CalTek Staffing is known for being the best HVAC staffing and recruitment agency in Denver. We are a national engineering and technical staffing agency specializing in recruiting Commercial HVAC Technicians for high‑growth commercial, industrial, and mission‑critical environments. Our client is a leading mechanical services provider supporting office buildings, hospitals, universities, data centers, manufacturing plants, distribution centers, and large‑scale commercial facilities.
Their field service teams install, troubleshoot, repair, and optimize complex HVAC systems including rooftop units (RTUs), air handlers, VAV systems, heat pumps, boilers, chillers, VRF/VRV systems, and building automation controls. With a strong focus on uptime, energy efficiency, and occupant comfort, the company delivers advanced mechanical service solutions across Colorado’s rapidly expanding commercial market.
Typical Duties and Responsibilities
- Install, troubleshoot, repair, and maintain commercial HVAC systems including RTUs, AHUs, VAVs, VRF/VRV systems, heat pumps, and split systems.
- Perform diagnostics, airflow testing, refrigerant recovery, leak detection, charging, and system performance analysis.
- Service and maintain equipment from major OEMs including Trane, Carrier, Lennox, Daikin, York, and Mitsubishi.
- Inspect and repair compressors, motors, belts, pulleys, coils, blowers, dampers, and control components.
- Troubleshoot electrical and mechanical issues including contactors, relays, transformers, VFDs, sensors, and control circuits.
- Work with Building Automation Systems (BAS) including Tridium Niagara, Johnson Controls Metasys, Siemens Desigo, and Honeywell EBI.
- Interpret mechanical drawings, wiring diagrams, piping schematics, and sequence of operations.
- Perform preventive maintenance, filter changes, coil cleaning, lubrication, and system optimization.
- Conduct system startups, commissioning, and operational testing for new and retrofit HVAC installations.
- Document service activities, maintenance logs, refrigerant usage, and equipment performance data.
- Ensure compliance with EPA regulations, ASHRAE standards, and mechanical safety guidelines.
- Collaborate with facility engineers, mechanical contractors, and BAS technicians to resolve system issues.
- Provide recommendations for system upgrades, energy efficiency improvements, and equipment lifecycle planning.
- Respond to emergency service calls and support mission‑critical HVAC operations.
- Participate in ongoing training, OEM certification programs, and technical development.
Education
- Technical diploma or associate degree in HVAC/R, Mechanical Technology, or related field preferred.
- Equivalent hands‑on experience in commercial HVAC service may be considered.
Required Skills and Experience
- 3+ years of experience servicing commercial HVAC systems.
- Hands‑on experience with RTUs, AHUs, VAV systems, VRF/VRV systems, and heat pumps.
- Strong understanding of refrigeration cycles, airflow principles, and mechanical cooling/heating fundamentals.
- Experience with refrigerants including R‑410A, R‑22, R‑407C, and low‑GWP alternatives.
- Ability to troubleshoot compressors, motors, VFDs, sensors, and control circuits.
- Familiarity with BAS platforms such as Tridium Niagara, Metasys, Siemens Desigo, or Honeywell EBI.
- Ability to read and interpret mechanical drawings, wiring diagrams, and piping schematics.
- Strong knowledge of EPA 608 regulations, ASHRAE standards, and mechanical safety practices.
- Experience with digital gauges, multimeters, vacuum pumps, recovery machines, and diagnostic tools.
- Strong communication, customer service, and documentation skills.
Preferred Qualifications
- EPA 608 Universal Certification required.
- OEM training or certifications from Trane, Carrier, Lennox, Daikin, or Mitsubishi.
- Experience with VRF/VRV systems, energy optimization, or advanced HVAC controls.
- Background in data centers, hospitals, or mission‑critical HVAC environments.
- Knowledge of hydronic systems, boilers, pumps, and cooling towers.
- Certifications such as NATE, HVAC Excellence, or mechanical trade licenses.
