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Expert HVAC Services in Waco, TX
D&D Mechanical 2.0 Waco 2.0 Waco has been serving residential and commercial clients since 1972, building a legacy of excellence in HVAC, refrigeration, and sheet metal fabrication. Our founder, Donald Kampfhenkel, began his journey in the industry over five decades ago, cultivating a reputation for precision and reliability that earned us the title of #1 HVAC company in the Hill Country. Now led by David Kampfhenkel, we extend this tradition to Waco, Texas, offering certified TRANE products, 24/7 emergency services, and tailored financing options. Our mission remains rooted in honesty, dependability, and affordability, ensuring every client receives energy-efficient solutions without compromising quality. With expertise in residential and commercial heating, cooling, refrigeration systems, and ice machines, we prioritize customer satisfaction through prompt, expert service.

Our teams decades of combined experience guarantees meticulous attention to detail, whether fabricating custom sheet metal components or maintaining complex commercial systems. We pride ourselves on being a small company with large-scale capabilities, refusing to cut corners or delegate specialized work to unqualified technicians. Located at 4070 Old Lorena Rd, Lorena, TX 76655, we serve Waco and surrounding areas with the same integrity that has defined our family-owned business for generations. From emergency repairs to preventative maintenance, our commitment to excellence ensures your comfort and operational efficiency year-round. Trust the leaders whove earned their reputation through consistent, high-quality service and a dedication to solving every heating, cooling, or refrigeration challenge with expertise and care.
Services
Residential HVAC Commercial HVAC Refrigeration Systems Ice Machine Repair Sheet Metal Fabrication
Highlights and features
  • We offer over 30 years of combined HVAC expertise in Waco and the Hill Country.
  • Our certified technicians specialize in residential and commercial heating, cooling, and refrigeration.
  • 24/7 emergency services ensure immediate support for critical system failures.
  • Flexible financing options make comfort solutions accessible to every budget.
  • We guarantee quality workmanship with no subcontracting of specialized HVAC tasks.
Associations and certifications
  • TRANE Comfort Specialist
What people say
Outstanding job Highly recommended Absolutely superb Clean, neat welds Exact measurements
Services
Residential HVAC
We install, repair, and maintain energy-efficient heating and cooling systems for homes. Our TRANE-certified technicians ensure optimal comfort and system longevity. Serving Waco and surrounding areas with personalized, prompt service.
Commercial HVAC
Comprehensive HVAC solutions for commercial properties, including installations, maintenance, and emergency repairs. Our team handles systems of all sizes, prioritizing operational efficiency and minimal downtime for businesses in Waco.
Refrigeration Systems
Specialized service for commercial refrigeration systems, from grocery store rack systems to walk-in coolers. We provide 24/7 emergency support to prevent inventory loss and ensure compliance with food safety standards.
Ice Machine Repair
Expert repair and maintenance of commercial ice machines. Our technicians address leaks, production issues, and sanitation concerns to keep hospitality and food service operations running smoothly in Waco.
Sheet Metal Fabrication
Precision sheet metal fabrication for HVAC components and custom projects. We create durable, exact-fit parts like roof caps and ductwork, using advanced techniques to meet unique client specifications.
People
Donald Kampfhenkel
Founder
Started in HVAC in 1972, building D&D Mechanical 2.0 Waco 2.0 Waco into a Hill Country leader. Over 30 years of hands-on experience shaping industry standards and mentoring technicians before transitioning leadership to his son.
David Kampfhenkel
Owner, Waco Location
Carries forward the family legacy in Waco, expanding services while maintaining the same commitment to quality and customer care established by his father over five decades in the industry.
Questions
What HVAC services do you offer for homes?
We provide installation, repair, and maintenance for residential heating and cooling systems, including emergency services 24/7 in Waco and surrounding areas.
Do you service commercial refrigeration systems?
Yes, we handle all commercial refrigeration including walk-in coolers, grocery store rack systems, and ice machines with 24/7 emergency support.
Are financing options available?
Yes, we offer flexible financing to make HVAC upgrades and repairs affordable for both residential and commercial clients in Waco.
What areas do you serve?
We primarily serve Waco, TX, and the Hill Country, with emergency services available 365 days a year for critical system failures.
Can you fabricate custom sheet metal components?
Yes, our team creates precision sheet metal parts for HVAC systems and custom projects, ensuring exact fit and durability for commercial and industrial applications.
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