Rheem 12.5 Ton R-454B Gas/Electric Package Unit, 150,000 BTU/h Heat — RGEDYB150ADG152AAAA0
The Rheem RGEDYB150ADG152AAAA0 is a 12.5-ton Commercial Renaissance Classic Series packaged gas/electric unit that combines R-454B air conditioning with two-stage natural gas heat in one medium-commercial rooftop cabinet. Wired for 460V 3-phase power, it delivers 142,000 BTU/h AHRI net cooling at 11.0 EER / 14.6 IEER and pairs it with a 150,000 BTU/h nominal, two-stage gas furnace (121,500 BTU/h output at 81% steady-state efficiency). Built around two tandem scroll compressors, all-microchannel coils, factory refrigerant leak detection, and a belt-drive blower with a standard variable frequency drive (VFD), this convertible downflow/horizontal unit is a complete heating-and-cooling package for larger commercial buildings that want standard gas heat from a single 460V 3-phase rooftop.
Is a 12.5-Ton / 150,000 BTU Gas Package Unit the Right Size?
This unit matches 142,000 BTU/h of net cooling with a 150,000 BTU/h gas furnace, so it must be sized for two loads at once. On cooling, 12.5 tons typically suits roughly 5,000 to 7,500 sq ft of commercial space; on heating, the 121,500 BTU/h output (standard heat) should be matched to the building's design heating load and climate.
Cooling load depends on occupancy, ventilation, glazing, insulation, and local design temperatures, while heating load depends on climate, envelope, and ventilation air. The furnace is two-stage with 6 burners; first stage runs near 70% of full fire (about 85,050 BTU/h output) for quieter, more even heat, and the standard VFD supply fan improves part-load efficiency. Size both sides from an engineered commercial load calculation rather than floor area alone.
Ideal for: The largest single-zone commercial spaces — big-box retail, auditoriums, and event centers on 460V 3-phase power, needing dependable two-stage gas heat.
Cooling only? If you don't need gas heat, the 12.5-ton RACD 460V 3-phase straight-air package unit is the cooling-only equivalent. Compare 12.5-ton 150,000 BTU heat, 208/230V 3-phase.
Recommended applications are general guidelines only. Actual cooling and heating requirements depend on insulation, ventilation, occupancy, solar gain, climate, and design temperatures. Request free sizing assistance, contact Budget Heating, or call 813-885-7999.
What's Included
| Model Number | RGEDYB150ADG152AAAA0 |
|---|---|
| Product Type | Commercial Renaissance Classic Series Packaged Gas/Electric Unit |
| Nominal Cooling | 12.5 Tons — 142,000 BTU/h AHRI net cooling |
| Cooling Efficiency | 11.0 EER / 14.6 IEER |
| Gas Heating | 150,000 BTU/h nominal input — 121,500 BTU/h output (81% steady-state, two-stage, 6 burners) |
| Heat Exchanger | Two-stage, direct spark ignition (10-year warranty; stainless-steel option available) |
| Refrigerant | R-454B (A2L, factory charged — approx. 168 oz) |
| Compressor | Two Tandem Scroll Compressors, Two Stages |
| Nominal Airflow | 5,000 CFM — belt-drive blower with standard VFD, convertible downflow or horizontal |
| Electrical | 460V, 3-Phase, 60 Hz |
| Minimum Circuit Ampacity | 31 A |
| Max Overcurrent Protection | 35 A |
| Manufacturer Warranty | 5-Year Compressor / 10-Year Heat Exchanger / 1-Year Parts (Commercial) |
The RGEDYB150ADG152AAAA0 ships as one factory-assembled, wired, and run-tested cabinet with R-454B charged and the gas furnace installed — set it, connect power, gas, and ducting, and commission. Convert to propane with the RXGJ-FP39 LP conversion kit. Need cooling only? See the matching 12.5-ton RACD straight-air unit, browse more Rheem equipment, or the full packaged unit lineup.
Unit Features
Cooling, Compressor & Coils
- Two tandem scroll compressors factory-charged with low-GWP R-454B refrigerant
- Two stages of cooling for part-load operation, quieter running, and improved humidity control
- MicroChannel outdoor and indoor coils with TXV metering and a solid-core filter drier
- Factory-installed A2L refrigerant leak detection with automatic mitigation
- Rated 11.0 EER / 14.6 IEER at 142,000 BTU/h AHRI net cooling
- High- and low-pressure protection with Smart Logic and internal compressor overload
- Cooling operation to 125°F ambient; convertible downflow or horizontal airflow
- Heavy galvanized cabinet with forkable base rails and gasket-protected panels
Gas Heat, Controls & Serviceability
- Two-stage natural gas heat — 150,000 BTU/h nominal input, 121,500 BTU/h output at 81% steady-state efficiency
- Durable two-stage gas heat exchanger with 6 burners and direct spark ignition (10-year warranty; stainless-steel exchanger available)
- First-stage heat near 70% of full fire (~85,050 BTU/h) for even comfort; field-convertible to LP with the Rheem RXGJ-FP39 kit
- Belt-drive supply fan delivering 5,000 nominal CFM with a standard Variable Frequency Drive (VFD)
- CoreCommand control with PlusOne diagnostics and dual 7-segment LED display
- Pre-wired for a field- or factory-installed economizer (free cooling)
- 460V, 3-Phase, 60 Hz power: 31 A minimum circuit ampacity, 35 A maximum overcurrent protection
- Ships wired and run-tested; 0.75 in. gas connection; MERV filters available
Specifications & Manuals
Product documentation includes RGED series technical specifications, installation instructions, and warranty information to assist with equipment selection, installation, and service. This unit carries a Rheem limited warranty; see the warranty document above for full coverage terms.
Frequently Asked Questions
What cooling and heating capacity does the RGEDYB150ADG152AAAA0 provide?
It delivers 142,000 BTU/h AHRI net cooling (11.0 EER / 14.6 IEER) and 121,500 BTU/h of gas heating output from a 150,000 BTU/h nominal, two-stage furnace at 81% steady-state efficiency. Size both sides from an engineered commercial load calculation.
What power does the RGEDYB150ADG152AAAA0 require?
It is wired for 460V, 3-Phase, 60 Hz and, on the standard VFD-Medium drive, needs a 31 A minimum circuit ampacity with a 35 A maximum overcurrent protection device. If your panel is 208/230V, order the 208/230V version instead.
Is the furnace two-stage, and can it run on propane?
Yes. The gas furnace is two-stage with 6 burners and direct spark ignition; first stage runs near 70% of full fire. It ships for natural gas and can be field-converted to LP (propane) with the Rheem RXGJ-FP39 LP conversion kit for RGED gas packs.
Does the VFD supply fan come standard?
Yes. A variable frequency drive on the belt-drive supply fan is standard on every RGEDYB unit. It ramps the fan smoothly and runs at reduced speed at part load for lower energy use, quieter operation, and better dehumidification.
Can this unit be installed downflow and horizontal?
Yes. Airflow is field-convertible between vertical downflow (for curbed rooftop openings) and horizontal side-flow, so the same unit works on a curb or a slab with side duct connections.
How is the 12.5-ton gas pack different from the smaller sizes?
It is the largest RGED size at 142,000 BTU/h AHRI net cooling and 5,000 CFM, and it uses two tandem scroll compressors rather than a single two-stage scroll.
RGEDYB 7.5-12.5 Ton Gas Package Installation InstructionsRGEDYB 7.5-12.5 Ton Gas Package Technical SpecificationsRheem Residential & Commercial Warranty 
