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Database

This database currently includes about 300 technologies and is updated regularly. You can scroll through the entire database or you can use the search tool on the right to focus on specific types of technologies or sectors. The search tool defaults to looking for the exact phrase entered in the search box, however a broader search is possible by unchecking the 'Use exact phrase' option.
Refer to our glossary for terms and field definitions used in this database.

 

Current query: "Sector: Commercial")
Showing 50 items per page
Page: 1 2 3 4
181 results
Replace UPS with On-Board Battery Backup on IT Equipment
Using on-board battery backup for each server rather than using centralized uninterruptable power supplies.
TAG Technical Score:
 
Energy Savings: 2%
 
ID: 491
 
Reverse Cycle Chiller Application in Multifamily Dwelling
A chiller that operates the refrigeration cycle in reverse in order to provide domestic hot water; also known as a heat pump water heater.
TAG Technical Score:
 
Energy Savings: 40%
Regional Potential: 0.02 MWh/year
ID: 233
 
Right-Size Data Center Power Equipment
Avoiding over-sizing power equipment to reduce power conversion losses.
TAG Technical Score:
 
Energy Savings: 3%
 
ID: 496
 
Running Data Centers at Higher Voltages for Energy Savings
Running IT equipment in data centers on 400/230 volts AC, as is common practice outside of North America, will reduce resistance and conversion losses.
TAG Technical Score:
 
Energy Savings: 5%
 
ID: 5
 
Secondary Glazing Systems
An insulated glazing unit (IGU) installed inside existing commercial building glazing that can triple its insulation value and reduce infiltration and outside noise at roughly half the cost of window replacement.
TAG Technical Score:
 
Energy Savings: 20%
Regional Potential: 0.81 MWh/year
ID: 609
 
Self-Powered Lighting Controls
Wireless occupancy sensors and other switches that harvest energy from the environment so that batteries or expensive wiring, making it easier to add more switches and increase local lighting control.
TAG Technical Score:
 
Energy Savings: 99%
Regional Potential: 0.00 MWh/year
ID: 599
 
Smart Defrost Kitā„¢ Retrofit Defrost Cycle Controller
A proprietary electronic device intended for use in existing commercial reach-in and walk-in cooler and freezer refrigeration control systems to optimize defrost cycle initiation. Smart defrost controllers can save hundreds of dollars each year, depending on the size of ...
TAG Technical Score:
 
Energy Savings: 30%
 
ID: 77
 
Smart Grid
A suite of sensors, controls and communications equipment which, when combined with sophisticated software tools, can monitor and respond to grid conditions and control energy loads.
TAG Technical Score:
 
Energy Savings: 0%
 
ID: 128
 
Smart Thermostat for Residential HVAC Control
A smart thermostat provides advanced energy management features. Capabilities include occupancy sensing, remote monitoring, data analysis, automation, system optimization, and reporting to optimize control of home space conditioning enabled by advanced technology for sen...
TAG Technical Score:
 
Energy Savings: 12%
Regional Potential: 0.48 MWh/year
ID: 240
 
Solid State Plasma Lighting
High-lumen output in a small electrodeless bulb. Gas similar to a metal halide is excited to a plasma state by a driver with RF induction.
TAG Technical Score:
 
Energy Savings: 40%
 
ID: 80
 
Strategic Energy Management
An integrated energy management strategy for organizations that involves management commitment, assessments, planning and improvement goal-setting, improvement implementation, tracking, evaluation, and feedback to modify plans, resulting in a continuous improvement of ene...
TAG Technical Score:
 
Energy Savings: 5%
Regional Potential: 0.72 MWh/year
ID: 409
 
Super Premium Efficiency (IE4) Induction Motors
Super-Premium Efficiency motors suitable for commercial and industrial applications.
TAG Technical Score:
 
 
 
ID: 638
 
Synchronous Belt Drives
Belt drives that have teeth that match teeth in the drive sprocket to prevent slippage and maintain high efficiency throughout their service life.
TAG Technical Score:
 
Energy Savings: 3%
Regional Potential: 0.79 MWh/year
ID: 436
 
Thermal Night Covers for Refrigerated Supermarket Display Cases
The installation of night covers on supermarket vertical or semi-vertical display cases can reduce energy use due to reduced refrigeration, air conditioning, and heating loads. The concept is straightforward---insulated night curtains or retractable thermal shields are s...
TAG Technical Score:
 
Energy Savings: 9%
Regional Potential: 0.04 MWh/year
ID: 615
 
Thermochromic Windows
Windows with coatings that automatically tint glazing during hot, sunny weather to reduce cooling load.
TAG Technical Score:
 
Energy Savings: 21%
Regional Potential: 0.02 MWh/year
ID: 263
 
Thermoelectric Refrigeration for Cabinet Cooling
An air conditioner used to cool electronic equipment that works by sending current through two dissimilar conductors and offers superior efficiency over conventional refrigeration systems.
TAG Technical Score:
 
Energy Savings: 50%
 
ID: 445
 
Transformerless UPS Equipment
Choosing transformerless UPS units as direct replacement to reduce transformer losses and save energy
TAG Technical Score:
 
Energy Savings: 18%
 
ID: 494
 
Ultracapacitors
An electro-chemical energy storage device, but unlike a battery, which stores energy chemically, ultracapacitors store energy through electro-static charge, without making use of any chemical reactions. This means that an ultracapacitor has some characteristics of a tradi...
TAG Technical Score:
 
Energy Savings: 0%
 
ID: 21
 
Ultrasonic Humidification for Commercial Buildings
Ultrasonic humidifiers add moisture to the air without heating the water by injecting ultrasonic pulses into the water, vibrating water molecules at high speeds. This overcomes molecular forces and allows microscopic water molecules to escape.
TAG Technical Score:
 
Energy Savings: 90%
Regional Potential: 0.00 MWh/year
ID: 121
 
Ultraviolet Disinfection of Water and Wastewater
An alternative technique to chemical or ozone water treatment that can reduce environmental and human health impacts of the treatment process.
TAG Technical Score:
 
Energy Savings: 0%
 
ID: 13
 
Use Supplemental Cooling for Occasional Loads in a Data Center
Employing supplemental cooling to high demand racks to avoid over-sizing primary equipment for transient peak loads and/or hot spots.
TAG Technical Score:
 
 
 
ID: 502
 
Using Lighting Occupancy Sensors in Offices to Control HVAC
Occupancy sensors compatible with lighting and HVAC systems and capable of managing the HVAC operations within a space depending on occupancy.
TAG Technical Score:
 
Energy Savings: 36%
Regional Potential: 1.76 MWh/year
ID: 53
 
Vacuum Insulation Panels
A sealed enclosure surrounding a rigid core from which the air has been evacuated, used in building envelopes.
TAG Technical Score:
 
 
 
ID: 531
 
Variable Refrigerant Flow (VRF) Heat Pumps
An advanced variable-speed heat pump system can save energy when compared with conventional air-to-air heat pumps due to better part-load efficiencies, heat recovery, and reducing or eliminating duct losses.
TAG Technical Score:
 
Energy Savings: 20%
Regional Potential: 1.47 MWh/year
ID: 200
 
Variable Speed Pump for Commercial Swimming Pools
Variable speed pumps on the filtration system of commercial swimming pools.
TAG Technical Score:
 
Energy Savings: 34%
Regional Potential: 0.01 MWh/year
ID: 464
 
Wastewater Heat Exchange System
Equipment that uses wastewater as a heat-exchange medium for pre-heating domestic hot water or for space heating and cooling.
TAG Technical Score:
 
Energy Savings: 18%
 
ID: 416
 
Water Source/Ground Source Heat Pump Heating and Cooling System
Heat pumps that extract heat from a water source (well, river, pond) and distribute it to residential and commercial spaces, such as assisted living units, hotels, dorms, schools, jails or district heating systems.
TAG Technical Score:
 
Energy Savings: 25%
Regional Potential: 0.05 MWh/year
ID: 29
 
Web-Enabled Power Monitoring for Small and Medium-Sized Businesses
Equipment that enables small and medium-sized businesses to monitor energy use from the web.
TAG Technical Score:
 
Energy Savings: 3%
 
ID: 355
 
Whole-Building Energy Monitoring
Whole-building energy monitoring tracks whole building energy consumption and compares usage against a comparative Energy StarĀ® buildings, previous utility bills, peer buildings, or energy reduction targets.
TAG Technical Score:
 
Energy Savings: 10%
 
ID: 370
 
Wireless Pneumatic Thermostat
Retrofit pneumatic thermostats with wireless pneumatic thermostats to allow DDC-type control with programmable setbacks, diagnostics, and communications capability
TAG Technical Score:
 
Energy Savings: 25%
 
ID: 264
 
Wireless Sensors for Motor Monitoring
Sensors provide data to the building energy management and automation systems to optimize operation and reduce downtime by proactively identifying equipment problems.
TAG Technical Score:
 
Energy Savings: 0%
 
ID: 48
 
Page: 1 2 3 4
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ESR descriptions  
LevelStatusDescription
1Concept not validatedClaims of energy savings may not be credible due to lack of documentation or validation by unbiased experts.
2Concept validated:An unbiased expert has validated efficiency concepts through technical review and calculations based on engineering principles.
3Limited assessmentAn unbiased expert has measured technology characteristics and factors of energy use through one or more tests in typical applications with a clear baseline.
4Extensive assessmentAdditional testing in relevant applications and environments has increased knowledge of performance across a broad range of products, applications, and system conditions.
5Comprehensive analysisResults of lab and field tests have been used to develop methods for reliable prediction of performance across the range of intended applications.
6Approved measureProtocols for technology application are established and approved.





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