HVAC Designer

IES is a national provider of industrial products and infrastructure services, serving commercial, industrial, residential, and renewable energy markets. As of fiscal year 2025, IES produced over $3.3 billion in revenue and employed over 10,200 employees across more than 174 domestic locations.

About the role

The HVAC Designer supports residential HVAC design and estimating by preparing system layouts, load calculations, equipment selections, and project documentation while ensuring accuracy and code compliance. This role collaborates with internal teams and project partners using AutoCAD, Right Suite Universal, and other tools to develop efficient and constructible HVAC solutions.

Responsibilities

• Prepare and update residential HVAC system designs, layouts, technical drawings, schematics, and related project documentation using AutoCAD, Right Suite Universal, and other applicable design software.
• Perform heating and cooling load calculations for residential projects across a variety of geographic locations within the continental United States.
• Size and select appropriate HVAC equipment, including heating and cooling units, ventilation systems, ductwork, and controls, in accordance with ACCA Manual S and applicable design standards.
• Review project plans, specifications, scopes of work, and other documentation to determine HVAC design and estimating requirements.
• Ensure HVAC designs comply with applicable local, state, and national building codes, regulations, industry standards, and company requirements.
• Coordinate with builders, engineers, project managers, field teams, electrical, plumbing, and other disciplines to integrate HVAC systems into overall building designs and identify potential conflicts.
• Utilize AutoCAD and applicable clash detection processes to identify and help resolve design and system coordination concerns.
• Prepare and maintain accurate design calculations, equipment schedules, project files, reports, and technical documentation within company systems.
• Incorporate energy-efficient solutions and sustainable practices into HVAC system designs and assist in establishing target volumes for duct testing.
• Assist with project bidding and estimating activities, including performing takeoffs of materials, equipment, and labor using estimating software.
• Assist with preparing project proposals and maintaining, monitoring, and updating bid templates and estimating information as directed.
• Collaborate with project managers and operational teams to address design-related issues and provide technical support during bidding, project execution, and construction.
• Maintain a fundamental understanding of HVAC materials, equipment, installation methods, and field applications to support practical and constructible designs.
• Stay current on applicable building codes, industry standards, regulations, design practices, and emerging HVAC technologies.
• Maintain professionalism and effective communication throughout all interactions with customers, builders, coworkers, vendors, subcontractors, and business partners.
• Perform additional duties as assigned.

Requirements

• Proficiency and demonstrated experience using AutoCAD.
• Strong organizational and time management skills.
• Excellent verbal, written, and interpersonal communication abilities.
• Strong attention to detail and commitment to producing accurate, high-quality work.
• Strong analytical and problem-solving skills.
• Ability to multitask and manage priorities in a fast-paced project environment.
• Ability to work independently while collaborating effectively with builders, project managers, engineers, field teams, and other departments.
• Ability to interpret construction plans, specifications, scopes of work, schedules, takeoffs, and other design documentation.
• Knowledge of HVAC system design principles, equipment selection, heating and cooling load calculations, and residential construction practices.
• Understanding of applicable building codes, regulations, ACCA standards, and HVAC industry requirements.
• Proficiency in Right Suite Universal, Elite HVAC design software, CAD tools, estimating software, and Microsoft Office preferred.
• Fundamental understanding of HVAC materials, equipment, and field applications.
• Ability to support estimating activities, including material, equipment, and labor takeoffs.
• Strong customer service, collaboration, and project coordination skills.
• Willingness to learn and remain current on HVAC technologies, codes, standards, and design practices.
• Ability to pass pre-employment screenings such as background and motor vehicle record checks.
• English speaking, reading, and writing preferred, and required where necessary to perform job duties.
• Maintain professionalism and a positive, respectful demeanor with customers, coworkers, builders, and business partners.
• Bachelor's degree in Mechanical Engineering, HVAC Design, or a related field preferred.
• Entry- to mid-level HVAC design, field, estimating, drafting, or related construction experience preferred.
• Experience with residential new construction and HVAC system design preferred.
• Experience with Right Suite Universal, Elite HVAC design software, or similar HVAC design platforms preferred.
• Experience performing residential heating and cooling load calculations and equipment sizing preferred.
• Knowledge of ACCA Manual S, building codes, HVAC regulations, and applicable industry standards preferred.
• Experience reviewing construction plans, specifications, performing takeoffs, or supporting project bidding and estimating is a plus.
• Relevant HVAC, design, engineering, or industry certifications or licenses preferred, and required where necessary to perform job duties.
• Ability to work in a typical office environment, sitting at a desk and performing prolonged computer and CAD work, with occasional standing, walking, bending, and reaching.
• Maintain dependable transportation and consistent, reliable attendance to meet project and operational needs.
• Ability to exercise sound judgment and make independent decisions within established company policies, procedures, design standards, and project requirements.
• Ability to work overtime, modified schedules, or occasional weekends as business needs require.
• Travel as required to support project, field, and operational needs.
• Perform all work on-site and in person Monday through Friday in the Carrollton, Texas area; this is not a remote or hybrid position.
• Lift, carry, push, and pull at least 25 pounds.
• Candidates must be authorized to work in the United States on a full-time basis without current or future need for employer sponsorship.

Benefits

• Competitive pay
• Company 401K plan with employer contribution match
• Company paid time off
• Company paid life insurance
• Choice of medical coverage including prescription and short-term disability plans
• Choice of dental and vision coverage
• Optional long-term disability, critical illness, accident, legal, and pet coverage
• Auto and home insurance discount programs