Company profile · verified 2026-06-10

Water Heaters Only, Inc.

Ranked #1 in our 2026 San Diego water heater guide — best for overall

Free listing

Water Heaters Only installs and repairs water heaters and nothing else, operating in San Diego under a C-36 plumbing license issued in 1979 and a brand history its site dates to 1968. It publishes 24/7/365 phone coverage, advertises no extra charge for weekends or holidays, and covers communities from Chula Vista to Oceanside out of branches in Santee and Vista. The service list spans tank, tankless, heat pump, and commercial water heaters.

Services

  • Repair
  • Install & replace
  • Tankless
  • Heat pump
  • Commercial
24/7 availability
Yes — company-published "Phones Answered 24/7/365"; confirm overnight dispatch vs. phone answering
Same-day service
Financing
Yes
Pricing
No prices published; advertises no weekend/holiday surcharge and a beat-any-written-bid offer

License & contact

CSLB license
#374573 · C-36 Plumbing · current and active (expires 05/31/2027) (verified against the CSLB lookup)
History
Brand dates itself to 1968; the San Diego C-36 license was issued in 1979
Address
8507 Ablette Rd., Santee, CA 92071
Service area
San Diego, Santee, Vista, Chula Vista, El Cajon, La Mesa, La Jolla, Poway, Encinitas, Carlsbad, Oceanside, Escondido, Coronado, Bonita

Observed strengths

  • CSLB license #374573 (C-36 Plumbing) verified current and active, originally issued May 1979
  • Water-heater-only specialist whose lineup includes heat pump and commercial units, not just tanks
  • Publishes "no extra charge for weekends or holidays" and a written offer to beat any written competitor bid
  • Two physical branches (Santee and Vista) covering the county from south to north

Ask before hiring

  • The homepage review badges (4.8/5 from ~5,850 reviews) are company-embedded — confirm current ratings directly on Google or Yelp
  • Warranty terms are referenced but not published; get "our guarantee" in writing before work starts
  • The "since 1968" claim refers to the statewide brand; the San Diego license dates to 1979 — ask which entity stands behind your job

Sources we checked

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