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Mechanical engineering at the core. HVAC&R as our focus.

We work from fundamental and specialist engineering principles — fluid flow, heat transfer, thermodynamics and acoustics — to make indoor spaces comfortable, healthy and energy-efficient.

LOAD & ENERGY ANALYSIS

What a building needs — and what it will use.

HVAC systems often account for a large share of a building's energy use. Getting loads and comfort right is where efficiency starts.

Peak cooling & heating loads

The capacity a system must deliver on the hardest day.

Overheating hours

How often spaces get too warm over a year.

PPD index

Predicted percentage of occupants dissatisfied with the thermal climate.

Annual energy use

Yearly heating and cooling energy for the building.

ACOUSTICS

From product sound data to what people hear.

Technical studies, software and consulting for acoustic calculations — including our system sound calculator.

Sound powerSound pressure in the roomDuct attenuationSilencersConsulting

ASHRAE standards and LEED, built into the core.

Our engines are built on the ASHRAE standards that the LEED rating system references — so results flow straight into project documentation.

ASHRAE 62.1

Ventilation and indoor air quality — multiple-zone, single-zone and 100% outdoor air.

ASHRAE 55

Thermal comfort — the basis for PMV / PPD analyses.

ASHRAE 90.1

Energy performance for load and annual energy calculations.

LEED

Results ready for indoor environmental quality and energy credits.

ASHRAE and LEED are trademarks of their respective owners. G2W is not affiliated with or endorsed by ASHRAE or USGBC.

Across the whole system lifecycle

Design & planning

Load calculations, sizing, CAD-ready layouts.

Installation

Specifications that keep the build true to design.

Maintenance

Spot inefficiencies, plan upgrades.

Compliance

Checked against codes such as ASHRAE.

CASE · HOSPITALOperating rooms need temperature and humidity held precisely to stay sterile — the precision our engines are built for.

See it on your own products.

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