Wednesday 12 December 2018

Qualities of Good HVAC Drafting Services

HVAC system is the part of mechanical engineering services. It is responsible for keeping residential and commercial building temperature controlled. HVAC drafting services and  HVAC Shop Drawings help to find the perfect design to regulate air flow for a better result. You won’t find a building today without mechanical engineering services. That is why it is important to know about all the mechanical engineering services and understand the features of good HVAC drafting services. It will also help to save energy and more.

HVAC Drafting Services specify the location and installation details of all Heating, Cooling and Ventilation equipment. HVAC Duct Shop Drawings provide the design for sheet metal ducts used in air distribution systems.

Features of good HVAC drafting services and HVAC Duct Shop Drawings are:

  • HVAC drafting services and HVAC Piping Shop Drawings must be highly detailed to ensure a correct installation. HVAC ducts have lots of turns and connections and they must be supported at multiple points.
  • HVAC Drafting Services must involve hydronic or Steam Piping.
  • In HVAC duct shop drawings,  Air Ducts and Pipes must be properly sized, to deliver the required space heating or air conditioning output for each building area.

Sheet metal and Hydronic Piping Design are dependants on heating and cooling loads. Therefore, precise HVAC Load Calculation is very important in HVAC drafting services.

The most crucial part of the installation is Hydronic Piping and Ductwork. It travels long routes with direction changes and accessories. HVAC Duct Shop Drawings must clearly indicate the layout and mounting details of these systems.

HVAC drafting services are completely related to building envelope performance. If the building is well insulated and airtight, both heating and cooling loads are reduced.

Different types of HVAC drafting services:

  • Schematics, Control Diagrams and detailing of cooling systems such as air conditioners, air handlers, refrigeration etc.
  • Ventilation systems such as ductless split systems, overhead units, window and rooftop units, air cleaners and filters, central air systems etc

  • Equipment Layouts and schedules for Chillers / DX Units, Air Handling Equipments, Ducting Accessories (grills, diffusers, dampers, etc), Pump etc.
  • HVAC Shop Drawings for heating, cooling and ventilation
  • As Built Drawings for heating, cooling and ventilation
  • Coordination Drawings for heating, cooling and ventilation
  • Piping System Layout

It is always beneficial to employ the assistance of experienced mechanical engineering services and HVAC Drafting Services providers like Silicon Engineering Consultants Limited. 

Our structural and architectural design team is capable of interpreting complex design issues and deliver the right results.


We have knowledge, expertise and experience across diverse domains such as Architecture, Civil, Structural, Electrical Engineering, Assembly Drawings and mechanical/plumbing design.

To learn more about Silicon Engineering Consultants Limited and how our Mechanical engineering services can help you, call us on:  021 0296 7467

drop an email on: info@siliconec.co.nz

visit our website:  www.siliconec.co.nz

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