General Job Description:
Position Overview
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.
Primary Responsibilities
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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.
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Perform heating and cooling load calculations for residential projects across a variety of geographic locations within the continental United States.
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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.
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Review project plans, specifications, scopes of work, and other documentation to determine HVAC design and estimating requirements.
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Ensure HVAC designs comply with applicable local, state, and national building codes, regulations, industry standards, and company requirements.
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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.
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Utilize AutoCAD and applicable clash detection processes to identify and help resolve design and system coordination concerns.
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Prepare and maintain accurate design calculations, equipment schedules, project files, reports, and technical documentation within company systems.
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Incorporate energy-efficient solutions and sustainable practices into HVAC system designs and assist in establishing target volumes for duct testing.
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Assist with project bidding and estimating activities, including performing takeoffs of materials, equipment, and labor using estimating software.
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Assist with preparing project proposals and maintaining, monitoring, and updating bid templates and estimating information as directed.
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Collaborate with project managers and operational teams to address design-related issues and provide technical support during bidding, project execution, and construction.
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Maintain a fundamental understanding of HVAC materials, equipment, installation methods, and field applications to support practical and constructible designs.
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Stay current on applicable building codes, industry standards, regulations, design practices, and emerging HVAC technologies.
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Maintain professionalism and effective communication throughout all interactions with customers, builders, coworkers, vendors, subcontractors, and business partners.
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Perform additional duties as assigned.
Minimum Education: None Minimum Years of Experience: 2-4 Specific Qualifications:
Required Skills and Abilities
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Proficiency and demonstrated experience using AutoCAD.
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Strong organizational and time management skills.
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Excellent verbal, written, and interpersonal communication abilities.
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Strong attention to detail and commitment to producing accurate, high-quality work.
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Strong analytical and problem-solving skills.
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Ability to multitask and manage priorities in a fast-paced project environment.
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Ability to work independently while collaborating effectively with builders, project managers, engineers, field teams, and other departments.
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Ability to interpret construction plans, specifications, scopes of work, schedules, takeoffs, and other design documentation.
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Knowledge of HVAC system design principles, equipment selection, heating and cooling load calculations, and residential construction practices.
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Understanding of applicable building codes, regulations, ACCA standards, and HVAC industry requirements.
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Proficiency in Right Suite Universal, Elite HVAC design software, CAD tools, estimating software, and Microsoft Office preferred.
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Fundamental understanding of HVAC materials, equipment, and field applications.
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Ability to support estimating activities, including material, equipment, and labor takeoffs.
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Strong customer service, collaboration, and project coordination skills.
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Willingness to learn and remain current on HVAC technologies, codes, standards, and design practices.
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Ability to pass pre-employment screenings such as background and motor vehicle record checks.
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English speaking, reading, and writing preferred, and required where necessary to perform job duties.
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Maintain professionalism and a positive, respectful demeanor with customers, coworkers, builders, and business partners.
Education/Experience
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Bachelor's degree in Mechanical Engineering, HVAC Design, or a related field preferred.
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Entry- to mid-level HVAC design, field, estimating, drafting, or related construction experience preferred.
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Experience with residential new construction and HVAC system design preferred.
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Experience using AutoCAD required.
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Experience with Right Suite Universal, Elite HVAC design software, or similar HVAC design platforms preferred.
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Experience performing residential heating and cooling load calculations and equipment sizing preferred.
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Knowledge of ACCA Manual S, building codes, HVAC regulations, and applicable industry standards preferred.
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Experience reviewing construction plans, specifications, performing takeoffs, or supporting project bidding and estimating is a plus.
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Relevant HVAC, design, engineering, or industry certifications or licenses preferred, and required where necessary to perform job duties.
Physical Requirements
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Communicate in person, by phone, and through email.
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Work in a typical office environment, sitting at a desk and performing prolonged computer and CAD work, with occasional standing, walking, bending, and reaching.
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Maintain dependable transportation and consistent, reliable attendance to meet project and operational needs.
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Ability to exercise sound judgment and make independent decisions within established company policies, procedures, design standards, and project requirements.
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Ability to work overtime, modified schedules, or occasional weekends as business needs require.
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Travel as required to support project, field, and operational needs.
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Perform all work on-site and in person Monday through Friday in the Carrollton, Texas area; this is not a remote or hybrid position.
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Lift, carry, push, and pull at least 25 pounds.
This position is not eligible for visa sponsorship or work authorization support. Candidates must be authorized to work in the United States on a full-time basis without current or future need for employer sponsorship.
License Required: Yes Job Locations: US-TX-Carrollton Company Overview:
IES is a national provider of industrial products and infrastructure services to a variety of end markets, including electrical, mechanical and communications contracting solutions for the commercial, industrial, residential and renewable energy markets. IES is publicly traded on NASDAQ under the symbol IESC. As of the end of IES’s 2025 fiscal year ending September 30, 2025, IES produced over $3.3 billion in revenue and employed over 10,200 employees at over 174 domestic locations across the United States.
Our commitment to our employees is reflected by our actions:
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Safety is Priority One – and our record shows it
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Competitive Pay
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Company 401K plan with Employer Contribution Match
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Company Paid Time Off
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Company Paid Life Insurance
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Choice of Medical Coverage including Prescription and Short Term Disability Plans
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Choice of Dental and Vision Coverage
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Optional Long-term Disability, Critical Illness, Accident, Legal and Pet Coverage
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Auto and Home Insurance Discount Programs
EEO Statement:
PLEASE NO AGENCY CALLS.
NOTE TO ALL AGENCIES: Any unsolicited agency resumes or agency represented candidates that are presented to any IES employee without first having a signed contract between that agency and the IES Talent Acquisition organization will become the property of IES and no fees will be paid.
EEO & Affirmative Action
The IES policy on equal employment opportunity prohibits discrimination based on race, color, religion, national origin, sex, age, gender identity, sexual orientation, individuals with disabilities, protected veterans, or any other protected status or characteristic. This policy applies to recruiting, hiring, transfers, promotions, terminations, compensation, benefits, and all other terms and conditions of employment, and also states that retaliation against any employee who files a complaint regarding possible violations of this policy will not be tolerated. IES is also committed to taking affirmative steps to promote the employment of minorities, women, individuals with disabilities, and protected veterans. IES develops affirmative action programs to support its commitment to equal employment opportunity, consistent with company policy and the company’s obligations as a contractor to the United States government.
View Your Equal Employment Opportunity rights under the law. "Know Your Rights: Workplace Discrimination is Illegal; Conozca sus Derechos: La Discriminación en el Lugar de Trabajo es Ilegal
Disability Accommodation
IES is an Equal Opportunity/Affirmative Action Employer. IES provides reasonable accommodation for individuals protected by Section 503 of the Rehabilitation Act of 1973, the Vietnam Era Veterans' Readjustment Assistance Act of 1974 and Title I of the Americans with Disabilities Act of 1990. Applicants who need accommodation in the job application process should contact the IES corporate office at (713) 860-1500 or any IES office to request assistance.
IES Participates in E-Verify/IES participa en el programa E-Verify
E-Verify Information/ Información sobre E-Verify
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Right to Work/Ley de Derecho al Trabajo
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