Commercial & Engineering

Compliance done right.
On time, every time.

DMS provides complete commercial electrical and mechanical HVAC services — including PS1, PS3, A12 documentation and annual HVAC maintenance for BWoF support across Auckland.

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Producer statements
PS1 & PS3 certified
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Annual maintenance
BWoF & A12 reports
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Electrical
Registered NZ
Engineering & compliance
PS1 · PS3 · A12 · BWoF
Our in-house engineering team handles the full compliance chain — from design through to signed documentation and annual maintenance reporting.
⭐ Core service

PS1 & PS3 Producer Statements

Our engineers are qualified to sign both PS1 (design) and PS3 (construction) producer statements for mechanical HVAC systems.

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📄 Documentation

A12 HVAC Service Documentation

DMS performs the physical HVAC maintenance and delivers the detailed service records needed to support the A12 documentation process.

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🏢 Annual

BWoF HVAC Maintenance & Reporting

We carry out annual HVAC maintenance and provide written service reports formatted for your IQP's BWoF process. Ongoing contracts available.

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📐 Design

Mechanical HVAC Design

End-to-end mechanical HVAC design for commercial fit-outs, new builds and refurbishments. Heat load calculations, equipment selection, layout drawings.

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Response within 4 business hours · All Auckland commercial projects

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