Preventive Maintenance Services
Maximize equipment life and minimize downtime with comprehensive maintenance programs
Comprehensive Mechanical Maintenance Programs
AJ Allen's preventive maintenance services protect your investment in mechanical systems while ensuring optimal performance, energy efficiency, and regulatory compliance. Our customized maintenance programs are designed to prevent costly breakdowns and extend equipment life.

With over 90 years of mechanical expertise, we understand that proper maintenance is essential for reliable system operation. Our certified technicians provide comprehensive maintenance services that keep your facilities comfortable, efficient, and compliant with all regulatory requirements.
Customized Maintenance Programs
HVAC Preventive Maintenance
Comprehensive HVAC maintenance programs designed to maximize system efficiency, improve indoor air quality, and prevent costly equipment failures.
- Filter replacement and air quality monitoring
- Coil cleaning and heat exchanger maintenance
- Belt and motor inspection and adjustment
- Refrigerant level checks and leak detection
- Control system calibration and testing
- Energy efficiency optimization
Commercial Plumbing Maintenance
Proactive plumbing maintenance to prevent leaks, clogs, and system failures that can disrupt business operations and cause property damage.
- Drain cleaning and sewer line maintenance
- Water heater inspection and service
- Backflow prevention testing
- Fixture inspection and repair
- Water pressure and flow testing
- Leak detection and prevention
Building Automation Maintenance
Specialized maintenance for building automation and control systems to ensure optimal performance and energy management.
- Control system calibration and updates
- Sensor testing and replacement
- Software updates and programming
- Energy management optimization
- Remote monitoring system maintenance
- Alarm testing and verification
Emergency Service & Repairs
24/7 emergency service to address urgent mechanical issues and minimize business disruption from equipment failures.
- 24/7 emergency response service
- Rapid diagnostic and repair
- Emergency parts inventory
- Temporary system solutions
- Priority service for maintenance clients
- Follow-up preventive measures
Benefits of Preventive Maintenance
Investing in preventive maintenance provides significant long-term benefits for your facility operations and bottom line.
Extended Equipment Life
Regular maintenance significantly extends the operational life of mechanical equipment, protecting your capital investment and delaying costly replacement projects.
Improved Energy Efficiency
Well-maintained systems operate more efficiently, reducing energy consumption and utility costs while meeting environmental sustainability goals.
Reduced Emergency Repairs
Proactive maintenance identifies and addresses potential issues before they become costly emergency repairs or system failures.
Regulatory Compliance
Scheduled maintenance ensures compliance with building codes, safety regulations, and environmental requirements.
Specialized Maintenance Services
Our maintenance expertise extends to specialized systems requiring specific technical knowledge and compliance requirements.
Healthcare Facility Maintenance
Specialized maintenance for healthcare facilities requiring strict compliance with health department regulations and infection control measures.
Laboratory System Maintenance
Maintenance for laboratory facilities requiring specialized ventilation, fume hood testing, and chemical-resistant system care.
Data Center Maintenance
Critical maintenance for data center cooling systems requiring 24/7 reliability and precision environmental controls.
Industrial System Maintenance
Heavy-duty maintenance for manufacturing facilities requiring specialized knowledge of industrial processes and equipment.
Advanced Maintenance Technology
AJ Allen utilizes advanced maintenance technologies to improve service quality, efficiency, and predictive capabilities.
Computerized Maintenance Management
Advanced CMMS software tracks maintenance schedules, equipment history, and performance trends for optimized service delivery.
Remote Monitoring Systems
24/7 remote monitoring of critical systems allows for proactive maintenance and immediate response to system alerts.
Predictive Analytics
Data analysis and trending identify potential equipment issues before they result in failures or performance degradation.
Mobile Service Technology
Mobile devices and tablets provide technicians with real-time access to maintenance procedures, equipment manuals, and service history.
Flexible Service Level Options
Choose the maintenance program level that best fits your facility's needs and budget requirements.
Basic Maintenance Program
Essential preventive maintenance services for smaller facilities or budget-conscious operations.
- Quarterly HVAC inspections
- Filter replacement program
- Basic plumbing maintenance
- Emergency service discounts
- Annual maintenance reports
Comprehensive Maintenance Program
Full-service maintenance for facilities requiring optimal performance and minimal downtime risk.
- Monthly system inspections
- Complete preventive maintenance
- Priority emergency service
- Energy efficiency monitoring
- Detailed reporting and recommendations
Total Facility Management
Complete mechanical system management for critical facilities requiring maximum reliability and performance.
- 24/7 remote monitoring
- Comprehensive maintenance coverage
- Immediate emergency response
- Parts and materials included
- Guaranteed system availability
24/7 Emergency Response Service
Mechanical system failures don't wait for business hours. AJ Allen provides round-the-clock emergency service to minimize downtime and protect your operations.
Immediate Response
Emergency service technicians dispatched within hours of your call, equipped with diagnostic tools and common repair parts.
Expert Diagnosis
Experienced technicians quickly identify problems and implement temporary or permanent solutions to restore system operation.
Parts Availability
Extensive parts inventory and established supplier relationships ensure rapid procurement of replacement components.
Follow-Up Service
Complete follow-up service to address root causes and implement preventive measures to avoid future emergencies.
Protect Your Mechanical Systems Investment
Start a preventive maintenance program with AJ Allen and experience the benefits of reliable, efficient mechanical systems.