Residential

Annual Maintenance Agreements

Our service department is dedicated to providing our customers guaranteed professional services a reasonable price that is quoted before the work is started.

At Landgraf we treat your home as if it is our own. You will be pleasantly surprised to see our technicians wearing company provided uniforms with identification, slippers when inside you residence, and latex gloves while performing our services.

Our promise to you is we leave the job cleaner than it was before we started. Why? Because we realize you, our valued customer, can call one of our 300 competitors.

We differentiate ourselves by hiring quality people at good wages, providing quality services at reasonable rates while respecting the environment of our valued customers.

  Plumbing - Service / Repair / Replacement

  • Kitchen Faucets all brands
  • Lavatory Faucets all brands
  • Toilets / Bidets all brands
  • Garbage Disposals all brands
  • Water Heaters all brands · Sump Pumps all brands
  • Outside Faucets all brands
  • Water Pipes · Waste Lines
  • Frozen / Split Pipes
  • Bathing & Shower Faucets
  • Bath Drain Mechanisms
  • Isolation and Main Line Valves
  • Backflow Prevention, Testing* & Certifications
    *State of Colorado certified.
  • Heating - Service / Repair / Replacement

  • All Brands Forced Air Furnaces
  • Heat Pumps · Boilers / Hot Water Systems
  • Furnace Motors
  • Thermostats (Manual & Programmable) · Zone Valves
  • Isolation Valves
  • Electronic Ignition
  • Standing Pilot
  • Gas Valves
  • Belts
  • Carbon Monoxide Detectors
  • Annual Maintenance Programs Available
  • Air Conditioning - Service / Repair / Replacement

  • All Brands Central Air · Evaporative Coolers
  • Leak Search & System Re-Charge
  • Furnace Motors
  • Thermostats (Manual & Programmable)
  • Belts
  • Cooling Start-Up & Shut Down
  • Annual Maintenance Programs Available
Landgraf Inc.
3820 Forest St.
Denver, CO 80207
Phone: 303.399.4000
Fax: 303.399.2959
Main Office

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