Services

HVAC Load Calculations & Code Compliance

Calc Wizards delivers permit-ready HVAC load calculations and energy code documentation for Florida projects. We produce Manual J heat load calculations, Manual S equipment selection, Manual D duct design, and R402/R405 energy code compliance reports that align with ACCA standards and Florida Building Code—so contractors, builders, and homeowners get right-sized systems, balanced airflow, and faster approvals across Tampa Bay and beyond.

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Manual J

Permit-ready Manual J load calculations sized to Florida climate zones for comfort, efficiency, and code compliance.

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Manual S

Manual S equipment selection matches Manual J loads to manufacturer data for humidity control, reliability, and lower operating cost.

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R402 & R405

R402 prescriptive and R405 performance-path calculations that prove Florida energy code compliance and speed permits.

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Manual D
Duct Design

Manual D duct design balances airflow and static pressure for even room temperatures, quiet operation, and inspector-friendly installs.

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Blower Door Testing

We detect drafts and leaks in your home, offering a clear pathway to enhanced energy efficiency.

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Duct
Design

We design efficient ductwork systems that optimize air distribution and minimize energy loss.

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Duct
Design

We design efficient ductwork systems that optimize air distribution and minimize energy loss.

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Duct Leakage Testing

Our team identifies and addresses leaks in your ductwork, helping you save on energy costs and maintain indoor air quality.

HVAC Load Testing & Diagnostics

Prove performance with verified results. Our Tampa Bay team provides blower door testing and duct leakage testing to quantify air infiltration, document duct tightness, and help you pass Florida energy inspections on the first attempt—reducing callbacks, improving HERS/energy scores, and supporting R402/R403/R405 compliance.

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Blower Door Testing

We detect drafts and leaks in your home, offering a clear pathway to enhanced energy efficiency.

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Duct Leakage Testing

Our team identifies and addresses leaks in your ductwork, helping you save on energy costs and maintain indoor air quality.

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Blower Door Testing

We detect drafts and leaks in your home, offering a clear pathway to enhanced energy efficiency.

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Duct Leakage Testing

Our team identifies and addresses leaks in your ductwork, helping you save on energy costs and maintain indoor air quality.