Energy Audits & Retro-Commissioning  

Energy Audits & Retro-Commissioning

NORESCO improves building performance and cost efficiency through expert energy audits and retro-commissioning. We identify savings, resolve system issues, and ensure sustainable operations for long-term success.

ASHRAE Industry Standards

NORESCO follows American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE) recommended practices. Our three levels of analyses are:

ASHRAE Level I Energy Audit: On-site, walk-through energy audit
ASHRAE Level II Energy Audit: Retro-commissioning
ASHRAE Level II Energy Audit: Investment grade audit with energy modeling

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Connect with NORESCO's experts to explore how our solutions can meet your energy goals. Let's work together to create a brighter, more resilient future.

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Modern building

Converting data into opportunity

Gathering building data is easy—making sense of it is not. NORESCO transforms data into actionable strategies by benchmarking energy performance, identifying savings opportunities, calculating returns on investment, and implementing prioritized improvements.

Do I Need an Energy Audit?

Just like a regular tune-up helps keep a car in good operating condition, building tune-ups keep facilities running efficiently. We assess each building as a whole to understand how components interact, identify wasted energy, and uncover performance problems. After testing, we recommend and implement corrective actions that improve energy performance and resolve occupant comfort issues, allowing facility staff to focus on maintenance and improvements rather than complaints.

Benchmarking and Walk-Through Energy Audit

Benchmarking is a key first step to improving a facility's energy performance. An ENERGY STAR® analysis allows us to compare a building's energy performance to similar buildings nationwide. With this snapshot, NORESCO conducts a walk-through audit to recommend easy, no-cost, and low-cost solutions.

 

Worker with hard hat analyzing equipment

Retro-Commissioning

Retro-commissioning relies on testing and short-term diagnostic monitoring to uncover and evaluate saving opportunities through system tune-ups and low-cost solutions. NORESCO examines minor and major energy systems to identify operational inefficiencies. Studies show retro-commissioning can save 10-20% of a building's annual energy costs.

Investment Grade Audits with Energy Modeling

We assess capital opportunities by combining detailed energy audits with energy modeling using advanced computer simulations. By developing a calibrated model of a building’s performance, we can simulate alternatives to find the most cost-effective investments in HVAC, controls, lighting, and other systems.