Business Details
40 Years
experience
Emergency
services
Expert HVAC, Refrigeration & Sheet Metal Services in Kerrville & Waco
D & D Mechanical has been serving the Hill Country since 1986, providing expert heating, cooling, and refrigeration solutions for residential and commercial clients. Founded by Donald Kampfhenkel after decades of industry experience, our team combines technical expertise with a commitment to quality products and personalized service. Our certified technicians specialize in HVAC systems, sheet metal fabrication, and commercial refrigeration, ensuring precise installations and reliable repairs. We prioritize customer satisfaction through transparent communication, competitive pricing, and innovative solutions tailored to individual needs.With a dedicated sheet metal shop and a focus on energy-efficient systems, we deliver durable, cost-effective results that enhance comfort and operational efficiency. Our reputation for excellence is built on over 30 years of consistent service and a deep understanding of local climate challenges. We stand by our work with flexible financing options and a promise to exceed expectations through professionalism and technical mastery.
Services
HVAC Installation
Commercial Refrigeration
Sheet Metal Fabrication
Ventilation Systems
Emergency Repairs
Details
- Year established: 1986
Highlights and features
- We have over 30 years of experience in HVAC and sheet metal fabrication.
- Our certified technicians specialize in residential and commercial heating and cooling systems.
- We offer precision sheet metal fabrication up to 16-gauge thickness.
- Flexible financing options make comfort solutions affordable for homeowners.
- Our dedicated sheet metal shop supports custom commercial projects.
Associations and certifications
- TRANE Comfort Specialist
What people say
Outstanding job
Highly recommended
Prompt and efficient
Quality products
Satisfied customers
Services
HVAC Installation
We install energy-efficient HVAC systems for residential and commercial properties, ensuring optimal comfort and energy savings. Our TRANE-certified technicians provide precise installations tailored to property size and climate needs. With over 30 years of local experience, we guarantee reliable performance and long-term durability for every system we install.
Sheet Metal Fabrication
Our in-house sheet metal shop creates custom components up to 16-gauge thickness, including ductwork, flashing, and stainless steel countertops. We work with galvanized, aluminum, and stainless steel to meet commercial and industrial specifications. Precision welding and design enhancements ensure superior fit and functionality for every project.
Commercial Refrigeration
We service commercial refrigeration units from walk-in coolers to grocery rack systems, ensuring food safety and operational efficiency. Our experts install, repair, and maintain ice machines, reach-in coolers, and large-scale refrigeration systems. With specialized tools and training, we minimize downtime for restaurants, markets, and industrial clients.
Ventilation Systems
We design and install commercial ventilation systems including exhaust hoods, dust collection units, and custom airflow solutions. Our systems meet safety standards while improving workplace comfort and air quality. From initial design to final installation, we ensure efficient operation for industrial and commercial spaces.
Emergency Repairs
Available seven days a week for urgent HVAC and refrigeration issues, our technicians respond promptly to minimize discomfort and operational losses. We prioritize rapid diagnosis and repairs for residential and commercial clients, ensuring systems return to full functionality as quickly as possible during critical situations.
People
Donald Kampfhenkel
Owner
Founder Donald Kampfhenkel started in the HVAC industry in 1972 and established D & D Mechanical in 1986. With over 50 years of combined experience, he leads a team committed to technical excellence and customer satisfaction through innovative heating and cooling solutions.
Clay Waggoner
Sheet Metal Foreman
Clay Waggoner oversees our sheet metal fabrication shop, delivering precision-crafted components for commercial and industrial clients. His expertise in metalworking ensures every project meets exact specifications while maintaining structural integrity and aesthetic quality.
Questions
What HVAC services do you offer?
We provide installation, maintenance, and repair services for residential and commercial heating and cooling systems, including TRANE-certified equipment.
Do you handle commercial refrigeration?
Yes, we service walk-in coolers, grocery rack systems, ice machines, and industrial refrigeration units for businesses of all sizes.
Can you fabricate custom sheet metal components?
Our in-house shop creates ductwork, flashing, countertops, and industrial parts up to 16-gauge thickness in multiple metal types.
Are emergency services available?
We offer 7-day-a-week emergency repairs for urgent HVAC and refrigeration issues to minimize downtime for residential and commercial clients.
Do you serve areas outside Kerrville?
Yes, we serve the entire Hill Country region including Waco, providing the same quality service and expertise to all our locations.
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