Halbin Graveran

HVAC Service Technician | Warranty Repairs, Multifamily Systems & Equipment Installation

● Diagnosed and resolved issues with warranty-covered HVAC components, including AprilAire interface control boards and system controls, ensuring timely repairs and customer satisfaction.

● Performed troubleshooting, diagnostics, and repairs on Broan dehumidification systems, identifying electrical, operational, and mechanical failures.

● Conducted multifamily HVAC system startups and inspections, ensuring optimal equipment operation and compliance with performance standards.

● Performed major HVAC equipment replacements in multifamily properties, including removal and replacement of existing equipment, system connections, startup procedures, and operational testing.

● Troubleshot complex HVAC system issues and coordinated necessary warranty repairs and component replacements.

● Ensured systems were operating within manufacturer specifications and followed proper installation, startup, and service procedures.

● Managed diagnostics and repairs in residential and multifamily HVAC environments, showcasing adaptability in warranty service and major replacement projects.

• HVAC Service Technician | Residential HVAC Diagnostics, Repairs & Sales
• ● Diagnosed, troubleshot, and repaired residential HVAC systems, specializing in failed or mechanically locked compressors, faulty thermostatic expansion valves (TXVs), refrigerant-related issues, and other major system component failures.
• ● Performed compressor and evaporator coil replacements, refrigerant recovery, system evacuation, vacuum testing, refrigerant charging, and post-repair operational testing to ensure reliable system performance.
• ● Conducted comprehensive HVAC inspections and preventive maintenance, identifying system deficiencies and recommending solutions to improve equipment efficiency, reliability, and indoor air quality.
• ● Consistently ranked #1 in technician sales for four consecutive months, leading in the sales of UV light purification systems, preventive maintenance plans, and electrical surge protectors.
• ● Identified customer needs, presented equipment upgrades and maintenance solutions, and effectively communicated value of recommended services to homeowners.
• ● Leveraged technical troubleshooting skills and customer-focused sales techniques to drive revenue growth while upholding high service standards.
• ● Maintained detailed service documentation, communicated repair findings, and provided actionable recommendations for repairs and system improvements.

• Increased longevity of HVAC systems by performing preventive maintenance.
• Installed high-performance components to enhance overall HVAC system functionality.
• Assembled air ducts, pipes, discharge valves and flues to central heating and cooling equipment.
• Rebuilt and replaced faulty components to maintain optimal environmental conditions.
• Connected heating or air conditioning equipment to water, fuel, or refrigerant sources to form complete circuits.
• Maintained environmental conditions by rebuilding and replacing faulty components.
• Installed various components to enhance HVAC system performance. to improve HVAC system performance.
• Performed troubleshooting on HVAC systems to determine root cause of issues.
• Discussed heating and cooling system malfunctions with customers to isolate problems and verify corrected malfunctions.
• Utilized pressure gauges and soap-and-water solutions to test pipe and tubing joints for leaks.
• Troubleshot HVAC systems to identify root causes of issues and implement effective solutions.
• Inspected and tested refrigeration systems, safety devices and controls to determine proper functionality.
• Located and marked pipe positions, hole passages and duct connections in walls and floors.
• Traveled to job sites for both scheduled and emergency appointments.
• Kept accurate records of time and materials used for each job to compile into service reports.
• Completed work orders after confirming tasks with customers. after verifying completion with customers and reporting discrepancies discovered on job site.

• Conducted maintenance service on HVAC systems to increase life expectancy of equipment and prevent costly repair work.
• Calibrated permanent and portable environmental monitoring equipment.
• Worked overtime, holidays and weekends to accommodate company needs.
• Repaired and replaced heating and air conditioning systems for commercial customers in HVAC industry.
• Repaired and replaced motors, bearings and belts.
• Investigated major malfunctions and breakdowns of heating and air-conditioning systems and used troubleshooting to determine causes.

• Adjusted procedures to maximize department effectiveness.
• Used House Call Pro to authorize and monitor purchase orders and consumables.
• Implemented policies to reduce cost and eliminate waste.
• Purchased new products and oversaw inventory stocking and availability.
• Sourced vendors, built relationships, and negotiated prices.
• Coordinated paperwork, updated spreadsheets, and maintained permanent records.
• Progressed through various purchasing, warehousing and leadership roles.
• Monitored and evaluated vendor performance to determine compliance with quality standards.
• Conducted regular research to identify trends and cost saving opportunities.
• Reviewed and approved purchase orders and invoices for accuracy and completeness.
• Communicated regularly with suppliers to uphold accountability for quality standards and timely delivery of goods.
• Monitored inventory levels and avoided shortages with timely replenishment of stock.
• Created purchasing policies and procedures that complied with company standards and regulatory requirements.