Business Details
40 Years
experience
Emergency
services
Your Trusted HVAC Partner in Kerrville
D & D Mechanical has been serving the Hill Country community since 1986, providing expert HVAC solutions, sheet metal fabrication, and commercial refrigeration services. Founded by Donald Kampfhenkel after decades of industry experience, our team of certified technicians delivers quality products and personalized service for both residential and commercial clients. As a certified TRANE Comfort Specialist, we prioritize energy efficiency, comfort, and reliability while maintaining competitive pricing.Our sheet metal shop produces custom ductwork, stainless steel countertops, and industrial components, supporting local businesses and construction projects. With 30+ years of experience, we emphasize prompt, professional service and offer flexible financing options to ensure accessibility for all customers. Our mission remains focused on delivering long-term value through technical expertise and customer-centric solutions.
Services
HVAC Installation
Sheet Metal Fabrication
Commercial Refrigeration
Ventilation Systems
Emergency HVAC Service
Details
- Year established: 1986
Highlights and features
- We offer 30+ years of specialized HVAC and sheet metal expertise in the Hill Country
- Our certified technicians provide TRANE Comfort Specialist-level service standards
- Custom sheet metal fabrication capabilities support unique commercial projects
- Flexible financing options make comfort solutions accessible for all budgets
- 24/7 emergency availability ensures critical system issues get immediate attention
Associations and certifications
- TRANE Comfort Specialist
What people say
Outstanding job
Highly recommended
Superb result
Prompt service
Expert technicians
Services
HVAC Installation
We install residential and commercial heating and cooling systems using certified TRANE equipment. Our specialists ensure proper system sizing, energy efficiency, and optimal indoor comfort for new constructions and system replacements. With 30+ years of local experience, we deliver tailored solutions that meet specific climate control needs while maintaining budget considerations.
Sheet Metal Fabrication
Our in-house sheet metal shop creates custom ductwork, flashing, stainless steel countertops, and industrial components. Capable of handling 16-gauge materials, we work with galvanized steel, aluminum, and stainless steel to produce precision components for commercial kitchens, construction projects, and industrial applications requiring durable metal solutions.
Commercial Refrigeration
We service commercial refrigeration systems including walk-in coolers, grocery rack systems, and ice machines. Our technicians maintain and install temperature-controlled environments for food service operations and commercial storage facilities, ensuring compliance with industry standards and optimal energy performance for business-critical cooling applications.
Ventilation Systems
We design and install commercial ventilation systems including exhaust hoods, dust collection units, and custom air handling solutions. Our systems ensure proper airflow management for industrial environments, commercial kitchens, and manufacturing spaces requiring specialized air quality and temperature control solutions.
Emergency HVAC Service
We provide after-hours emergency HVAC repair services for critical system failures. With 7-day availability, our technicians respond promptly to residential and commercial heating and cooling emergencies, minimizing downtime and restoring comfort during urgent situations requiring immediate technical intervention.
People
Donald Kampfhenkel
Owner
Founder with 50+ years in HVAC industry, established D & D Mechanical in 1986 after working as sheet metal apprentice, contractor technician, and manufacturer representative. Combines technical expertise with business leadership to maintain quality standards.
Questions
Do you offer residential HVAC services?
Yes, we provide complete residential heating and air conditioning installation, maintenance, and repair services using certified TRANE equipment.
What sheet metal fabrication capabilities do you have?
Our shop handles 16-gauge materials including galvanized steel, aluminum, and stainless steel for ductwork, countertops, industrial components, and custom metal projects.
Are emergency HVAC services available after hours?
Yes, we offer 7-day emergency service for urgent heating and cooling system failures with technicians available during after-hours periods.
Do you service commercial refrigeration equipment?
Yes, we specialize in commercial refrigeration systems including walk-in coolers, grocery rack systems, and ice machines for business applications.
What financing options are available?
We offer flexible financing programs to make HVAC system replacements and major repairs more affordable for residential and commercial customers.
Videos
