HVAC Design Suite
PremiumAn integrated workflow from cooling load through to the professional report.
- Cooling Load
- Airflow
- Duct Sizing
- ESP
- Chilled Water
- Pump Head
- Equipment Assistance
- Professional Report
ALASOS
Engineering Tools & Calculators
Practical Engineering Tools for Better Decisions
Calculate, estimate, analyse and plan using practical engineering tools designed for engineers, contractors and construction professionals.
9 engineering categories70 tools27 free calculators, no sign-up
The ALASOS ecosystem
- Knowledge
- Calculate
- Analyse
- Apply
- Report
Engineering Categories
Construction Calculators
Concrete, reinforcement, formwork, blockwork, finishes, excavation and backfill quantities.
11 toolsExplore Tools
HVAC Design
Cooling loads, airflow, duct sizing, static pressure, chilled water and equipment selection.
15 toolsExplore Tools
Electrical
Load estimates, current, cable sizing, voltage drop, breakers and generators.
7 toolsExplore Tools
Plumbing
Water demand, tank capacity, pipe sizing, pumps and drainage estimates.
6 toolsExplore Tools
Fire Fighting
Flow, pressure, fire pump and fire water tank estimates.
4 toolsExplore Tools
BOQ & Quantity Surveying
Discipline bills of quantities and a multi-discipline BOQ generator.
7 toolsExplore Tools
Cost & Estimation
Construction cost, unit rate analysis, markup, margin, break-even and tender price.
7 toolsExplore Tools
Project Control
Cash flow, forecasting, cost-to-complete, earned value, variations and KPIs.
8 toolsExplore Tools
Tendering & Risk
Go / No-Go decisions, risk matrix, bid evaluation and subcontractor comparison.
5 toolsExplore Tools
Calculators with full guides
These calculators include the method, the assumptions, a worked example and answers to common questions.
- Concrete Quantity CalculatorConstruction Calculators
- Reinforcement EstimatorConstruction Calculators
- Excavation CalculatorConstruction Calculators
- Tiles / Flooring CalculatorConstruction Calculators
- Airflow / CFM CalculatorHVAC Design
- Cooling Load CalculatorHVAC Design
- Duct SizingHVAC Design
- Voltage DropElectrical
- Cable SizingElectrical
- Water Tank CapacityPlumbing
- Civil BOQBOQ & Quantity Surveying
- Construction Cost CalculatorCost & Estimation
- Earned ValueProject Control
- Plaster CalculatorConstruction Calculators
- Blockwork CalculatorConstruction Calculators
- ACH CalculatorHVAC Design
- Electrical Load EstimateElectrical
- Drainage EstimatorPlumbing
- Basic Flow CalculatorFire Fighting
- Multi-Discipline BOQ GeneratorBOQ & Quantity Surveying
- Unit Rate AnalysisCost & Estimation
- Tender Price CalculatorCost & Estimation
- Project Cash FlowProject Control
Tool Levels
Compare levelsFree
Simple, useful engineering calculators available to everyone.
Professional
Advanced calculations, project saving, comparisons, calculation history and professional PDF/Excel reports.
Premium
Complete integrated engineering workflows and suites.
Integrated Engineering Suites
Integrated workflows that connect calculations through to the final report, rather than isolated calculators.
Construction Estimation Suite
PremiumQuantities to cost to report in a single workflow.
- Quantities
- Wastage
- Resources
- Unit Rates
- Cost
- Professional Report
Electrical Design Suite
PremiumFrom load estimation through cable and protection selection.
- Loads
- Current
- Cable Size
- Voltage Drop
- Breakers
- Professional Report
Plumbing Design Suite
PremiumFrom water demand through pumps and drainage.
- Water Demand
- Storage
- Pipe Sizing
- Pumps
- Drainage
- Professional Report
Fire Fighting Calculation Suite
PremiumAn integrated preliminary calculation workflow for fire fighting systems.
- Flow
- Pressure
- Pump
- Tank
- Professional Report
BOQ Generator
PremiumBuild multi-discipline bills of quantities into one structured output.
- Disciplines
- Items
- Quantities
- Rates
- Professional Export
Project Control Suite
PremiumCost, progress and cash flow monitoring in one place.
- Budget
- Progress
- Earned Value
- Cash Flow
- KPIs
- Professional Report
Contractor Business Suite
PremiumCommercial and financial tools for running a contracting business.
- Pricing
- Margins
- Break-Even
- Tenders
- Risk
- Professional Report
My Engineering Workspace
Organise projects, calculations, BOQs, estimates and reports in one place.
View planned structureProfessional Reports
PDF and Excel outputs carrying ALASOS branding, project name, inputs, assumptions, results, date, version number and disclaimer.
View reports