HVAC Sizing Report

Generated Estimate for Installation

Date:
Project Ref:
Design Conditions:

HVAC Sizing Calculator

Professional Load Estimation Tool

1. Site Parameters

ΔT (Diff): 20°

~400 BTU per person

2. Operating Assumptions

1h 8h 24h

Recommended Unit Size

Based on volumetric heat load & ΔT calculation

Cooling / Heating
Capacity (BTU/hr) 0 British Thermal Units
Capacity (kW) 0 Thermal Output
Tonnage 0 Refrigeration Tons

Installer Metrics

  • Est. Airflow Required: 0 CFM
  • Total Area: 0 sq ft
  • Total Volume: 0 cu ft
  • Heat Load Factor: 0 BTU/sq ft
Note: Airflow calculated at approx. 400 CFM per Ton. Adjust for high static pressure or duct constraints.

Estimated Energy Usage

Daily Cost
$0.00
Monthly Cost
$0.00
  • Estimated Input Power: 0 kW
  • Daily Consumption: 0 kWh

*Assumes average SEER/COP efficiency of 3.5. Actual consumption varies by unit efficiency rating.

Disclaimer: This tool provides an estimate based on volumetric load and temperature differential (ΔT). It does not replace a Manual J calculation. Factors like window U-values, air leakage, duct loss, and local humidity may affect actual requirements. Always consult a licensed HVAC professional.