Reliable HVAC Load Calculations in Orlando, FL

When it comes to HVAC design, precision is everything. Even a single miscalculation can cause a chain reaction of problems, ranging from code violations to poor system performance. That’s why professionals throughout Orlando, Florida, count on Calcs-Plus for dependable, permit-ready HVAC load and energy calculations.

Since 1991, we’ve been the trusted partner for builders, architects, contractors, and property owners across Florida who want to get their HVAC designs right the first time. From new construction to renovations and commercial projects, we combine decades of experience with advanced software tools to deliver fast, accurate, and compliant results every time.

Setting the Standard for HVAC Design Accuracy

At Calcs-Plus, we understand that HVAC design is about more than just sizing equipment; it’s about achieving balance, comfort, and efficiency. Our team provides a full range of services designed to help Orlando clients in a variety of industries move smoothly from the design phase to construction without delays or costly corrections.

Commercial HVAC Calculation Services

Every commercial building in Orlando has its own heating and cooling demands, depending on its size, layout, and use. Calcs-Plus uses advanced CHVAC software and adheres to ACCA and ASHRAE guidelines to create precise calculations for a variety of commercial facilities. Our commercial services include:

  • HVAC load calculations
  • Energy code compliance calculations (Florida Form C405)  Merged with the point 3 down
  • Complete duct and system design
  • Sealed mechanical plans

We provide accurate, data-driven reports to help your project move through permitting, pass inspections, and stay on schedule.

Residential Load Calculations

For homeowners and residential builders, Calcs-Plus specializes in Manual J® load calculations using RHVAC software. These detailed calculations determine the heating and cooling needs of a home or addition, ensuring the selected HVAC system will perform efficiently and reliably.

Our residential services are required by the State of Florida for:

  • New home construction
  • Major renovations
  • Home additions
  • Humidity or comfort problem assessments

From ensuring code compliance to improving comfort, our calculations help homeowners enjoy peace of mind and long-term energy savings.

Florida Energy Code Calculations

Energy efficiency isn’t just a bonus; it’s a state requirement. Calcs-Plus provides EnergyGauge-based energy code calculations to verify compliance with the Florida Building Energy Code for both single-family and multi-family residences. If your home or design doesn’t meet current standards, we can offer practical solutions to bring it up to compliance without compromising comfort or performance.

Expert Duct and System Design

Proper system design ensures that every cubic foot of air travels efficiently to where it’s needed most. Using the principles outlined in Manuals J®, S®, and D®, our specialists design duct systems that provide even airflow, reduce energy loss, and extend equipment lifespan. Whether it’s a custom home or a large-scale commercial project, Calcs-Plus ensures every detail supports comfort and compliance.

Testing & Performance Verification

To satisfy Florida’s building requirements and guarantee system performance, Calcs-Plus offers several on-site diagnostic tests:

  • Blower door testing – Measures airtightness to meet energy code and occupancy standards.
  • Duct leakage testing - Identifies air loss to improve efficiency and air quality.
  • Energy diagnostics – Provides a detailed analysis of annual energy consumption, which is helpful when planning for solar or standby power systems.

These services help you confirm performance, identify inefficiencies, and meet every regulatory requirement.

Vintec Acoustics: Managing Noise & Vibration

Through our Vintec Acoustics division, Calcs-Plus helps Orlando businesses address noise, vibration, and acoustic issues across all types of building and environmental projects, including HVAC systems. From mechanical vibration control to sound testing and optimization, our experts help you create quieter, more comfortable indoor environments.

Why Partner with Calcs-Plus?

Choosing Calcs-Plus means choosing accuracy, accountability, and experience. Our clients continue to rely on us because we:

  • Deliver fully compliant, detailed HVAC calculations
  • Use unbiased data, not equipment sales, to guide design choices
  • Keep projects on schedule with quick turnaround times
  • Offer decades of HVAC expertise across Florida’s diverse climates
  • Provide consistent communication and support from start to finish

Start Your Project the Right Way

If you’re planning a residential or commercial project in Orlando, FL, don’t leave your HVAC calculations to chance. Calcs-Plus offers the accuracy, knowledge, and reliability needed to help you move smoothly from concept to completion.

Contact Calcs-Plus today to get started with professional HVAC load and energy calculations designed to meet your project’s exact requirements.

Helping Your Project,Move From Plans to PermitsContact Us Today