Energy modeling & certification consultants

Energy models that pass compliance — anywhere in the world.

DOE Modellers delivers whole-building energy simulation and green-building certification support across the US, Australia, UK and beyond — from LEED, WELL and EDGE to ASHRAE 90.1, NYC Energy Code, Title 24, Florida and NCC 2019/2022.

500+
Models delivered
15+
Countries served
12+
Codes & standards
100%
Submission focus

Modeled & documented in industry-standard tools

eQUEST IESVE EnergyPlus OpenStudio ApacheHVAC CBECC COMcheck FirstRate 5 One Click LCA

What we do

Full-spectrum building performance services

From the first energy model to the final compliance submission, we cover the analysis that gets your project certified and approved.

Whole-Building Energy Modeling

Dynamic simulation of envelope, HVAC, lighting and loads to predict and optimize annual performance.

LEED Energy & Atmosphere

LEED v4/v4.1 energy modeling for EAp2 / EAc2 — maximizing points cost-effectively.

ASHRAE 90.1 Compliance

Appendix G Performance Rating Method with full documentation for plan review.

Daylight & Glare Analysis

Daylight factor, sDA & ASE studies and sun-path analysis for daylighting credits.

Thermal Comfort & Overheating

PMV/PPD comfort modeling and CIBSE TM52 / TM59 overheating assessments.

HVAC Loads & Sizing

Manual J / ASHRAE load calculations and HAP system modeling for right-sized equipment.

Codes & jurisdictions

Compliance across global markets

We know the codes, the templates and the reviewers — wherever your project is.

NYC Energy Code & LL97 California Title 24 Florida Energy Code ASHRAE 90.1 / IECC 179D Tax Deduction NCC 2019 & 2022 (AU) NatHERS / FirstRate 5 UK Part L (SBEM / BRUKL) LEED · WELL · EDGE · BREEAM

Selected work

Real models. Real analysis.

A snapshot of energy models, daylight studies and compliance deliverables across building types.

High-rise residential sun-path study, Hong Kong
Sun-path study

High-Rise Residential — Hong Kong

Daylight factor analysis grid
Daylight analysis

Daylight Factor Mapping

Energy model of a commercial tower in NYC
NYC Energy Code

Commercial Tower — New York City

Australian NatHERS compliance report
NCC · NatHERS

NatHERS Rating — Australia

California Title 24 compliance report
Title 24

Title 24 Compliance — California

eQUEST energy savings analysis
eQUEST

Energy Savings Analysis

Have a project that needs modeling?

Tell us your building and target code or certification — we'll come back with scope, timeline and a quote.

Get in touch