Commercial HVAC Systems
Air Conditioning & Heating
Turnkey central cooling for corporate buildings, distribution warehouses and commercial areas under Texas' demanding thermal conditions.
Premier Commercial HVAC, Hydronic Systems & Building Automation in Texas
At LB Mechanical Controls we deliver mission-critical, turnkey solutions for corporate buildings, logistics hubs and industrial plants. From electromechanical maintenance of chillers and boilers to DDC controller programming with zero operational downtime.

Uninterrupted operation for manufacturing plants, clinics, commercial complexes and corporate buildings in Haslet, Fort Worth and Dallas.
Uptime
+99.8%
Zero Downtime
Critical Response
< 2 Hours
DFW Emergencies
Monitoring
24/7 DDC
Live Telemetry
Credentials
EPA & TX
100% Certified

LB Mechanical Controls LLC
Commercial & Industrial · DFW Metroplex
LB Mechanical Controls is a commercial and industrial contractor based in Haslet, Texas, specialized in HVAC, hydronic systems and building automation (BAS/DDC) for mission-critical operations across the DFW Metroplex.
We combine precision thermal engineering with digital control over BACnet and Modbus, backed by a team of certified senior specialists on every project and service call. No middlemen: the same team that diagnoses is the one that executes and responds.
We serve manufacturing, logistics, healthcare, corporate buildings and data centers with scheduled preventive maintenance, 24/7 dispatch and technical documentation for every service.
Comprehensive General Liability and Workers' Comp policies, active throughout Texas.
Safe handling and certified recovery of eco-friendly R-410A/R-32 refrigerants.
Service vehicles stocked with digital analyzers and high-turnover parts for immediate response.
Advanced technical services delivered with digital diagnostic tools for industrial, medical and corporate facilities.
Commercial HVAC Systems
Turnkey central cooling for corporate buildings, distribution warehouses and commercial areas under Texas' demanding thermal conditions.
HVAC Repair & Maintenance
Response to unexpected equipment shutdowns, electromechanical repair, contactor and compressor replacement, and on-site anomaly detection.
Equipment Installation & Replacement
Retrofits of obsolete systems with high-efficiency SEER/IEER equipment, including safe crane rigging and warranted commissioning.
Water & Air-Cooled Chillers
Specialists in screw, centrifugal and scroll compressors (Trane, York, Carrier). Condenser tube cleaning, oil analysis and pressure-drop testing.
Commercial Boiler Systems
Maintenance for steam and hydronic hot-water generators. Combustion gas analysis, CSD-1 controls, relief valves and refractory work.
Chilled & Hot Water Hydronic Loops
Hydronic balancing, actuator replacement, automatic air vents and insulation of primary and secondary piping with minimal thermal loss.
BAS / DDC Building Automation
Implementation and programming of direct digital control systems with BACnet MS/TP, IP and Modbus protocols for centralized remote monitoring.
Rooftop Units - RTU
Service for commercial packaged rooftop units. Outdoor-air economizer checks, blowers, modulating dampers and precise refrigerant charging.
Air Handling Units - AHU
Coil maintenance and sanitization, pulley alignment, bearings, variable-speed fan motors and high-performance MERV filtration.
Fan Coils & VAV Systems
Airflow (CFM) calibration per independent zone, room thermostats and damper controllers for zoned comfort in corporate buildings.
Ductless Mini-Splits & Splits
Ductless inverter systems for server rooms (MDF/IDF), data centers and offices requiring continuous 24/7 cooling.
Pumps & Cooling Towers
Laser alignment of mechanical pumps, water seals, nozzle cleaning and maintenance of evaporative condensing towers in Haslet and DFW.
Commercial Ventilation & Exhaust
Exhaust systems for underground parking, industrial kitchens and stairwell pressurization according to NFPA and IMC codes.
Preventative Maintenance Agreements (PMA)
Custom quarterly or semi-annual plans that protect equipment lifespan and cut downtime costs by up to 38%.
Advanced Commercial Diagnostics
Infrared thermography for power panels, mechanical vibration analysis, ultrasonic leak detection and electrical harmonics logging.

DDC Systems Integration · BAS & BMS
At LB Mechanical Controls we integrate open, robust control architectures that connect your mechanical equipment to friendly graphic interfaces. Access live monitoring dashboards to detect flow drops, pressure anomalies and schedule nighttime temperature setbacks.
We service high-capacity multi-brand systems
From our base in Haslet, LB Mechanical Controls dispatches mobile units to Fort Worth, Dallas, Denton, Arlington, Roanoke, Keller, Irving and the entire North Texas industrial corridor.
No waiting rooms, no call centers. Your request is evaluated by our field engineering team to schedule a technical inspection or a formal quote.
Priority DFW Coverage
Fast mobile dispatch to Haslet, Fort Worth, Dallas, Denton, Arlington, Roanoke, Keller, Irving and the entire North Texas industrial corridor.
Fill out the form below and a specialist will contact you right away.
We provide 24/7/365 on-call service. For Preventive Agreement (PMA) clients and critical failures in server rooms or manufacturing, our on-site response time is under 2 hours.