Servicing San Francisco for Mini Split Repair Since 1995

  • $75

    Sale Price

    $75 A/C Repair Diagnostic

    • We will come to your home • Diagnose the problem with your A/C system • Present personalized solutions on what to do next • 100% satisfaction guaranteed • Hours are 7AM to 5PM Monday- Friday. Closed Weekends and Holidays • 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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Common Issues We Address for San Francisco Area Residents

  • Ineffective heating
  • Inefficient energy use
  • Create zoning to allow for individual room or zone control, which means you can set different temperatures for different areas of your home or commercial space.
  • Easy installation

Experiencing another issue not listed? Our trusted professionals in the Bay Area can help you identify the problem and work to identify a solution.

844-484-5175
Replacing filter on wall-mounted A/C unit

  • $75

    Sale Price

    $75 A/C Repair Diagnostic

    • We will come to your home • Diagnose the problem with your A/C system • Present personalized solutions on what to do next • 100% satisfaction guaranteed • Hours are 7AM to 5PM Monday- Friday. Closed Weekends and Holidays • NO service call fees. NO dispatch fees.

    Offer Expires 3/31/

  • $125

    Sale Price

    $125 A/C Tune-Up

    • If your system breaks down within 6 months of service we’ll come out at no cost to diagnose the problem • We’ll give you priority scheduling service • Credit your original maintenance charge toward the repair! • Hours are 7AM to 5PM Monday- Friday. Closed Weekends and Holidays • 100% satisfaction guaranteed • NO service call fees. NO dispatch fees.

    Offer Expires 3/31/

  • Free Proposal

    Free A/C Install Proposal

    • We will come to your home • Analyze your new A/C installation needs • Present personalized solutions on what to do next • Financing options available! • Hours are 7AM to 5PM Monday- Friday. Closed Weekends and Holidays • 100% satisfaction guaranteed • NO service call fees. NO dispatch fees.

    Offer Expires 3/31/

  • $99

    Sale Price

    $99 A/C Repair Diagnostic

    • We will come to your home • Diagnose the problem with your A/C system • Present personalized solutions on what to do next • 100% satisfaction guaranteed • Hours are 7AM to 5PM Monday- Friday. Closed Weekends and Holidays • NO service call fees. NO dispatch fees.

    Offer Expires 3/31/

  • $125

    Sale Price

    $125 A/C Tune-Up

    • We will come to your home • If your system breaks down within 6 months of service: • We’ll come out at no cost to diagnose the problem • We’ll give you priority scheduling service • Credit your original maintenance charge toward the repair! • Hours are 7AM to 5PM Monday- Friday. Closed Weekends and Holidays • 100% satisfaction guaranteed • NO service call fees. NO dispatch fees.

    Offer Expires 3/31/

  • Free Proposal

    Free A/C Install Proposal

    • We will come to your home • Analyze your new A/C installation needs • Present personalized solutions on what to do next • Financing Options Available! • Hours are 7AM to 5PM Monday- Friday. Closed Weekends and Holidays • 100% satisfaction guaranteed • NO service call fees. NO dispatch fees.

    Offer Expires 3/31/