Florida Premier Mechanical logo representing residential HVAC design, commercial mechanical engineering, and load calculation services.

Florida HVAC Design, Load Calculations, and Permit‑Ready Mechanical Plans for Residential and Commercial Projects

Florida Premier Mechanical provides accurate HVAC design, Manual J/S/D calculations, duct layouts, equipment selection, and permit‑ready mechanical plans for residential and commercial projects across Florida. We help builders, contractors, and homeowners meet Florida Building Code requirements with efficient, compliant, and professionally engineered mechanical designs.

Manual J, Manual S, and Manual D HVAC design manuals used for residential load calculations, equipment selection, and duct design.

Commercial rooftop HVAC unit used for load calculations and equipment selection in light commercial mechanical design.

Commercial Mechanical Engineering & HVAC Design

From tenant build‑outs to light commercial buildings, we deliver mechanical plans that meet Florida Building Code requirements and support smooth permitting. Our commercial services include load calculations, equipment sizing, ventilation design, and coordination with architectural and structural plans.


Energy Calculations & Florida Code Compliance

We prepare energy calculations required for Florida permitting, ensuring your project meets the latest energy efficiency standards. Our reports are accurate, fast, and aligned with the 2023 Florida Building Energy Code, helping you avoid delays and resubmittals.

Energy calculation report used for Florida residential and commercial building code compliance and permitting.

COMcheck energy code compliance icon for Florida commercial projects requiring verified mechanical and building documentation.

COMcheck Documentation for Commercial Projects

We generate COMcheck reports to verify commercial energy code compliance for HVAC, lighting, and building envelope requirements. Our documentation is clear, complete, and accepted by building departments across Florida.


Custom Home Mechanical Plans

For custom homes and high‑end residential projects, we create fully coordinated mechanical plans that integrate HVAC layouts, equipment locations, duct routing, and code‑required details. Our plans support smooth construction and clean permitting.

Custom home mechanical plans illustrating HVAC design, load calculations, and duct layout for Florida residential projects.

Residential HVAC Design Services

We provide complete residential HVAC design packages for custom homes, remodels, additions, and new construction. Our services include Manual J load calculations, Manual S equipment selection, Manual D duct design, and detailed mechanical plans tailored to your project. Every design is code‑compliant, accurate, and ready for permitting.

About our company

Florida Premier Mechanical, LLC is a one-person engineering firm run by a licensed Florida PE who’s passionate about helping builders, contractors, and architects get fast, accurate, and permit-ready mechanical designs.


Hi there! My name is Justin and I specialize in HVAC load calculations, energy code compliance, and custom mechanical plans — all tailored to Florida’s unique climate and building standards. I started this company to make the process smoother for people who need reliable engineering without the runaround. Every project gets my full attention, and I take pride in delivering clean, code-compliant work that helps you move forward without delays. Whether it’s a Manual J or a full set of mechanical plans, I’m here to make it simple, fast, and professional.

Professional headshot of the founder of Florida Premier Mechanical, a Florida HVAC design and mechanical engineering company.

Let’s Work Together

Whether you’re a builder, contractor, architect, or homeowner, we provide reliable mechanical design services that keep your project moving. Clear communication, fast turnaround, and accurate documentation are at the core of how we work.

If you're interested in working with us, complete the form with a few details about you and your project. We'll review your message and get back to you within 24 hours.