Product Type | Minimum AFUE | Maximumelectricity ratio |
Natural gas and propane-fired furnaces | 90% | 2.0% |
Oil-fired furnaces>94,000 | ||
Btu/hour in capacity | 83% | 2.0% |
Oil-fired furnaces>94,000 | ||
Btu/hour in capacity | 83% | 2.3% |
Natural gas and oil, and propane-fired hot water residential boilers | 84% | Not applicable |
Natural gas, oil, and propane-fired steam residential boilers | 82% | Not applicable |
MOTOR Type | Required Components |
All | Interior lights: light sources with an efficacy of forty-five (45) lumens per watt or more, including ballast losses (if any). This efficacy standard does not apply to LED light sources until January 1, 2010. |
All | Automatic door closers that firmly close all reach-in doors. |
All | Automatic door closers that firmly close all walk-in doors no wider than 3.9 feet and no higher than 6.9 feet that have been closed to within one inch of full closure. |
All | Wall, ceiling, and door insulation at least R-28 for refrigerators and at least R-34 for freezers |
All | Floor insulation at least R-28 for freezers (no requirements for refrigerators) |
Condenser fan motors of under one horsepower | Electronically commutated motors, Permanently split capacitor-type motors Polyphase motors of one half (1/2) horsepower or more |
Single-phase evaporator fan motors of under one horsepower and less than four hundred sixty (460) volts | Electronically commutated motors |
R.I. Gen. Laws § 39-27-5