Your commercial HVAC system is a critical business asset. A breakdown doesn't just cause discomfort—it disrupts operations, impacts productivity, and hurts your bottom line. For over 25 years, Duncan Heating & Air Conditioning & Plumbing has been the trusted partner for businesses across West Texas, providing reliable, data-driven HVAC solutions that ensure your comfort and protect your profitability.

Our Comprehensive Commercial HVAC Services

Customized Commercial Maintenance Agreements

Preventative maintenance is your first line of defense against costly downtime. Our tailored plans are an investment that delivers a measurable return.

• Proven ROI: Our preventive and predictive maintenance strategies can reduce downtime by 40%, cut maintenance costs by 30%, and prevent 75% of all breakdowns—delivering a 10-fold return on investment.
• Maximized Efficiency & Savings: We focus on tasks with a direct financial impact:
• Adjusting refrigerant to lower energy bills by 5-11%
• Balancing airflow to cut costs by up to 10%
• Repairing failing economizers to prevent energy bill increases of 15% or more
• Chiller optimization through descaling and leak detection
• Tailored to Your System: We go beyond manufacturer checklists to customize a plan for your specific equipment, usage patterns, and operational schedule.
  

Expert Commercial Repair Services

When problems arise, you need a swift, expert response. Our NATE-certified technicians are equipped to diagnose and repair any issue to restore your environment quickly.

• 24/7 Emergency Response: We understand your business can't wait, offering round-the-clock emergency repair services.
• Advanced Diagnostics: We pinpoint problems from minor component failures to major system malfunctions in complex systems.
• Broad System Expertise: We repair everything from simple rooftop units to complex air-cooled and water-cooled chillers, cooling towers, and high-capacity air handlers.
  

Commercial System Installation & Replacement

Whether you're constructing a new building or upgrading an outdated system, we handle your project from design to completion.

• Expert System Design: We design and install commercial heating, cooling, and ventilation systems "from the ground up to the roof" for optimal performance and efficiency.
• Top-Tier Equipment: As a factory-authorized dealer for Carrier and Mitsubishi, we provide reliable, high-efficiency commercial-grade equipment.
• Seamless Project Management: Our team manages the entire installation process to ensure minimal disruption to your business.
  

Commercial Systems We Service & Install

• Air-Cooled & Water-Cooled Chillers
• Rooftop Packaged Units
• Direct-Expansion (DX) Systems
• High-Capacity Air Handlers
• Cooling Towers
• Active & Induction Chilled Beams
  

The Duncan Commercial Advantage: Your Partner in Performance

• NATE-Certified Technicians: The industry's highest certification for technical expertise.
• 25+ Years of Local Experience: We understand the unique climate and business needs of West Texas.
• Data-Driven Maintenance: We perform services with a direct, quantifiable impact on your efficiency and savings.
• Commitment to Uptime:
•  Our goal is to deliver unrivaled dependability so you can focus on running your business
  

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