• 609 W. Elm
    Lebanon, MO 65536
    Over 60 Yrs Experience
  • Monday-Friday
    8:00 am - 4:30 pm
After Hours Emergency Service


General & Residential Services

There When You Need Us!

Whenever your system needs servicing or repair, call Henderson’s to get the job done right. Day or night…holidays and weekends, you can count on Henderson’s to be there when you need us.

Maintenance & Repair

Emergency Service or, routine maintenance and repair of all makes and models, our service department has more than 200 years of combined experience to get your system up and running.  In addition, all of our technicians receive ongoing training and are certified in technical ability, safety and the proper handling of potentially hazardous materials.

Save time and money. We’ll do the job right…the first time!

Installation and Replacement

Residential, Commercial or Industrial, New construction or replacement of your current system, Hendersons will design your new system to meet your needs and budget with the most efficient and reliable equipment that we offer and…Service After the Sale!  Contact us for a Free Estimate!

We’ve Got What it Takes

We maintain one of the largest HVAC parts inventories in the area, not only for the equipment we sell but, for most current makes and models in service today!  Plus, each of service vehicles is well stocked with the most common needed parts.  In addition, we operate a complete sheet metal shop for fabrication of custom duct work.

Home Energy Audits
Don’t let your energy dollars go out the window. An Energy Audit can save you money!

Air Duct Cleaning
Rid your duct work of allergens like mold, mildew, dust mites and more. Breathe Easier!

Scheduled Maintenance
Keep your system running smoothly and efficiently year-’round.  Ask about a low cost Preventive Maintenance Plan.

Henderson's IS the Right Choice!

  • Service on ALL makes and models
  • 24/7 Emergency Service

Experience & Training

Each of our Service and Installation Technicians must meet the following requirements:

  • 2 Year College Level HVAC training
  • Must Be NATE Certified
  • Must complete 10 hours of OSHA Safey Training
  • Factory Training for equipment we sell
  • Over 200 years of combined experience


  • 12 Parts Stocked Service Vehicles
  • One of the largest parts inventories in the area
  • Complete Custom Ductwork Fabrication

Certifications & Licensing

  • LP Gas Certified and Licensed
  • EPA Certified and Licensed
  • NATE Certified Technicians
  • OSHA Safey Training  

What Our Clients Say