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Cloud Computing

Utilizing cloud services for computer processing and storage needs for appropriate applications.

TAG Technical Score:

Energy Savings: 50%

ID: 490

CO2 Heat Pump Water Heaters

An energy-efficient electric heat pump water heating system that uses heat extracted from the air to heat water for residential use. These heat pumps use supercritical carbon dioxide as a refrigerant.

TAG Technical Score:

Energy Savings: 66%

Regional Potential: 6.74 MWh/year

ID: 389

CO2 Scrubbers for Controlled Atmosphere Refrigerated Warehouses

Devices using activated carbon to remove carbon dioxide which results from the respiration of fruit stored in controlled atmosphere refrigerated warehouses.

TAG Technical Score:

Energy Savings: 87%

Regional Potential: 0.11 MWh/year

ID: 455

Cold Climate Ductless Heat Pump for Residential Application

A variable speed ductless air source heat pump (see ID #300) specifically designed to operate at capacity without supplemental heat down to very low temperatures -- as low as -25F.

TAG Technical Score:

Energy Savings: 50%

Regional Potential: 1.60 MWh/year

ID: 199

Combination Gears for High Gear Ratio Applications

Two-stage gearboxes that are a more efficient alternative speed reducer to worm gears in applications with high gear ratios

TAG Technical Score:

Energy Savings: 17%

ID: 435

Commercial CO2 Washing Machines

Washing machines that use liquid CO2 at 700 PSI, which has lower viscosity and surface tension, using no water and half the energy with a payback of 2-4 years.

TAG Technical Score:

Energy Savings: 64%

Regional Potential: 0.09 MWh/year

ID: 512

Commercial Heat Pump Water Heaters

Remove heat from the immediate or outside atmosphere and transfer it to the water tank.

TAG Technical Score:

Energy Savings: 50%

ID: 40

Commercial/ Industrial CO2 Heat Pumps

Air- or water-source heat pumps that use CO2 as a refrigerant and can produce hot air or hot water while simultaneously generating chilled water or air.

TAG Technical Score:

Energy Savings: 70%

Regional Potential: 2.66 MWh/year

ID: 293

Compressed Air Recovery System for PET Blow Molding Facilities

A system that recovers spent air from the polymer bottle-blowing process and uses it for the initial blow on preforms or feeds it into the plant compressed air distribution system.

TAG Technical Score:

Energy Savings: 100%

ID: 444

Conversion of Industrial Equipment from Compressed Air to Direct Drive

Compressed air is often used in industry to drive processes that could be achieved using far less electricity. Electricity savings of up to 80% may be realized for switching from use of compressed air to direct-drive (via electric motor) for specific applications.

TAG Technical Score:

Energy Savings: 85%

ID: 160

Copper Rotor Motors

Motors up to 20 horsepower with lower resistance losses in their copper rotor conductor bars, resulting in higher efficiency.

TAG Technical Score:

Energy Savings: 1%

Regional Potential: 0.06 MWh/year

ID: 432

Dashboard Systems and Continuous Monitoring-Based Commissioning

Monitoring-based commissioning (MBCx) utilizes monitoring of remote metering to continuously commission building systems to identify previously unrecognized system inefficiencies.

TAG Technical Score:

Energy Savings: 10%

ID: 272

Dedicated Outside Air System (DOAS) for VAV HVAC systems

An outside air ventilation system that is separate from the central air handling and distribution system.

TAG Technical Score:

Energy Savings: 10%

ID: 248

Demand-Controlled Ventilation

Ventilation in commercial buildings controlled by occupancy sensors – usually CO2 monitors – to provide just the required amount of outside air and to avoid over- or under-ventilating a space.

TAG Technical Score:

Energy Savings: 10%

Regional Potential: 1.95 MWh/year

ID: 166

Demand-Controlled Ventilation for Commercial Kitchens

A system for commercial kitchen exhaust fans that uses smoke and heat sensors to control the exhaust hood airflow and make-up air volume based on cooking activities.

TAG Technical Score:

Energy Savings: 57%

Regional Potential: 0.68 MWh/year

ID: 155

Desiccant Dehumidifiers for Grocery & Cold Storage

A solid desiccant dehumidifier integrated with the HVAC system that can maintain the humidity level inside a building in the range of 30% to 40%.

TAG Technical Score:

Energy Savings: 25%

Regional Potential: 0.26 MWh/year

ID: 313

Desiccant-Enhanced Hybrid Evaporative Air Pre-Cooler

Combining the basic indirect evaporative cooler with a desiccant pre-stage allows for evaporative coolers to operate efficiently under higher-humidity conditions than would be normally possible.

TAG Technical Score:

Energy Savings: 25%

Regional Potential: 0.20 MWh/year

ID: 49

Dew Point Demand Controls for Twin-Tower Compressed Air Desiccant Dryers

A compressed air drying system that uses dew point demand controls to shut off the dried purge air flow when the media in the off-line tower has been regenerated and delays tower switchover until the media in the in-service tower has been exhausted.

TAG Technical Score:

Energy Savings: 40%

Regional Potential: 0.11 MWh/year

ID: 437

Diamond Coated Centrifugal Pump Mechanical Seals

Ultra-hard, low-friction surface coating made of synthetic diamond material used to seal pumps used in particularly harsh environments, improving friction losses by roughly 75%.

TAG Technical Score:

Energy Savings: 1%

ID: 22

Digital Ultrasonic Compressed Air Leak Detectors

Tools to identify the acoustic signature of a compressed gas moving from the high pressure to the low pressure side of a leak. Advanced detectors can also quantify the magnitude of the leak.

TAG Technical Score:

Energy Savings: 75%

Regional Potential: 0.98 MWh/year

ID: 448

Displacement Ventilation

An air distribution system which supplies low velocity air, typically at floor level. Supplied air rises slowly and is extracted from the ceiling, as opposed to intentionally mixing the air.

TAG Technical Score:

Energy Savings: 25%

Regional Potential: 0.24 MWh/year

ID: 18

Distribute DC Power from PV to Electronics

DC power distribution systems make more efficient use of PV power when powering electronics that run on DC by eliminating transformer Losses.

TAG Technical Score:

Energy Savings: 8%

ID: 553

Drain-Water Heat Recovery

Copper-coiled heat exchanger to recover heat from waste hot water. For showers or other domestic hot water.

TAG Technical Score:

Energy Savings: 30%

Regional Potential: 2.46 MWh/year

ID: 157

Ducted Variable-Speed Split System Heat Pump

A ducted heat pump leveraging the successful inverter-driven technology found in ductless heat pumps.

TAG Technical Score:

Energy Savings: 39%

Regional Potential: 2.60 MWh/year

ID: 332

Ductless Mini-Split Heat Pump for Manufactured Homes

Ductless Mini-Split Heat Pumps with Variable Speed Compressors, but this application is designed specifically for use in multifamily residential applications.

TAG Technical Score:

Energy Savings: 33%

Regional Potential: 1.11 MWh/year

ID: 301

Ductless Mini-Split Heat Pump for Multi-Family Housing

Mini-Split Heat Pumps with Variable Speed Compressors, but this application is designed specifically for use in multi-family homes.

TAG Technical Score:

Energy Savings: 41%

Regional Potential: 0.58 MWh/year

ID: 302

Ductless Mini-Split Heat Pump for Small Commercial Applications

Ductless mini-split heat pump employing variable refrigerant flow technology without simultaneous heating and cooling, and up to eight zones to be used for small commercial applications. Features of this technology include: 1. A single outdoor unit that provides non-simul...

TAG Technical Score:

Energy Savings: 38%

Regional Potential: 0.24 MWh/year

ID: 276

Ductless Mini-Split Heat Pumps for Residential Applications

Ductless split systems with non-inverter driven compressors have been available in the U.S. for decades. Within the last few years, the market has begun to shift to using inverter-driven compressors. Non-inverter driven compressors are still used however, typically due t...

TAG Technical Score:

Energy Savings: 32%

Regional Potential: 3.04 MWh/year

ID: 300

ECPM Motors for Evaporator Fans in Refrigerated Cases, Walk-In Freezers and Coolers

Replacement of low-efficiency shaded pole and permanent split capacitor (PSC) evaporator fan drive motors in supermarket refrigerated cases, walk-in freezers and refrigerators, beverage merchandisers, and refrigerated vending machines with highly efficiency electronically...

TAG Technical Score:

Energy Savings: 67%

ID: 205

ECPM Motors for Single-phase HVAC Fan Applications

High efficiency electronically commutated permanent magnet (ECPM) motors with inherent variable speed capability that are ideal retrofits for package terminal air conditioners, room air conditioners, unitary condenser fans and blowers, and exhaust fan applications.

TAG Technical Score:

Energy Savings: 33%

Regional Potential: 2.44 MWh/year

ID: 101

Efficient Laboratory Hoods

A package of lab hood efficiency measures including heat recovery and automatic sash positioning.

TAG Technical Score:

Energy Savings: 30%

Regional Potential: 0.42 MWh/year

ID: 185

Electric Arc Furnace Charge Preheating

A waste heat recovery process for continuous feeding and preheating of scrap charge to an electric arc furnace after preheating it with furnace exhaust gases.

TAG Technical Score:

Energy Savings: 23%

ID: 453

Electrochromic Retrofit Window Coatings

Window coatings retrofitted to existing windows that can reduce solar heat gain and glare when the voltage to these thin films is adjusted (these have only recently become commercially available).

TAG Technical Score:

Energy Savings: 19%

Regional Potential: 0.08 MWh/year

ID: 419

Electrochromic Windows

Windows that can modulate heat gain, light transmittance, and glare from the sun and can be controlled locally or by an energy management system.

TAG Technical Score:

Energy Savings: 19%

Regional Potential: 0.02 MWh/year

ID: 262

Electrodialysis for the Wine Industry

A process to stabilize wine prior to bottling and cut energy use by about 80% compared with traditional cold stabilization, which involves keeping wine in bulk cold storage for long periods of time.

TAG Technical Score:

Energy Savings: 75%

ID: 65

Electron Beam Curing

Use of an electron beam to cure inks, laquer, paint, adhesives, resins, composites, and for crosslinking of polymers.

TAG Technical Score:

Energy Savings: 88%

ID: 466

Encourage Replacement of In-Service Standard Efficiency Motors with Premium Efficiency Models

Encourage replacement of in-service industrial motors with NEMA Premium®- or Enhanced-efficiency motors that are 2% to 9% more efficient than standard motors.

TAG Technical Score:

Energy Savings: 4%

Regional Potential: 0.71 MWh/year

ID: 230

Energy Efficient Commercial and Industrial Transformers

Improved efficiency distribution transformers are available for use in the industrial and commercial sectors. Existing efficiency standards cover three-phase low and medium voltage liquid and dry-type transformers.

TAG Technical Score:

Energy Savings: 35%

ID: 612

Energy Efficient Escalators

Sensors that begin escalator operation when occupancy is detected and operates for a preset time after the occupant reaches their destination.

TAG Technical Score:

Energy Savings: 35%

Regional Potential: 0.00 MWh/year

ID: 546

Energy Efficient Office Phones

Office phones that use about half the energy as those in common use.

TAG Technical Score:

Energy Savings: 38%

Regional Potential: 0.10 MWh/year

ID: 428

Energy Efficient Stationary Engine Block Heater

Block heater with circulating pump to reduce energy use.

TAG Technical Score:

Energy Savings: 36%

Regional Potential: 0.07 MWh/year

ID: 381

Energy Efficient Vending Machines

Vending machines that use less energy, especially when occupancy has not been detected for a while.

TAG Technical Score:

Energy Savings: 46%

Regional Potential: 0.14 MWh/year

ID: 547

Energy Recovery Ventilator with Heat and Membrane Humidity Exchangers for Commercial Application

An air-to-air heat exchanger that transfers both sensible and latent heat between the exhaust air stream and the fresh air stream using one of a number of membrane-based technologies.

TAG Technical Score:

Energy Savings: 65%

Regional Potential: 4.88 MWh/year

ID: 461

Energy Use Benchmarking Tool Using Utility Meter Data

Reports for building managers that summarize their building energy use (based on utility meter) and compares it to other buildings of a similar type.

TAG Technical Score:

Energy Savings: 5%

ID: 365

EnergyCAP Energy Management Software

This is a powerful energy management software tool for large or complex organizations that want to measure, manage, and save on utility bills.There are other options for smaller facilities too.

TAG Technical Score:

Energy Savings: 5%

ID: 335

Energy-Efficient Repulper Rotor

A tank with an efficient rotor in the bottom used to repulp bales of pulp and mix the pulp fibers with water prior to making paper.

TAG Technical Score:

Energy Savings: 23%

ID: 454

Engineered Window Louvers for Daylighting

Integrated micro-louvers / blinds with curves engineered to redirect daylight coming through higher windows up toward the ceiling and further into a building without glare. Louvers are sandwiched within the window and either fixed or sun-tracking while lower windows have...

TAG Technical Score:

Energy Savings: 16%

Regional Potential: 0.01 MWh/year

ID: 514

Enterprise Energy Management

A combination of software, data acquisition hardware and communication systems used to collect, analyze and display building information. This information is used to help commercial building energy managers, facility managers, financial managers and electric utilities re...

TAG Technical Score:

Energy Savings: 10%

ID: 174

Evaporator Fan Controllers

An evaporator fan controller monitors refrigerant flow or compressor drive motor amps and reduces the speed of evaporator fans when the compressor is off. Especially useful for walk-in coolers and freezers.

TAG Technical Score:

Energy Savings: 30%

Regional Potential: 0.02 MWh/year

ID: 147

FANWALL Technology

An air handler made up of an array of smaller fans that replaces a single large fan.

TAG Technical Score:

Energy Savings: 5%

Regional Potential: 0.01 MWh/year

ID: 177

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