Business Details
50+ Years
experience
Emergency
services
Your Trusted HVAC Partner in Lebanon, MO
Henderson Heating & Cooling has served Lebanon and surrounding areas since 1958, establishing itself as Southwest Missouri's most reliable HVAC company. As a family-owned business since its founding by Jim Henderson and under continued leadership by the Mizer family since 1986, we combine decades of hands-on experience with ongoing technical training to deliver cutting-edge HVAC solutions. Our Trane Comfort Specialist certification verifies our commitment to industry-leading installation standards, equipment efficiency optimization, and customer satisfaction through comprehensive service programs.With dedicated technicians available for emergency response and a focus on preventive maintenance, we ensure optimal system performance while maintaining transparent communication and competitive pricing. Our team's expertise spans complete system installations, precision repairs, and indoor air quality improvements, backed by 12-year warranties and flexible financing options that demonstrate our confidence in workmanship quality.
Services
AC Repair
Furnace Installation
Ductless Systems
Air Duct Cleaning
HVAC Maintenance
Heat Pump Services
Indoor Air Quality
Emergency Repairs
System Replacement
Preventive Maintenance
Details
- Year established: 1958
Highlights and features
- Family-owned HVAC expertise since 1958 with third-generation leadership
- Trane Comfort Specialist certified for superior installation standards
- 12-year parts warranties on all HVAC system installations
- Emergency service response for urgent heating/cooling needs
- Custom preventive maintenance plans with priority service scheduling
Associations and certifications
- Trane Comfort Specialist
What people say
Outstanding service
Prompt and fast
Very professional
Knowledgeable technicians
Reasonable prices
Services
AC Repair
Our certified technicians provide prompt diagnosis and repair of residential and commercial air conditioning systems. We service all major brands with precision refrigerant management, electrical component testing, and airflow optimization. Emergency repair services ensure minimal downtime during peak summer months.
Furnace Installation
We install high-efficiency furnaces with proper sizing calculations and venting configurations for optimal performance. Our NATE-certified technicians follow manufacturer specifications for gas pressure calibration and combustion efficiency testing. Lifetime heat exchanger warranties available on select models.
Ductless Systems
Custom ductless system installations for homes without existing ductwork. We offer multi-zone configurations with wall-mounted and ceiling cassette units. Our technicians specialize in refrigerant line routing and smart thermostat integration for energy-efficient temperature control.
Air Duct Cleaning
Professional duct cleaning removes contaminants from HVAC airways using industrial vacuums and rotary brushes. We follow NADCA standards for coil cleaning and microbial growth prevention. Recommended every 3-5 years for improved indoor air quality and system efficiency.
Preventive Maintenance
Our maintenance agreements include twice-yearly system inspections with filter replacement, lubrication, and safety checks. Priority scheduling ensures faster service during equipment failures. Regular maintenance extends system lifespan and maintains manufacturer warranty validity.
People
Jim Henderson
Founder
Established Henderson Heating & Cooling in 1958, pioneering HVAC services in Southwest Missouri. Laid foundation for family ownership and technical excellence that continues through three generations.
Terry Mizer
Co-Owner
Acquired the business in 1986 with Louanne Mizer, expanding service capabilities while maintaining family values. Instrumental in obtaining Trane Comfort Specialist certification and implementing technical training programs.
Brad Mizer
Current Leader
Third-generation leader since 2003, overseeing daily operations and technology integration. Maintains commitment to customer satisfaction while expanding service territory across 20+ Missouri communities.
Questions
What HVAC services do you offer in Lebanon, MO?
We provide complete HVAC solutions including AC repair, furnace installation, ductless systems, air duct cleaning, and preventive maintenance plans for residential and commercial clients.
Do you offer emergency HVAC repair services?
Yes, we prioritize emergency service calls for critical heating and cooling failures with rapid response times from our trained technicians.
What financing options are available for HVAC systems?
We offer flexible financing plans for new system installations, including seasonal promotions and manufacturer rebates to make equipment upgrades more affordable.
Are your technicians certified and trained?
All technicians maintain Trane Comfort Specialist certification with ongoing training in the latest HVAC technologies and installation best practices.
What areas do you service besides Lebanon?
We serve 20+ communities across Southwest Missouri including Phillipsburg, Conway, Marshfield, Camdenton, and St. Robert within a 60-mile radius.
What warranties do you provide on HVAC installations?
We offer 12-year parts warranties on all new HVAC systems, with extended coverage options available for select Daikin and Trane equipment models.
