Version 2.6
| Term | Term Definition | Options | Unit of Measure |
|---|---|---|---|
| Return | View | None | |
| Return | View | None | |
| Return air flow rate | The flow rate of return air | View | None |
| Return chamber | Chamber to receive the return air | View | None |
| Return chamber | Chamber to receive the return air | View | None |
| Return Duct Percent Conditioned Space |
Percentage of return duct surface area, including the air handler, that is located within conditioned space (0-1). |
View | percent |
| Return on investment | A measure used to evaluate the efficiency of an investment or to compare the efficiency of a number of different investments. ROI is the ratio of the benefit (return) of an investment to the cost of the investment. | View | None |
| Return water temperature | The water temperature that the equipment receives from return duct. | View | None |
| Reused | Reused | View | None |
| Revenue grade meter | View | None | |
| Revenue quality | Sufficient accuracy to settle DR transactions. PBI eligible data must have at least +/- 2% accuracy confirmed by testing from a Nationally Recognized Testing Laboratory. | View | None |
| Reverse | View | None | |
| Reverse cycle | defrosting an evaporator by reversing its function with that of the condenser. | View | None |
| Reviewed | View | None | |
| Reviewed and approved | View | None | |
| Reviewed and approved | View | None | |
| Reviewed and not approved | View | None | |
| Reviewed and not approved | View | None | |
| Revised application required | Organization has required a revised application. | View | None |
| RFCE | RFC East / Eastern Power Grid | View | None |
| RFCM | RFC Michigan / Eastern Power Grid | View | None |
| RFCW | RFC West / Eastern Power Grid | View | None |
| RI | Rhode Island | View | None |
| RI | Rhode Island | View | None |
| Ridge | Commonly used street suffix or abbreviations: Rdg, Rdge | View | None |
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