| Square Footage | Furnace BTU |
|---|---|
| 1,000-1,200 sq. ft. Home | 40,000 - 60,000 BTU |
| 1,200-1,500 sq. ft. Home | 60,000 BTU |
| 1,500-1,800 sq. ft. Home | 60,000 - 80,000 BTU |
| 1,800-2,500 sq. ft. Home | 80,000 - 100,000 BTU |
| 2,500-3,500 sq. ft. Home | 100,000 to 120,000 BTU |
The Carrier Performance™ 96 – 59SP6 is a high-efficiency, single-stage gas furnace that delivers strong energy savings, quiet operation, and dependable comfort at a mid-range price.
If you’re researching the Carrier 59SP6 furnace price, AFUE rating, features, and installation cost, this guide breaks down everything you need to know before buying.
| Feature | Details |
|---|---|
| AFUE Efficiency | Up to 96.5% |
| Heating Type | Single-Stage |
| Blower Motor | Variable-Speed ECM |
| ENERGY STAR® | Yes |
| Fuel Type | Natural Gas / Propane Convertible |
| Average Installed Cost | $5,000 – $5,600 |
Unit Cost Only: $3,000 – $4,000
Installed Cost: $5,000 – $5,600
Installation pricing depends on:
Home size
Venting configuration
Duct modifications
Thermostat upgrades
Regional labor rates
Compared to Infinity models, the 59SP6 provides similar efficiency at a more affordable cost.
Improves energy capture by extracting additional heat from exhaust gases.
Maximizes fuel efficiency while minimizing heat loss.
Enhances durability and reduces operational sound.
Draws air from outside the home to improve safety and efficiency.
Converts nearly all fuel into usable heat, helping reduce heating bills.
Provides reliable, full-capacity heating when needed.
Delivers smoother airflow, improved humidity control, and quieter performance.
Can integrate with a heat pump for dual-fuel energy optimization.
Works with compatible cooling systems to manage summer humidity.
Reduces sudden airflow changes for quieter heating cycles.
Dampens vibration and lowers sound levels.
Improves combustion efficiency while minimizing noise.
While not as refined as two-stage models, the 59SP6 operates more quietly than most entry-level furnaces.
Reliable, pilot-free ignition system.
Designed for long-term durability.
Simplifies maintenance and diagnostics.
Lifetime limited heat exchanger warranty (with registration)
10-year limited parts warranty (with registration)
Registration within 90 days ensures full coverage.
High 96.5% efficiency
ENERGY STAR® certified
Quiet variable-speed airflow
Lower cost than two-stage Performance models
Compatible with heat pump systems
Ideal upgrade from older 80–92% furnaces
✔ Excellent efficiency for a single-stage model
✔ ENERGY STAR® certified
✔ Variable-speed comfort
✔ Strong mid-tier value
✖ Single-stage heating
✖ Less precise temperature control than two-stage models
✖ Not premium-tier smart control
Small to medium-sized homes
Mild to moderately cold climates
Homeowners upgrading from older low-efficiency systems
Buyers seeking ENERGY STAR® certification without Infinity pricing
Budget-conscious homeowners wanting high AFUE performance
| Feature | 59SP6 | 59TN6 |
|---|---|---|
| AFUE | 96.5% | 96.7% |
| Heating | Single-Stage | Two-Stage |
| Blower | Variable-Speed | Variable-Speed |
| Installed Cost | $5,000–$5,600 | $6,000–$6,600 |
Verdict: Infinity 96 offers smoother temperature control, but the 59SP6 provides similar efficiency at a lower price.
The Infinity 96 – 59TN6 is a premium-tier model, typically costing about $1,000 more, with an average installed price between $6,000 and $6,600.
While both models have similar efficiency (up to 96.7% AFUE), the Infinity 96 includes two-stage operation, providing smoother performance, quieter heating, and improved humidity control.
The Performance 59SP6, however, remains a great value if you want high efficiency without the added cost of advanced controls.
| Feature | 59SP6 | 59MN7 |
|---|---|---|
| AFUE | 96.5% | Up to 98.5% |
| Heating | Single-Stage | Modulating |
| Blower | Variable-Speed | Variable-Speed |
| Installed Cost | $5,000–$5,600 | $7,500–$8,100 |
Verdict: Infinity 98 offers maximum efficiency and precision control, but the 59SP6 is far more budget-friendly.
If you’re comparing the Performance Series to the best Carrier offers, the Infinity 98 – 59MN7 is the flagship model. It features modulating gas operation, variable-speed performance, and an exceptional 98.5% AFUE rating.
This top-tier furnace costs $7,500–$8,100 installed and includes Greenspeed® Intelligence, Carrier’s advanced technology that optimizes temperature, humidity, and sound performance for ultimate comfort.
While the 59SP6 doesn’t match the 59MN7’s sophistication, it offers excellent value at nearly half the cost.
| Feature | 59SP6 | 59TP6 |
|---|---|---|
| AFUE | 96.5% | 96.5% |
| Heating | Single-Stage | Two-Stage |
| Blower | Variable-Speed | Variable-Speed |
| Installed Cost | $5,000–$5,600 | $5,000–$5,600+ |
Verdict: The 59TP6 delivers better comfort due to two-stage operation, while the 59SP6 is a simpler, cost-effective alternative.
Both furnaces belong to the Performance Series and share many similarities—96.5% AFUE efficiency, variable-speed blower motors, and ENERGY STAR certification.
The Performance 59TP6, however, adds a two-stage gas valve, which allows it to run more efficiently at low capacity most of the time. This means quieter operation, steadier temperatures, and better humidity control—though at a slightly higher price point.
For homeowners seeking a balance of cost and comfort, the 59SP6 remains a strong mid-range choice.
If you want:
High efficiency
Reliable performance
ENERGY STAR® eligibility
Lower cost than premium models
The 59SP6 offers strong value for homeowners seeking efficient heating without advanced modulation features.
The Carrier Performance™ 96 – 59SP6 is a dependable mid-range furnace that delivers excellent efficiency and quiet operation. While it lacks two-stage or modulating technology, its variable-speed blower and secondary heat exchanger help it outperform many single-stage competitors.
For homeowners wanting Carrier quality and ENERGY STAR efficiency without paying Infinity prices, the 59SP6 remains a smart investment.
Installed costs typically range from $5,000 to $5,600 depending on installation complexity and region.
The furnace offers up to 96.5% AFUE efficiency.
Yes, it meets ENERGY STAR® efficiency standards.
Yes, but two-stage or modulating models may provide better comfort in extreme cold.
Lifetime limited heat exchanger warranty and 10-year parts warranty (with registration).
The 59TP6 offers two-stage heating for improved comfort, while the 59SP6 is a more affordable single-stage option.
Pricing for furnace and HVAC replacements depends on:
Property size and heating output needs
Location and seasonal climate
Installation complexity
Local contractor rates
Type of service (repair or replacement)
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