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🌍 Location & Ambient
m
kPa
☀️ Outdoor Conditions
°C
°C
%
kJ/kg
🏠 Indoor / Supply Conditions
°C
%
°C
%
💨 Airflow Requirements
Dehum: -- CFM
CFM
CFM
CFM
CFM
CFM
mmWG
mmWG
⚙️ Equipment Configuration
°C
°C
🏗️ Casing & Construction
mm
🔲 Duct Connections
mm
mm
mm
mm
📐 Drawing Details
📏 Section Lengths (mm)
mm
mm
mm
mm
mm
mm
ℹ️ Run calculation to view psychrometric analysis
Psychrometric Chart (ASHRAE Method)
Air State Points
| State | DB (°C) | WB (°C) | RH (%) | W (g/kg) | h (kJ/kg) | v (m³/kg) | Tdp (°C) |
|---|---|---|---|---|---|---|---|
| No data | |||||||
Dehumidification Analysis
Mixed Air W
--
g/kg
Supply Air W
--
g/kg
Moisture Removed
--
g/kg
Dehumidified CFM
--
CFM
ℹ️ Enter parameters and click Calculate
Length
--
mm
Width
--
mm
Height
--
mm
Cooling
--
kW
Motor
--
HP
CHW Flow
--
LPM
Design Details
| Parameter | Value | Unit |
|---|---|---|
| No data | ||
Fan Selection
| Model | Type | Size | Speed | Efficiency | Motor |
|---|---|---|---|---|---|
| No data | |||||
Total Length
--
mm
Total Width
--
mm
Total Height
--
mm
Sections
--
Section Layout
Section Breakdown
| Section | Length | Width | Height | Components |
|---|---|---|---|---|
| No data | ||||
Panel Details (L × W × H)
| Sr | Location | L (mm) | W (mm) | H (mm) | Area (m²) | Qty | Weight (kg) |
|---|---|---|---|---|---|---|---|
| No data | |||||||
Bill of Materials
| Sr | Category | Description | Specification | Qty | UOM | Wt (kg) |
|---|---|---|---|---|---|---|
| No data | ||||||
📐 General Arrangement Drawing - Professional Edition
View:
Style:
✅ Industry Standard | ISO 128 | Color Coded | With Legend
🌀 Fan Database
CFM
mmWG
❄️ Cooling Coil Database
TR
m/s
🔲 Filter Database
⚡ Motor Database
HP
🏢 Room Details
m
m
m
m²
🧱 Building Envelope - Sensible Heat
m²
W/m²K
m²
W/m²K
m²
W/m²K
W/m²
👥 Internal Heat Gains
nos
W/m²
W/m²
💧 Latent Heat & Ventilation
W
L/s
ACH
%
📊 Heat Load Summary
Click Calculate to see results...
🔥 Heating Coil
💨 Humidifier
☢️ UV Sterilizer (Hospital/Pharma)
♻️ Heat Recovery
🌡️ Economizer / Free Cooling
°C
%
⚡ VFD for Fan Motor
🚪 Dampers
mm
mm
🚿 Drain Pan Design
mm
mm
L/hr
❄️ Cooling Coil Design
TR
CFM
°C
°C
💧 Chilled Water Parameters
°C
°C
°C
m²K/W
📐 Coil Construction
📊 Coil Selection Results
Click Calculate Coil to see results...
📉 Pressure Drop Analysis
Pa
kPa
m/s
🚿 Condensate & Drain
L/hr
mm
mm
mm
📈 Fan Performance Curve
Operating Point
System Curve
⚠️ Coil & Filter Validation
⚠️ No validation data yet
Please go to Tab 1 (📝 Project) and click the "🔄 Calculate" button first.
🔥 Heating Coil Type
°C
°C
💧 Hot Water Parameters
°C
°C
📊 Heating Coil Results
Click Calculate to see results...
❄️ DX Coil Option (Alternative)
°C
K
K
💨 Humidifier Sizing
°C
%
%
📏 Duct Sizing Inputs
CFM
Pa/m
Main: 0.8-1.0, Branch: 1.0-1.5
m/s
Main: 6-10, Branch: 4-6
🔧 Pressure Drop - Fittings
m
m/s
Click "Calculate Duct Size" to see results
📋 Velocity Guidelines (ASHRAE)
| Application | Main Duct | Branch | Diffuser Neck |
|---|---|---|---|
| Residence | 5-6 m/s | 3-4 m/s | 2-3 m/s |
| Office/Hotel | 6-8 m/s | 4-6 m/s | 3-4 m/s |
| Hospital | 6-8 m/s | 4-5 m/s | 2-3 m/s |
| Retail | 8-10 m/s | 5-7 m/s | 4-5 m/s |
| Industrial | 10-15 m/s | 7-10 m/s | 5-8 m/s |
⚡ VFD Energy Savings Calculator
Based on Affinity Laws: Power ∝ Speed³
hrs
hrs
hrs
₹/kWh
📊 Affinity Laws Reference
| Speed % | Flow % | Pressure % | Power % |
|---|---|---|---|
| 100% | 100% | 100% | 100% |
| 90% | 90% | 81% | 73% |
| 80% | 80% | 64% | 51% |
| 70% | 70% | 49% | 34% |
| 60% | 60% | 36% | 22% |
| 50% | 50% | 25% | 12.5% |
Calculate AHU first, then click "Calculate VFD Savings"
♻️ Heat Recovery Configuration
CFM
°C
°C
°C
%
📋 HR Type Comparison
| Type | Sensible | Latent | ΔP | Cross-cont. |
|---|---|---|---|---|
| Wheel | 70-80% | 60-70% | 150Pa | Yes (1-3%) |
| Plate | 65-75% | 0% | 200Pa | No |
| Run-around | 50-60% | 0% | 100Pa | No |
| Heat Pipe | 55-65% | 0% | 80Pa | No |
Click "Calculate Heat Recovery" to see results
🔊 Sound Calculations
dB(A)
dB
dB(A)
📏 Duct Attenuation
m
dB/m
dB
nos
dB each
dB
🏠 Room Sound Level
m³
m²
nos
dB(A)
dB(A)
🔇 Silencer Recommendation
Calculate sound levels first...
📊 NC Criteria Reference
| Application | Recommended NC | Max dB(A) |
|---|---|---|
| Recording Studio | NC-15 to 20 | 25-30 |
| Hospital (OT, ICU) | NC-25 to 30 | 35-40 |
| Private Office | NC-30 to 35 | 40-45 |
| Open Office | NC-35 to 40 | 45-50 |
| Retail/Restaurant | NC-40 to 45 | 50-55 |
| Factory/Workshop | NC-50 to 60 | 60-70 |
🎮 3D CAD Model - Professional View
🔧 ASSEMBLY VIEW
Scale: 1:20 | Grid: 100mm
📦 Component Tree
■ 🏗️ CASING & STRUCTURE
■ 🔲 FILTRATION SYSTEM
■ ❄️ COOLING COIL ASSEMBLY
■ 🌀 FAN & DRIVE SYSTEM
■ 📤 DUCT CONNECTIONS
■ ⚙️ ACCESSORIES