Furnace Services

Servicing Furnaces in the San Francisco Bay Area

Over 1,000
Trusted Reviews

CastleWorks Home Services
CastleWorks Home Services
4.7
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Types of Furnace Services We Offer Near San Francisco

  • Changes in temperature can wreak havoc on your home furnace system over time, which may lead to carbon monoxide entering your house
  • To prevent costly repairs and ensure the comfort in your home, contact CastleWorks Bay Area professionals for an efficient furnace repair diagnostic
  • Is your home feeling more chilly than usual even though the furnace is on
Family sitting on couch

Over 1,000
Trusted Reviews

CastleWorks Home Services
CastleWorks Home Services
4.7
powered by Google

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We’re Here to Give You Peace of Mind

  • 24/7 Customer Service
  • BBB Accredited A+ Rated, 100% Satisfaction Guarantee
  • Flat Rate Pricing by Experienced Professionals
844-484-5175

  • $75

    Sale Price

    $75 Air Duct Repair Diagnostic

    • We will come to your home • Diagnose the problem with your air ducts • Provide a comprehensive report on the problem • Present you with personalized solutions on what to do next • Hours are 7AM to 5PM Monday- Friday. Closed Weekends and Holidays • 100% satisfaction guaranteed • NO service call fees. NO dispatch fees.

    Offer Expires

  • $75

    Sale Price

    $75 Air Duct Sealing Service Proposal + Comprehensive Report

    • We will come to your home • Diagnose the Problem with Your Air Ducts • Provide a Comprehensive Report on the Problem • Perform Our Air Duct Sealing Service • 100% satisfaction guaranteed • Hours are 7AM to 5PM Monday- Friday. Closed Weekends and Holidays • NO Service Call Fees. NO Dispatch Fees.

    Offer Expires

  • $75

    Sale Price

    $75 Mini-Split Repair Diagnostic

    • We will come to your home • Diagnose the problem with your ductless mini-split system • Provide a comprehensive report on the problem • Present you with personalized solutions on what to do next • Hours are 7AM to 5PM Monday- Friday. Closed Weekends and Holidays • 100% satisfaction guaranteed • NO service call fees. NO dispatch fees.

    Offer Expires

  • $199

    Sale Price

    $199 Mini-Split Tune-Up

    • Get our total comfort system tune-up • 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 • NO service call fees. NO dispatch fees.

    Offer Expires

  • $75

    Sale Price

    $75 Heat Pump Repair Diagnostic

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

    Offer Expires

  • $125

    Sale Price

    $125 Heating System 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! • 100% satisfaction guaranteed • NO service call fees. NO dispatch fees.

    Offer Expires

  • $75

    Sale Price

    $75 Heating System Repair Diagnostic

    • We will come to your home • Diagnose the problem with your heating system • Provide a comprehensive report on the problem • Present you with personalized solutions on what to do next • If we do the work we will waive the diagnostic charge! • 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

  • $75

    Sale Price

    $75 Furnace Repair Diagnostic

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

    Offer Expires

  • $75

    Sale Price

    $75 Whole-Home Dehumidifier Repair Diagnostic

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

    Offer Expires

  • $75

    Sale Price

    $75 Whole-Home Humidifier Repair Diagnostic

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

    Offer Expires

  • $99

    Sale Price

    $99 Whole-Home Dehumidifier Repair Diagnostic

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

    Offer Expires

  • Free Proposal

    Free Dehumidifier Install Proposal

    • We will come to your home • Analyze your new whole-home dehumidifier installation needs • Present you with 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

  • $99

    Sale Price

    $99 Whole-Home Humidifier Repair Diagnostic

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

    Offer Expires

  • Free Proposal

    Free Humidifier Install Proposal

    • We will come to your home • Analyze your new whole-home humidifier installation needs • Present you with 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

  • $99

    Sale Price

    $99 Air Duct Repair Diagnostic

    • We will come to your home • Diagnose the problem with your air ducts • Provide a comprehensive report on the problem • Present you with personalized solutions on what to do next • Hours are 7AM to 5PM Monday- Friday. Closed Weekends and Holidays • 100% satisfaction guaranteed • NO service call fees. NO dispatch fees.

    Offer Expires

  • Free Estimate

    Free Air Duct Replacement Proposal

    • We will come to your home • Inspect the air duct design in your home • Present you with a comprehensive report with our findings • Hours are 7AM to 5PM Monday- Friday. Closed Weekends and Holidays • 100% satisfaction guaranteed • NO service call fees. NO dispatch fees.

    Offer Expires

  • $99

    Sale Price

    $99 Air Duct Sealing Service Proposal + Comprehensive Report

    • We will come to your home • Diagnose the Problem with Your Air Ducts • Provide a Comprehensive Report on the problem • Perform Our Air Duct Sealing Service • 100% satisfaction guaranteed • Hours are 7AM to 5PM Monday- Friday. Closed Weekends and Holidays • NO Service Call Fees. NO Dispatch Fees.

    Offer Expires

  • $99

    Sale Price

    $99 Mini-Split Repair Diagnostic

    • We will come to your home • Diagnose the problem with your ductless mini-split system • Provide a comprehensive report on the problem • Present you with personalized solutions on what to do next • Hours are 7AM to 5PM Monday- Friday. Closed Weekends and Holidays • 100% satisfaction guaranteed • NO service call fees. NO dispatch fees.

    Offer Expires

  • Free Proposal

    Free Ductless Mini-Split Install Proposal

    • We will come to your home • Analyze your new ductless mini-split installation needs • Present you with 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

  • $99

    Sale Price

    $99 Heat Pump Repair Diagnostic

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

    Offer Expires

  • Free Proposal

    Free Heat Pump Install Proposal

    • We will come to your home • Analyze your new heat pump installation needs • Present you with 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

  • $125

    Sale Price

    $125 Heat Pump 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

  • Free Proposal

    Free Heating System Install Proposal

    • We will come to your home • Analyze your new heating system installation needs • Present you with personalized solutions on what to do next • Financing options available! • 100% satisfaction guaranteed • NO service call fees. NO dispatch fees.

    Offer Expires

  • $125

    Sale Price

    $125 Heating System 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! • 100% satisfaction guaranteed • NO service call fees. NO dispatch fees.

    Offer Expires

  • $99

    Sale Price

    $99 Heating System Repair Diagnostic

    • We will come to your home • Diagnose the problem with your heating system • Provide a comprehensive report on the problem • Present you with personalized solutions on what to do next • If we do the work we will waive the diagnostic charge! • 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

  • $99

    Sale Price

    $99 Furnace Repair Diagnostic

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

    Offer Expires

  • $125

    Sale Price

    $125 Furnace 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

  • Free Proposal

    Free Furnace Install Proposal

    • We will come to your home • Analyze your new furnace installation needs • Present you with 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

  • Free Proposal

    Free Smart Thermostat Install Proposal

    • We will come to your home • Analyze your new smart thermostat installation needs • Present you with 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