistent quality.


In 2014, after identifying the emergent need for water filtration systems due to a poor water quality we find in San Diego, Arnett’s decided to remodel its business and start offering not only Tankless Water Heaters but also a whole line of Water Filtration Systems. And from this change on we are now Arnett’s Water Systems, your Tankless and Water Filtration specialist in San Diego.

Mission and Value


To offer the best service in San Diego County with reasonable price.


  • Customer Commitment
  • Quality
  • Integrity
  • Teamwork
  • Respect for People 
  • Personal Accountability


If you’re considering having a tankless water heater or a water filtration system installed into your home or business, just give us a call and schedule a visit. We’ll be happy to assist you and your family!