HVAC Design

Cooling loads, airflow, duct sizing, static pressure, chilled water and equipment selection.

15 tools — 4 of them free

Guided workflows for this discipline

Start now — free calculators, no sign-up

What do Professional and Premium add?

Calculators with full guides in this discipline

Tools

ProfessionalAvailable now

Cooling Load Calculator

Estimate cooling loads for conditioned spaces.

View tool
PremiumAvailable now

Room-by-Room Cooling Load

Break cooling loads down room by room.

View tool
FreeAvailable now — free

Airflow / CFM Calculator

Determine required air flow rates.

View tool
FreeAvailable now — free

ACH Calculator

Calculate air changes per hour for a space.

View tool
ProfessionalAvailable now

Fresh Air Calculator

Estimate outdoor air requirements.

View tool
ProfessionalAvailable now

Duct Sizing

Determine air duct sizes.

View tool
ProfessionalAvailable now

Duct Quantity Take-off

Take off duct sheet-metal areas in m² from centimetre inputs.

View tool
ProfessionalAvailable now

Chiller Pipe Quantity Take-off

Take off chilled-water pipe lengths per diameter (mm) with a 5% safety allowance per size.

View tool
FreeAvailable now — free

Duct Velocity Check

Review duct air velocities against design limits.

View tool
ProfessionalAvailable now

External Static Pressure

Estimate system external static pressure.

View tool
ProfessionalAvailable now

Chilled Water Pipe Sizing

Determine chilled water pipe sizes.

View tool
ProfessionalAvailable now

Pump Head

Estimate required pump head.

View tool
PremiumAvailable now

FCU/AHU Selection Assistant

Support FCU and AHU equipment selection.

View tool
PremiumAvailable now

Full HVAC Project BOQ

A complete bill of quantities for every air-conditioning system type, with optional line items, pricing and PDF export.

View tool
FreeAvailable now — free

HVAC Unit Converter

Convert common HVAC units of measurement.

View tool

Integrated Suites

HVAC Design Suite

Premium

An integrated workflow from cooling load through to the professional report.

  1. Cooling Load
  2. Airflow
  3. Duct Sizing
  4. ESP
  5. Chilled Water
  6. Pump Head
  7. Equipment Assistance
  8. Professional Report

Other categories