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Goodman
3 Ton Air Conditioner
Goodman Single-Stage, R-32 | GLXS3BN3610
$2,017.00
A 3 ton air conditioner delivers 36,000 BTU of cooling — the right size for most homes between roughly 1,500 and 1,800 square feet. Browse 3 ton split-system condensers matched to the SEER2 efficiency and refrigerant your setup needs, and pair them with a compatible coil or air handler for rated performance.
23 products
Goodman
Goodman Single-Stage, R-32 | GLXS3BN3610
Goodman
Goodman Up to 15.2 SEER2 Single-Stage, Classic, R-32 | GLXS4BA3610
Goodman
Goodman Up to 15.2 SEER2 Single-Stage, Multi-Family, R-32 | GLXS4MA3610
Goodman
Goodman Up to 16.5 SEER2 Single-Stage, R-32 | GLXS5BA3610
Goodman
Goodman Up to 17.2 SEER2 Two-Stage, R-32 | GLXT7CA3610
Goodman
Goodman Up to 17.2 SEER2 Variable-Speed, R-32 | GXV6SA3610
Goodman
Goodman Up to 17.2 SEER2 Variable-Speed Side-Discharge, R-32 | GXV6SS3610
Goodman
Goodman Up to 19 SEER2 Variable-Speed, R-32 | GXV9SA3610
Ruud
Ruud 14.3 SEER2 Single-Stage, R-454B | RA14AY36AJ1NA
Ruud
Ruud 15.2 SEER2 Single-Stage, R-454B | RA15AY36AJ1NA
Ruud
Ruud 17 SEER2 Two-Stage, R-454B | UA16AY36AJ2NA
Ruud
Ruud 19 SEER2 Variable-Speed, R-454B | UA19AY36AJVCA
Trane
Trane 14 Series Single-Stage, 208-230V Three-Phase, R-454B | 5TTA4036A3000
Trane
Trane 14 Series Single-Stage, 460V Three-Phase, R-454B | 5TTA4036A4000
Trane
Trane 14 Series Single-Stage, R-454B | 5TTR4036A1000
Trane
Trane 15 Series Single-Stage, R-454B | 5TTR5036A1000
Trane
Trane 15 Series Single-Stage, WeatherGuard Top, R-454B | 5TTX5036A1000
Trane
Trane 16 Series Single-Stage, R-454B | 5TTR6036A1000
Trane
Trane 16 Series Single-Stage, WeatherGuard Top, R-454B | 5TTX6036A1000
Trane
Trane 17 Series Multi-Speed, R-454B | 5TTR7036A1000
Trane
Trane 17 Series Multi-Speed, WeatherGuard Top, R-454B | 5TTX7036A1000
Trane
Trane 18 Series TruComfort Variable Speed, R-454B | 5TTV8X36A1000
Trane
Trane 20 Series TruComfort Variable Speed, WeatherGuard Top, R-454B | 5TTV0X36A1000
Tonnage is a measure of cooling capacity, not physical size: one ton equals 12,000 BTU/h, so a 3 ton system moves 36,000 BTU/h. The square-footage rule of thumb gets you close, but climate, insulation, ductwork, window area, and ceiling height all shift the real load. A Manual J load calculation is the reliable way to confirm 3 tons is right before you buy — oversizing short-cycles and dehumidifies poorly, undersizing runs constantly on hot days.
Before you order, check that the rest of the system lines up:
Not sure the 3 ton class is the right fit, or need help matching a coil? Our team can spec a complete system for your home.
A 3 ton unit produces 36,000 BTU/h, which typically suits homes of about 1,500–1,800 sq ft. Exact sizing depends on your climate, insulation, windows, and ceiling height — a Manual J load calculation is the reliable way to confirm it.
36,000 BTU per hour. One ton of cooling equals 12,000 BTU/h, so 3 tons is 3 × 12,000 = 36,000 BTU/h.
Yes. A condenser should be paired with a compatible evaporator coil or air handler of the same capacity so the system reaches its rated SEER2 and cools efficiently. Mismatched components can also void the manufacturer's warranty.
Federal minimums for split-system ACs run about 13.4–14.3 SEER2 depending on your region. Higher-SEER2 units cost more up front but lower your running costs — worth it the longer you stay in the home.
Newer 3 ton systems ship with low-GWP R-454B or R-32 refrigerant, while many existing systems still use R-410A. Match the condenser and indoor coil to the same refrigerant.
Setting the equipment is straightforward, but connecting the refrigerant lines, pulling a vacuum, and charging the system require EPA 608 certification and specialized tools. Most buyers have a licensed HVAC tech complete the hookup and startup.