Business Details
34 Years
experience
Emergency
services
Trusted HVAC & Plumbing Services in Lubbock, TX
Founded in 1992, Duncan Heating & Air Conditioning, Inc. & Plumbing has established itself as a trusted provider of HVAC and plumbing solutions in Lubbock, TX. Our NATE-certified technicians bring decades of combined experience to residential and commercial clients, offering services ranging from emergency repairs to system installations. We prioritize customer satisfaction through transparent communication, flat-rate pricing, and comprehensive warranties, including 1-year workmanship and manufacturer warranties up to 12 years.Our team, led by licensed master plumbers and HVAC contractors, adheres to rigorous safety standards and continuous training to ensure reliable service. With a focus on energy efficiency and indoor air quality, we serve Lubbock and surrounding areas, maintaining a 24/7 emergency response capability to address urgent needs promptly.
Services
HVAC Installation
Plumbing Repairs
AC Maintenance
Commercial HVAC
Tankless Water Heaters
Details
- Year established: 1992
Highlights and features
- We offer 24/7 emergency HVAC and plumbing services with no overtime charges.
- Our NATE-certified technicians provide expert repairs and installations.
- Financing options available for residential HVAC upgrades.
- 100% satisfaction guarantee on all workmanship and warranties.
- Locally owned since 1992, serving Lubbock and surrounding areas.
Associations and certifications
- NATE (North American Technician Excellence)
What people say
Fast emergency response
Fair pricing
Professional technicians
Transparent communication
Reliable service
Services
HVAC Installation
We specialize in installing residential and commercial HVAC systems, including air conditioners, heat pumps, and furnaces. Our technicians ensure proper sizing and energy-efficient operation, following manufacturer guidelines for optimal performance. Customers receive manufacturer warranties up to 12 years with registered installations.
Plumbing Repairs
Our 24/7 plumbing repair service addresses leaks, clogged drains, and water heater issues. Master plumbers use advanced diagnostics to resolve problems quickly, minimizing property damage. We service all brands and offer same-day emergency response for critical failures.
AC Maintenance
Annual AC maintenance includes system inspections, coil cleaning, and refrigerant checks to prevent breakdowns. Our $100 tune-up package extends equipment lifespan and improves energy efficiency by up to 15%, reducing long-term operating costs.
Commercial HVAC
We design and maintain commercial HVAC systems for offices and retail spaces, including chillers and rooftop units. Preventive maintenance plans reduce downtime by 40% and energy costs by up to 11%, with NATE-certified technicians handling installations and repairs.
Tankless Water Heaters
We install and service tankless water heaters from Rinnai, Noritz, and Navien. These systems provide continuous hot water while saving 20-30% on energy bills. Our technicians handle replacements and retrofits for residential and commercial properties.
People
Dennis Duncan Jr.
Co-Founder & Master Plumber
Licensed master plumber with over 30 years of experience, Dennis co-founded Duncan Heating & Air Conditioning in 1992. He oversees residential plumbing operations and ensures adherence to industry standards through continuous staff training.
Davis Moore
Co-Founder & Master Electrician
Master electrician with 40+ years of expertise, Davis Moore co-founded the company in 1992. He specializes in HVAC electrical systems and leads commercial project installations, ensuring compliance with safety regulations and energy codes.
Questions
Do you offer 24/7 emergency HVAC services?
Yes, we provide 24/7 emergency HVAC and plumbing repairs with no overtime charges for maintenance plan customers.
What HVAC brands do you service?
We service all brands but are factory-authorized dealers for Carrier and Mitsubishi Electric Heating and Cooling.
Are financing options available?
Yes, we offer financing options for residential HVAC upgrades and major plumbing projects.
What warranties do you provide?
We offer a 1-year workmanship warranty, 10-year Carrier manufacturer warranty, and 12-year Mitsubishi warranty on residential products.
Do you service commercial HVAC systems?
Yes, we install, maintain, and repair commercial HVAC systems including chillers, rooftop units, and high-capacity air handlers.
What areas do you serve?
We serve Lubbock, Wolfforth, Slaton, Abernathy, Levelland, Plainview, and surrounding areas in Texas.