Residential New Construction Draftsman (HVAC)

D'SPAIN SALES & SERVICE, INC.; San Antonio (TX); On-site; USD 55,000 - 75,000; Full time

Benefits offered by this job

401k

Health/dental/vision insurance

Paid time off

Job summary

D'SPAIN SALES & SERVICE, INC. in San Antonio, TX is seeking an Assistant HVAC Designer focused on residential design.

You will handle the full design process, including Manual J load calculations, plan reviews, and equipment sizing, collaborating with Construction and Sales Managers to meet project needs. The role emphasizes quality, cost-efficiency, and timely deliverables, with hands-on use of AutoCAD and Wrightsoft to prepare layouts and drawings for new homes and remodels.

Qualifications

• 3+ years of residential HVAC design experience.
• Familiarity with Manual J, D, Wrightsoft, and related software.
• Understanding IECC/state codes for residential design.

Responsibilities

• Assist the designer and team on new residential builds and remodels.
• Perform and review Manual J load calculations and duct sizing.
• Create HVAC layout drawings using AutoCAD or equivalent.
• Coordinate with construction and sales to meet project needs.
• Manage project data in Excel and related tools.

Skills

Residential HVAC design

IECC knowledge

Detail oriented

Tools

AutoCAD

Wrightsoft

Job description

Summary

Reports to the RNC Lead Designer and Construction Manager. This position will entail the entire design process including, but not limited to, AutoCAD, Manual J load Calculations, and Plan review and revisions for new construction projects and retro fit replacement projects. The assistant designer will also be responsible for providing equipment selection and sizing and will be working closely with Construction and Sales Managers to make sure needs are met. The focus will be on quality, efficient, and cost-effective design with an attempt to reduce cost where/when possible.

Duties

• Assists the designer, estimator, sales department, and field supervisors on matters related to designing new custom residential home construction projects and remodels.
• Perform and review HVAC load calculations, duct sizing, and system sizing per ACCA Standards
• Experience using Wrightsoft for performing Manual J8 (Load) calculations with the inclusion of current specification (builder and code specific)
• Design working drawings of HVAC layouts derived from Manual J load calculations, and Manual D duct design using AutoCAD or other drawing programs
• Be able to do plan Take offs and procurement of material and equipment for both departments
• Organize scope into major categories to determine primary timetable for deliverables/milestones.
• Manage and control all data through Excel, Job Folders, Teams, and Service Titan
• Job Walks and on site meetings

Requirements

• Candidate must have 3 years+ of relevant experience in Residential Mechanical (HVAC) Design
• Preferred experience: Able to modify and adjust to software - Manual J Software, AutoCAD, Wrightsoft-Wrightdraw, RESCheck, REMrate, and Manual D
• Understand current IECC and state mechanical codes for Residential Design

Qualities

• Positive "can do" attitude with a natural inclination to serve others
• Organized and efficient to anticipate the needs for jobs and use of time efficiently
• Diplomatic with strong communications skills with the ability to know when, what, and how to communicate with all stakeholders
• Strong character and integrity with a commitment to always doing the right thing

Benefits

• Working for a company with a great reputation that cares about the needs of others
• Working with great people who are dedicated to doing a great job
• 401k, health/dental/vision insurance, paid time off