HVAC Maintenance & Services

Dependable HVAC Maintenance, Repair, and Replacement Solutions

Unisource Services LLC provides professional HVAC maintenance, repair, and replacement services for commercial, residential, retail, and mixed-use properties. Our team delivers efficient, reliable solutions designed to maintain occupant comfort, improve system performance, and reduce operational costs.

We understand that HVAC systems are critical to building operations and tenant satisfaction. Our technicians perform preventive maintenance, responsive service calls, and full equipment replacements with minimal disruption to business operations. Whether maintaining rooftop units across a shopping center, troubleshooting complex controls, or upgrading systems for improved energy efficiency, Unisource delivers precision, accountability, and consistent results.

Our approach emphasizes proactive maintenance to prevent failures, optimize energy use, and extend equipment lifespan. From single-site properties to regional portfolios, Unisource Services ensures every client benefits from clean, efficient, and reliable climate control year-round.

Scope of Work

1. Project Planning and Assessment

• Initial Consultation: Meet with the client to review building systems, performance concerns, and service priorities.

• System Evaluation: Inspect all HVAC components—including rooftop units (RTUs), split systems, exhaust fans, and controls—to determine condition, efficiency, and code compliance.

• Maintenance Planning: Develop a tailored preventive maintenance program to align with equipment type, manufacturer recommendations, and seasonal requirements.

• Safety and Compliance: Ensure all work follows OSHA, EPA, and local mechanical code standards.

2. Preventive Maintenance Services

• Scheduled Maintenance: Perform quarterly, biannual, or annual maintenance based on equipment type and usage.

• Filter Replacement: Change air filters and clean return grilles to maintain air quality and airflow efficiency.

• Coil Cleaning: Clean evaporator and condenser coils to improve heat transfer and reduce energy consumption.

• Belt and Bearing Inspection: Inspect and replace worn belts, lubricate bearings, and check alignment.

• Drain Line Maintenance: Clean condensate drain lines and pans to prevent clogs and water damage.

• Electrical Checks: Inspect wiring, relays, and contactors for wear, corrosion, or overheating.

• Refrigerant Levels: Check system pressures, identify leaks, and adjust refrigerant levels as needed for optimal performance.

3. Repair Services

• Diagnostic and Troubleshooting: Identify and resolve issues such as airflow imbalance, compressor failure, sensor faults, or electrical control problems.

• Component Replacement: Repair or replace failed components including motors, capacitors, compressors, fans, and thermostats.

• Emergency Response: Provide 24/7 service for HVAC outages, leaks, or temperature control failures impacting operations or tenant comfort.

• Performance Testing: Verify that repaired systems are properly calibrated and operating efficiently.

4. System Replacement and Upgrades

• Equipment Replacement: Remove and replace aging or inefficient rooftop units, split systems, and heat pumps with modern, high-efficiency models.

• Energy Efficiency Upgrades: Install programmable thermostats, variable speed drives, and energy management controls to reduce operating costs.

• Ductwork Modifications: Fabricate and install new ductwork sections or modify existing systems for improved airflow and zoning.

• Startup and Commissioning: Test, balance, and verify system performance after installation to ensure manufacturer compliance and warranty protection.

• Disposal and Compliance: Handle refrigerant recovery, unit disposal, and documentation in accordance with EPA standards.

5. Documentation and Reporting

• Service Records: Provide detailed maintenance logs, inspection reports, and recommendations for ongoing improvements.

• Photo Documentation: Include before-and-after photos for transparency and client verification.

• Asset Management: Maintain an equipment inventory list with condition reports and replacement planning recommendations.

6. Sector-Specific Benefits

• Retail and Shopping Centers: Ensure consistent indoor comfort for customers and tenants while minimizing equipment downtime.

• Commercial and Office Buildings: Maintain optimal working conditions with energy-efficient systems that reduce utility expenses.

• Industrial and Logistics Facilities: Keep temperature-sensitive operations and warehouse environments running reliably.

• Mixed-Use Developments: Deliver coordinated maintenance solutions that serve diverse tenant needs without disrupting operations.