If you’re shopping for a 4 ton heat pump that keeps a larger home comfortable in every season, you’ve landed in the right place.
Below you’ll find five reliable options broken down by capacity, efficiency, and build quality so you can pick with confidence.
| Feature | Oxbox by Trane 4 Ton 14.3 SEER2 | Ameristar 4 Ton System + Heat Strip | Ameristar 4 Ton Condenser Only | Goodman GPH1448H41 Package Unit | Goodman GPHM34841 Package Unit |
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| SEER2 Rating | 14.3 | 14 SEER | 14 SEER | 14 SEER | 13.4 |
| Cooling & Heating Capacity | 48,000 BTU | 48,000 BTU | 48,000 BTU | 48,000 BTU | 48,000 BTU |
| System Type | Split System (Condenser + Air Handler) | Split System (Condenser + Air Handler + Heat Strip) | Condenser Only | All-in-One Package Unit | All-in-One Package Unit |
| Refrigerant | R-454B | R-410A | R-410A | R-410A | R-410A |
| Compressor | Single-Stage Scroll | Scroll | Scroll | Rotary Scroll (Two-Stage) | High-Efficiency Scroll |
| Dimensions (L x W x H) | 35″ x 35″ x 34.5″ | 35″ x 35″ x 34″ | 35″ x 35″ x 34″ | 51″ x 47″ x 43″ | 51″ x 47″ x 43″ |
| Warranty | 10-Year Parts Limited | 10-Year Parts Limited | 10-Year Parts Limited | 10-Year Parts Limited | 10-Year Parts Limited |
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| Product | Image | Feature 1 | Feature 2 | Feature 3 | Feature 4 | Feature 5 | Feature 6 | Buy Now |
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| Oxbox by Trane 4 Ton 14.3 SEER2 | |
14.3 SEER2 | 48,000 BTU | Split System | R-454B | Single-Stage Scroll | 35″ x 35″ x 34.5″ | |
| Ameristar 4 Ton System + Heat Strip | |
14 SEER | 48,000 BTU | Split System + Heat Strip | R-410A | Scroll | 35″ x 35″ x 34″ | |
| Ameristar 4 Ton Condenser Only | |
14 SEER | 48,000 BTU | Condenser Only | R-410A | Scroll | 35″ x 35″ x 34″ | |
| Goodman GPH1448H41 Package Unit | |
14 SEER | 48,000 BTU | All-in-One Package | R-410A | Rotary Scroll (2-Stage) | 51″ x 47″ x 43″ | |
| Goodman GPHM34841 Package Unit | |
13.4 SEER2 | 48,000 BTU | All-in-One Package | R-410A | High-Efficiency Scroll | 51″ x 47″ x 43″ | |
1. Oxbox by Trane 4 Ton 14.3 SEER2 Heat Pump System with Air Handler
If you want the engineering pedigree of a major manufacturer without the premium branding markup, this Oxbox by Trane system is worth your attention.
It pairs a 48,000 BTU heat pump with a matched air handler, so you get a complete, AHRI-rated system rather than mismatched parts.
The R-454B refrigerant also means this unit meets current efficiency and environmental standards.
Features
- 14.3 SEER2 single-stage heat pump paired with a matched PSC air handler
- 48,000 BTU cooling and heating capacity
- Designed for homes in the 2,000–2,800 sq ft range
- R-454B refrigerant compliant with current standards
Pros
- Backed by Trane engineering at a more accessible price point
- Complete matched system removes compatibility guesswork
- Suited to larger, multi-level homes
Cons
- PSC air handler motor isn’t as quiet as premium ECM options
- Single-stage operation means less nuanced temperature control than two-stage systems
If you’re replacing an aging system in a larger home and want dependable year-round comfort without chasing the most expensive tier, this system gives you a straightforward, well-matched setup you can trust.
Check its current price on Amazon
2. Ameristar 4 Ton 14 SEER Heat Pump System with Air Handler & Heat Strip
This Ameristar system gives you everything needed for a full installation in a single purchase.
You get the condenser, the air handler, and a heat strip, which is especially useful if you live somewhere winters dip low enough to need backup electric heat.
It’s a practical, no-surprises option for a straightforward swap-out.
Features
- Complete kit: condenser, air handler, and heat strip included
- 14 SEER rating with 48,000 BTU capacity
- R-410A refrigerant, factory pre-charged
- Scroll compressor for efficient, quiet operation
Pros
- Nothing extra to source separately before installation
- Heat strip adds reliable backup heat for colder climates
- Straightforward for a licensed installer to set up
Cons
- Bulkier to ship and store than a condenser-only option
- 14 SEER is solid but not top-tier efficiency
If your home occasionally sees temperatures where a heat pump alone can’t keep up, this bundled system gives you the backup heat source built right in with one order.
Check its current price on Amazon
3. Ameristar 4 Ton 14 SEER Heat Pump Condenser (Pre-Charged, R-410A)
This is the outdoor condenser on its own, which is exactly what you want if your air handler is already in good shape and only the compressor needs replacing.
It ships factory pre-charged, and it’s rated to keep working reliably even when outdoor temperatures climb toward 115°F.
That makes it a smart pick for hot-climate installs.
Features
- Factory pre-charged 4 ton condenser, no separate air handler included
- 14 SEER, 48,000 BTU capacity
- Rated for reliable operation up to 115°F ambient temperature
- All-aluminum coil design resists corrosion
Pros
- Ideal for replacing just a failed condenser
- Handles extreme heat better than many comparable units
- Galvanized cabinet holds up well outdoors
Cons
- You’ll need a compatible existing air handler
- Not a fit if your whole system needs replacing
If your indoor unit is still working fine and you just need a dependable outdoor half of the system, this condenser saves you from paying for parts you don’t need.
Check its current price on Amazon
4. Goodman 4 Ton 14 SEER Package Heat Pump (GPH1448H41)
If you don’t have room or ductwork suited to a split system, this Goodman package unit puts everything in a single outdoor cabinet.
It runs two-stage heating and cooling, which means it can ease into lower output on milder days instead of always running at full blast.
That translates into steadier comfort and less noise.
Features
- All-in-one packaged design, no separate indoor unit needed
- Two-stage rotary scroll compressor
- Variable-speed blower motor for quieter, more even airflow
- Includes a washable pre-filter for basic air quality upkeep
Pros
- Great for homes without space for an indoor air handler
- Two-stage operation improves comfort and efficiency over single-stage units
- Simple outdoor-only installation footprint
Cons
- Larger footprint outdoors than a split condenser alone
- Package units can be more exposed to weather over time
If your home is better suited to a rooftop or slab-mounted setup rather than a split system, this packaged Goodman unit gives you two-stage comfort in a single cabinet.
Check its current price on Amazon
5. Goodman 4 Ton 13.4 SEER2 Multi-Position Heat Pump Packaged Unit (GPHM34841)
If you want a packaged system built for flexible installation, this Goodman GPHM34841 adapts to horizontal or downflow setups without extra parts.
It houses everything in one all-aluminum-coil cabinet backed by a strong parts warranty.
It’s a dependable pick when you want simplicity without sacrificing durability.
Features
- Multi-position design supports horizontal or downflow installation
- All-aluminum evaporator coil resists corrosion
- Multi-speed ECM blower motor for efficient airflow
- Liquid-line filter drier protects the refrigerant system
Pros
- Flexible installation orientation saves planning headaches
- 10-year parts warranty when registered
- All-aluminum coil holds up well long-term
Cons
- 13.4 SEER2 trails the more efficient options on this list
- Packaged design still needs adequate outdoor clearance
If you want one dependable, easy-to-install unit that won’t box you into a single mounting orientation, this Goodman packaged heat pump gives you that flexibility without extra hardware to buy.
Check its current price on Amazon
Buying Guide
A 4 ton heat pump suits homes between 2,000 and 2,800 square feet. Check your SEER2 rating, since higher numbers mean lower energy bills. Match the condenser to a compatible air handler or coil. Confirm your ductwork can handle 48,000 BTU airflow, and always hire a licensed local HVAC installer.
Tips For Choosing And Installing Your Heat Pump
Before you buy, measure your existing ductwork and clearance space, since package units need more room than split condensers.
Ask your installer to run a proper load calculation instead of just matching your old unit’s tonnage.
If you live somewhere with harsh winters, pair your heat pump with a heat strip or backup furnace.
Register your warranty within the manufacturer’s window, since most require it for full parts coverage.
Schedule a seasonal tune-up every year to keep efficiency and lifespan on track.
FAQ
How many square feet can a 4 ton heat pump cool?
A 4 ton system typically covers homes between 2,000 and 2,800 square feet, depending on insulation and climate.
What’s the difference between a split system and a package unit?
A split system separates the condenser and air handler, while a package unit combines everything into one outdoor cabinet.
Do I need a heat strip with a heat pump?
You’ll want one if your winters regularly drop below freezing, since it provides backup heat when the heat pump alone can’t keep up.
Is a higher SEER2 rating worth the extra cost?
Yes, especially if you run your system heavily, since the efficiency gains add up in lower monthly energy bills.
Can I install a 4 ton heat pump myself?
No, these systems require refrigerant handling and electrical work that should always be done by a licensed HVAC professional.
Conclusion
Any of these five 4 ton heat pumps will keep a larger home comfortable through every season.
If you want a fully matched system, go with the Oxbox by Trane or the Ameristar bundle.
If you’re only replacing a condenser, the Ameristar unit alone is your best bet.
And if space or ductwork calls for an all-in-one solution, either Goodman package unit will serve you well for years to come.