Servicing San Diego for Tankless Water Heater Installation Since 1995

  • $99

    Sale Price

    $99 Tankless Water Heater Repair Diagnostic + Same-Day Service

    • We will come to your home • Diagnose the problem with your tankless water heater • Verify error code history with manufacturer's support team • Provide a comprehensive analysis on the problem • Present you with personalized solutions on what to do next • 100% satisfaction guaranteed • Same day service available on most days in most areas. Call for details! • NO Service Call Fees. NO Dispatch Fees.

    Offer Expires 3/31/

Hear What Others Are Saying About CastleWorks Home Services

CastleWorks Home Services
CastleWorks Home Services
4.7
Based on 1096 reviews
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Dave d'ArtenayDave d'Artenay

01:25 08 Jan 23
He replaced a water heater and did a great job. He was very polite and cleaned up the area after completion. He was very accurate for the time needed to complete the job. He... explained everything before and after the job. Thanks!read more

Craig FalkenhagenCraig Falkenhagen

02:07 21 Oct 22
Gerardo arrived promptly, clearly explained the options we had for a new replacement water heater and then got to work on the installation. His courtesy and professional... demeanor were exemplary. We would gladly have him come back again. Thanks a million Gerardo! Perfect service and performance.read more

Jamie VargyasJamie Vargyas

18:30 24 Sep 22
Andras was courteous, efficient and very clean. He explained everything in detail and answered all my questions knowledgeably. Castle is top notch professional service. My... new go water heater comes with a 10 year warranty. Awesome work!!!read more

Chris ParraChris Parra

20:11 16 Sep 22
I would highly recommend this business. we had an emergency water heater leak, and they arrive to fix it very promptly within two hours. The technician, Julian Did a... fantastic job, explained everything that needed to be done, and did a great job. I highly recommend him and the company.read more

Jerry ShawJerry Shaw

22:48 28 Aug 22
They replaced our water heater and installed some new venting and water piping. Also, new valves. Julian was great at what he did as well as being a very nice person. The... company was somewhat pricey though, as I was charged $4,287.00 for the new equipment and installation. Also, I wasn’t given an itemized receipt, although I was told I could call the company and ask for one.read more

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Choosing the Right Tankless Water Heater Install in San Diego

  • Tankless heaters save you space a tank would take up in your home
  • Tankless heats water on demand, cutting down on your energy bill in the long run
  • Based on your location, gas or electric fuel source setup
  • Heater options include a range of 2 – 4 gallons per minute depending on your need

Whether you know exactly what you’re looking for out of a water heater or need help to determine what kind you need, our experienced professionals will help you make the right choice.

844-484-5175
Worker greeting woman at front door

  • $99

    Sale Price

    $99 Tankless Water Heater Repair Diagnostic + Same-Day Service

    • We will come to your home • Diagnose the problem with your tankless water heater • Verify error code history with manufacturer's support team • Provide a comprehensive analysis on the problem • Present you with personalized solutions on what to do next • 100% satisfaction guaranteed • Same day service available on most days in most areas. Call for details! • NO Service Call Fees. NO Dispatch Fees.

    Offer Expires 3/31/

  • $499

    Sale Price

    $499 Tankless Water Heater Tune-Up + Same-Day Service

    • We will come to your home • We'll provide a system flush and descaling of the system • Inspect and test your tankless water heater system • Replace pressure relief valve • If your system breaks down within 6 months of service; • We’ll come out at no cost to figure out the problem • We’ll give you priority scheduling service • Credit the original maintenance charge toward the repair! • 100% satisfaction guaranteed • Same day service available on most days in most areas. Call for details! • NO Service Call Fees. NO Dispatch Fees.

    Offer Expires 3/31/

  • $99/Month

    Tankless Water Heater Install Low as $99/mo + Same-Day Service

    • We will come to your home • Diagnose your existing water heater system • Analyze your new tankless water heater installation needs • Analyze new gas electric venting T & P drain and condensate requirements • Present you with personalized solutions on what to do next • Financing options available! • 100% satisfaction guaranteed • Same day service available on most days in most areas. Call for details! • NO Service Call Fees. NO Dispatch Fees.

    Offer Expires 3/31/

  • $179

    Sale Price

    $179 Tankless Water Heater Repair Diagnostic

    • We will come to your home • Diagnose the problem with your tankless water heater • Verify error code history with manufacturer's support team • Provide a comprehensive analysis on the problem • Present you with personalized solutions on what to do next • 100% satisfaction guaranteed • Same day service available on most days in most areas. Call for details! • NO Service Call Fees. NO Dispatch Fees.

    Offer Expires 3/31/

  • $199

    Sale Price

    $199 Tankless Water Heater Tune-Up

    • We will come to your home • We'll provide a system flush and descaling of the system • Inspect and test your tankless water heater system • Replace pressure relief valve • If your system breaks down within 6 months of service; • We’ll come out at no cost to figure out the problem • We’ll give you priority scheduling service • Credit the original maintenance charge toward the replacement! • 100% satisfaction guaranteed • Same day service available on most days in most areas. Call for details!

    Offer Expires 3/31/

  • $99/Month

    Tankless Water Heater Install as Low as $99/mo

    • We will come to your home • Diagnose your existing water heater system • Analyze your new tankless water heater installation needs • Analyze new gas electric venting T & P drain and condensate requirements • Present you with personalized solutions on what to do next • Financing options available! • 100% satisfaction guaranteed • Same day service available on most days in most areas. Call for details! • NO Service Call Fees. NO Dispatch Fees.

    Offer Expires 3/31/