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ModernControls

Designs building automation and services commercial HVAC

HVAC Service Technician

Full-TimeUpdated on 10/23/2026
No salary listed
Mid
Millersville, Odenton, MD, USA
In PersonLocal travel between customer sites is required; participate in an on-call service rotation.
Building TradesHVAC & Building Systems

About the job

Requirements
  • A high school diploma or equivalent is required.
  • Technical or vocational training in HVAC, refrigeration, or mechanical systems is preferred.
  • Three or more years of experience servicing commercial HVAC equipment is preferred.
  • Experience with building automation systems or controls is a plus.
  • EPA Universal Certification is preferred.
  • Additional manufacturer or building automation systems certifications are a plus.
  • Strong understanding of HVAC mechanical and electrical systems.
  • Ability to read wiring diagrams, mechanical drawings, and control schematics.
  • Familiarity with building automation systems platforms and control devices is preferred.
  • Proficiency with standard HVAC diagnostic tools and equipment.
  • Ability to lift and carry equipment up to 50 pounds.
  • Ability to climb ladders and work in mechanical rooms, rooftops, and confined spaces.
  • Ability to work in varying weather and environmental conditions.
  • Valid driver’s license with an acceptable driving record.
  • Ability to participate in an on-call service rotation.
  • Ability to travel locally between customer sites.
Responsibilities
  • Perform preventative maintenance, troubleshooting, and repair on commercial HVAC equipment, including chillers, rooftop units, air handling units, boilers, pumps, and hydronic systems.
  • Diagnose mechanical and electrical faults using appropriate tools and testing equipment.
  • Perform system startups, inspections, and operational testing.
  • Replace defective components and ensure equipment operates within manufacturer specifications.
  • Maintain proper documentation of service work performed.
  • Assist with troubleshooting and servicing building automation and controls systems.
  • Interface with building automation systems platforms to identify alarms, trends, and system performance issues.
  • Verify operation of sensors, actuators, control valves, and control sequences.
  • Coordinate with building automation systems engineers or controls specialists for advanced programming or system modifications.
  • Represent the company professionally while interacting with customers on job sites.
  • Communicate service findings, recommended repairs, and operational concerns to customers and internal management.
  • Maintain customer relationships through responsive and professional service delivery.
  • Complete detailed service reports and documentation for all work performed.
  • Record equipment conditions, parts used, and recommendations for future service.
  • Maintain accurate time and job reporting through company systems.
  • Adhere to company safety policies and Occupational Safety and Health Administration regulations.
  • Use proper personal protective equipment and safe work practices during service activities.
  • Participate in safety meetings, training, and compliance programs.
Desired Qualifications
  • Three or more years of experience servicing commercial HVAC equipment.
  • Experience with building automation systems or controls.
  • Technical or vocational training in HVAC, refrigeration, or mechanical systems.
  • EPA Universal Certification.
  • Additional manufacturer or building automation systems certifications.
  • Familiarity with building automation systems platforms and control devices.

About the company

ModernControls designs and installs building automation systems and services commercial heating, ventilation, air conditioning and refrigeration equipment. Its controls connect mechanical equipment with lighting and energy monitoring, giving facility managers a central view of building conditions and operating performance. The company also replaces equipment, maintains mechanical systems and balances air and water flows for commercial and institutional facilities. Installation projects, repair work and ongoing service arrangements generate revenue, combining technical design with field maintenance. ModernControls is based in New Castle, Delaware, and operates within the Orion Services Group network.

Company Size

N/A

Company Stage

N/A

Total Funding

N/A

Headquarters

New Castle, DE

Founded

N/A

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Simplify's Take

What believers are saying

  • ModernControls covers medical premiums for eligible employees and eligible spouses/dependent children, as advertised for its New Castle APM vacancy.
  • New Castle's full-time ModernControls Warehouse Delivery Driver receives required safety tools and equipment, plus OSHA training.
  • ModernControls advertises $22-$25 per hour, based on experience, for its full-time Warehouse Delivery Driver in New Castle.

What critics are saying

  • ModernControls' APM posting in New Castle advertises PTO for eligible non-union employees after a 90-day waiting period.
  • Millersville's ModernControls HVAC Service Technician needs on-call availability and local travel between customer sites.
  • ModernControls' Millersville HVAC technician must handle up to 50 pounds and access rooftops, ladders and confined spaces.

What makes ModernControls unique

  • ModernControls has been an authorized Johnson Controls building-control specialist since 1991, tying its practice to a longstanding manufacturer relationship.
  • ModernControls holds NEBB certification for air and water balancing plus building commissioning, adding independently assessed technical scope.
  • ModernControls equips clients for mobile remote monitoring and trains their teams to operate the building automation dashboard.

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