Commercial HVAC Design for Retail

I need a professional to design an HVAC system for a retail space in a commercial building.

Requirements:
- The retail space is less than 5,000 square feet.
- The system should ensure optimal temperature and air quality for customer comfort and product preservation.

Ideal Skills and Experience:
- Experience in designing HVAC systems for commercial and retail spaces.
- Knowledge of local building codes and regulations.
- Ability to provide detailed design plans and specifications.

Please include your portfolio and relevant experience in your bids.