Building Energy Software Tools
Formerly hosted by US Dept. of Energy    

OptiMiser Residential Building Performance Software

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For energy efficiency professionals, success means winning over customers with consistently accurate information
delivered in a compelling format. OptiMiser helps your business succeed by producing comprehensive audit reports and proposals in less time while never sacrificing accuracy. OptiMiser is the only audit tool with automated utility bill calibration – giving you the power of 100% accurate energy models in minutes. With analytic tools like the Pre-Audit Diagnostic report that targets potential improvement areas before you set foot inside the home, homeowner safety tools such as our combustion appliance testing wizard and an array of stunning, customizable reports, OptiMiser helps you satisfy customers from start to finish.

OptiMiser offers exceptional ease of use, including radical simplification of the audit process and a high level of customizability. It starts with age- and region-specific defaults and a comprehensive, automated utility bill analysis. Then OptiMiser guides you with Continuous Savings Estimation so you can see the results of improvements in real time graphical analysis for ongoing discovery and increasingly efficient audits.

When the audit is complete, instantly connect to your central database to transfer all project data with the click of a mouse. OptiMiser is integrated with major CRM and database systems such as Salesforce. Team members or partners can systematically pre-fill OptiMiser project files, queue them for delivery to auditors or contractors in the field, and retrieve project files and custom data streams. OptiMiser is automatically updated with new features and current weather.

Add your logo to our factory reports or build your own from scratch – OptiMiser makes just about any level of customization possible. OptiMiser is built on a proprietary Rapid Application Development platform, making it more efficient to customize and enhance. Slim down the interface, add multiple cost templates, or incorporate forms and coupons. OptiMiser can even load your existing spreadsheet-based calculators and worksheets, providing a fluid workflow under even the most complex programs.

An Introduction to OptiMiser Residential Energy Audit Software

Expertise Required: 

Home performance professional (BPI-BA or similar).


Home performance auditors and contractors, programs, agencies, and utilities.


Minimal building characteristics. Utility data optional (can provide auto-calibration). Layers of default building, measure, cost, and weather data provided. Measure input complexity varies depending on how detailed the resulting bid/workscope should be.


Complete base and improved building models, multiple improvement packages with detailed payback and feasibility info, HPXML, Excel, PDF reports.


Speed, accuracy, bill calibration, offline functionality, integration with business systems, support.

Major Capabilities: 
Whole Building Energy Simulation
Solar and Photovoltaic Analysis
Building Type: 
Free To Try
Help and Support: 
Free Email Support
Peer Support Forum
Free Chat/IM Support
Free Phone Support
Last Software Update: 
07 March 2017
Last Entry Update: 
17 September 2018
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