Professional Hydronic System Design

Complete engineering design services for radiant heating and snow-melt systems. From heat-loss calculations to detailed installation drawings.

What's Included in Our System Design

Heat Loss Calculations

Detailed room-by-room heat loss calculations using NZS 4218 methodology and local climate data.

  • • Wall, floor, ceiling heat losses
  • • Window and door calculations
  • • Infiltration and ventilation loads
  • • Safety factors and diversity

Pipe Sizing & Layout

Optimized pipe routing and sizing for maximum efficiency and cost-effectiveness.

  • • Loop length calculations
  • • Pipe diameter sizing
  • • Pressure drop analysis
  • • Manifold positioning

Equipment Selection

Professional selection and sizing of boilers, heat pumps, pumps, and control systems.

  • • Boiler/heat pump sizing
  • • Pump selection and curves
  • • Mixing valve specifications
  • • Control system design

Technical Drawings

Professional CAD drawings suitable for building consent and contractor installation.

  • • Floor plan layouts
  • • Piping schematics
  • • Isometric drawings
  • • Detail sections

NZ Compliance

Designs meet New Zealand Building Code requirements and industry standards.

  • • NZ Building Code compliance
  • • Council submission ready
  • • Engineer certification available
  • • AS/NZS standards adherence

Support & Revisions

Ongoing support throughout the project with revisions and technical assistance.

  • • 2 rounds of revisions
  • • Installation support
  • • Contractor Q&A
  • • Commissioning guidance

Our Design Process

1

Initial Consultation

We review your architectural plans, discuss project requirements, and conduct site assessment if needed.

2

Heat Loss Analysis

Detailed room-by-room heat loss calculations using NZ climate data and building construction details.

3

System Design

Loop layouts, pipe sizing, equipment selection, and hydraulic calculations for optimal performance.

4

Technical Drawings

Professional CAD drawings including floor plans, schematics, and installation details.

5

Review & Delivery

Final review with client, delivery of complete design package, and ongoing support during installation.

System Design Pricing

Residential Basic

$2,500

Up to 200m² floor area, single zone system

  • • Heat loss calculations
  • • Basic loop layout
  • • Equipment specification
  • • Installation drawings
  • • 1 round of revisions
Most Popular

Residential Premium

$4,500

Up to 500m² floor area, multi-zone system

  • • Complete heat loss analysis
  • • Multi-zone loop design
  • • Full equipment selection
  • • Detailed CAD drawings
  • • Control system design
  • • 2 rounds of revisions
  • • Installation support

Commercial

From $8,000

Large residential or commercial projects

  • • Complex multi-zone systems
  • • Building management integration
  • • Engineer certification
  • • Commissioning plan
  • • Ongoing technical support
  • • Custom specifications

Get Your System Design Quote

Send us your project details and we'll provide a detailed proposal within 24 hours