Tankless Water Heater Service, Repair & Installation in Lubbock, TX and Surrounding Areas

Endless Hot Water with Energy-Efficient Tankless Solutions

Experience the future of water heating with tankless technology that provides endless hot water while saving you money on energy bills. At Duncan Heating & Air Conditioning, Inc. & Plumbing, we specialize in professional tankless water heater services, from expert installation to reliable repairs. Discover why Lubbock homeowners are making the switch to efficient, space-saving tankless systems.

Our Tankless Water Heater Services

Tankless Water Heater Installation

Upgrade to endless hot water with our professional tankless system installation.

Benefits of Going Tankless:

  • Endless Hot Water: Never run out of hot water again
  • Energy Savings: 22-34% reduction in water heating costs
  • Space Saving: 80% smaller than conventional water heaters
  • Long Lifespan: Lasts twice as long as traditional tanks
  • Efficiency: Condensing models up to 99% energy efficient
  • Safety: No risk of tank flooding or leakage

Our Professional Installation Process:

  • Home Assessment: Evaluating your household's hot water needs and existing infrastructure
  • System Selection: Choosing the right capacity from top brands including Rinnai, Noritz, and KD Navien
  • Expert Installation: Licensed technicians handle gas lines, water connections, and venting
  • Code Compliance: Ensuring all work meets local building and safety standards
  • System Demonstration: Teaching you how to operate and maintain your new system

Tankless Water Heater Repair

Keep your tankless system running efficiently with our expert repair services.

Common Tankless Repair Issues:

  • No Hot Water: Ignition failures, gas supply issues, or component malfunctions
  • Fluctuating Temperatures: Flow sensor problems or mineral buildup
  • Error Codes: Electronic control board issues or sensor failures
  • Reduced Flow Rate: Mineral accumulation in heat exchanger
  • System Shutdowns: Venting issues or safety device triggers

Tankless Water Heater Maintenance

Protect your investment and maintain peak performance with regular maintenance.

Maintenance Services Include:

  • Descaling: Removing mineral buildup from heat exchangers
  • Filter Cleaning: Ensuring proper water flow and system protection
  • Component Inspection: Checking burners, sensors, and electrical connections
  • Venting Inspection: Ensuring proper exhaust and air intake
  • System Calibration: Optimizing performance and efficiency

Tankless Water Heater Applications

Residential Solutions

Perfect for homes of all sizes with flexible installation options.

Whole-House Systems:

  • Single unit solutions for average households
  • High-capacity models for larger homes
  • Indoor and outdoor installation options
  • Natural gas and propane compatible

Point-of-Use Systems:

  • Individual units for specific applications
  • Ideal for remote bathrooms or additions
  • Instant hot water where you need it
  • Complementary to whole-house systems

Commercial Applications

Powerful solutions for businesses with significant hot water demands.

Manifold Systems:

  • Multiple units linked for high capacity
  • Handles up to 300 gallons per minute
  • Scalable to meet growing demands
  • Redundant operation for uninterrupted service

Why Choose Tankless Water Heaters?

Energy Efficiency:

  • Only heats water when needed
  • No standby energy loss
  • Energy Star certified models available
  • Significant utility bill savings

Convenience & Comfort:

  • Unlimited hot water supply
  • Consistent temperatures
  • Compact, space-saving design
  • Quick recovery between uses

Reliability & Safety:

  • No storage tank to leak or flood
  • Advanced safety features
  • Durable construction
  • Long-term warranty options

Why Choose Duncan for Tankless Services?

  • Factory-Trained Technicians: Specialized training in tankless systems
  • Authorized Installer: For Rinnai, Noritz, and KD Navien systems
  • 25+ Years Experience: Expert service you can trust
  • Comprehensive Services: Installation, repair, and maintenance
  • Quality Workmanship: All work meets manufacturer specifications
  • Satisfaction Guaranteed: We stand behind every installation and repair



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