Hatch & Portlight Size & Light / Ventilation Estimator

Space Specifications

Space Type

Select the type of space for ventilation and lighting calculations.

Space Dimensions

Length

Width

Height

Lighting & Ventilation Needs

Maximum Occupancy

people

Climate Zone

Primary Usage

Light Priority

Opening Specifications

Opening Type

Material Type

Glass Type

Primary Orientation

Light & Ventilation Analysis

Min Hatch Size

inches

Air Changes

per hour

Light Level

Performance Analysis

Ventilation Efficiency

Natural Lighting

Thermal Comfort

Moisture Control

Ventilation: 75%
Lighting: 85%
Thermal: 60%
Moisture: 70%

Size vs Performance Analysis

Chart shows performance across different opening sizes

Detailed Specifications

Room Volume: 0 cubic ft

Recommended Area: 0 sq inches

Air Flow Rate: 0 CFM

Daylight Factor: 0%

Recommended Count: 0 openings

Optimal Placement: -

Glass Area Ratio: 0%

Comfort Score: 0/10

Based on marine standards and building ventilation codes.

Installation & Design Recommendations

Place openings to create cross-ventilation airflow patterns

Consider wind direction and prevailing breezes for optimal placement

Ensure emergency egress capability for all occupied spaces

Balance natural light with thermal insulation requirements