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| 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 |
DISCONTINUED MODEL NOTICE:
The Carrier 59SP2 has been discontinued by the manufacturer. However, it may still be available through select HVAC distributors and contractors while supplies last.
The Carrier Performance™ Series 90 – 59SP2 is a reliable, mid-efficiency gas furnace designed for homeowners seeking dependable comfort and energy savings. With up to 96.5% AFUE efficiency, it helps reduce heating costs while maintaining steady indoor temperatures. As part of Carrier’s Performance Series, it offers a practical balance between affordability and performance.
The built-in SmartEvap™ technology enhances summer humidity control when paired with a compatible cooling system, reducing re-humidification by up to 10% for improved year-round indoor comfort.
The Carrier 59SP2 furnace is a 92% AFUE single-stage gas furnace designed for reliable heating, quiet performance, and moderate efficiency. As part of Carrier’s Performance Series, it offers a strong balance between affordability and comfort.
| Feature | Details |
|---|---|
| AFUE Rating | 92 – 92.1% |
| BTU Input | 40,000 – 120,000 |
| BTU Output | 37,000 – 111,000 |
| Gas Valve | Single-Stage |
| Blower Motor | ECM High-Efficiency |
| Cabinet Height | 35 inches |
| Hybrid Heat® Compatible | Yes |
| Average Installed Cost | $4,835 – $6,170 |
Unit Price Only: $2,300 – $3,000
Installed Cost: $4,835 – $6,170
Installation cost varies based on:
Home size
Ductwork condition
Location & labor rates
Venting modifications
Removal of old furnace
Compared to other 92% AFUE furnaces, the Carrier 59SP2 falls into the mid-range pricing category.
Because this model is discontinued, pricing may vary depending on remaining inventory.
The Carrier 59SP2 is engineered for dependable performance while maintaining installation flexibility and long-term durability.
1.Compact Cabinet Design
With a 35-inch cabinet height, the 59SP2 fits easily into tight spaces, making it ideal for retrofit applications and low-clearance installations.
2.Sealed Combustion System
The sealed combustion design improves safety and efficiency by drawing air from outside the home rather than using indoor air for combustion.
Hybrid Heat® Compatibility
This furnace can integrate with a compatible heat pump system, allowing homeowners to alternate between electric and gas heating for improved energy efficiency in milder climates.
The Carrier 59SP2 delivers steady heating performance and moderate efficiency for small to medium-sized homes.
1.92% AFUE Efficiency
With an AFUE rating of 92–92.1%, this furnace converts most of its fuel into usable heat. It offers improved efficiency compared to older 80% models while remaining more affordable than premium 96–98% furnaces.
2.Single-Stage Operation
The single-stage gas valve operates at full capacity when heating is required. While not as precise as two-stage or modulating systems, it provides consistent and reliable warmth.
3.ECM High-Efficiency Blower Motor
The ECM blower motor enhances airflow control and consumes less electricity than traditional motors, contributing to improved overall system efficiency.
4.BTU Range Options
Available from 40,000 to 120,000 BTUs, the 59SP2 can be properly sized to match various home heating requirements.
Carrier incorporates multiple features designed to minimize operational noise.
QuieTech™ Noise Reduction
Carrier’s QuieTech™ system reduces vibration and improves airflow design to lower sound levels during operation.
Fully Insulated Cabinet
The insulated steel cabinet helps dampen sound while also reducing heat loss.
Smooth Airflow Transitions
The high-efficiency blower motor supports gradual airflow changes, reducing abrupt starts and stops that can cause noticeable noise.
The 59SP2 includes durability and maintenance-friendly features that support long-term reliability.
Aluminized-Steel Heat Exchanger
Built for corrosion resistance and structural durability, the primary heat exchanger is designed to withstand repeated heating cycles.
PowerHeat™ Hot Surface Ignition
The silicon nitride ignition system provides dependable startup performance without the need for a pilot light.
Self-Diagnostic System
The SuperBrite LED diagnostic indicator allows technicians to quickly identify system issues, simplifying troubleshooting and reducing service time.
Warranty Coverage
The furnace includes a lifetime limited heat exchanger warranty and a 10-year limited parts warranty (with proper registration).
Improves summer dehumidification when paired with compatible cooling systems by reducing re-humidification up to 10%.
Delivers smoother airflow, quieter operation, and improved energy efficiency compared to standard motors.
Can integrate with heat pump systems for enhanced efficiency in milder climates.
Built for durability and corrosion resistance.
Pilot-free ignition system that improves reliability and reduces wasted fuel.
SuperBrite LED diagnostic system simplifies servicing and maintenance.
✔ Affordable compared to high-efficiency models
✔ Reliable 92% AFUE performance
✔ Quiet ECM blower motor
✔ Good warranty coverage
✔ Hybrid Heat® compatible
✖ Single-stage heating (less precise temperature control)
✖ Discontinued model
✖ Not ideal for very cold climates
✖ Lower efficiency than modern 96–98% furnaces
The Carrier 59SP2 includes:
Lifetime Limited Heat Exchanger Warranty
10-Year Limited Parts Warranty
Optional labor warranty (dealer dependent)
Registration within 90 days of installation is required for full coverage.
Both models:
92% AFUE
Similar BTU range
Budget-friendly pricing
The 59SP2 offers slightly enhanced humidity control and airflow performance.
| Feature | 59SP2 | 59SC2A |
|---|---|---|
| AFUE | ~92% | ~92% |
| BTU Range | 40,000–120,000 | 40,000–120,000 |
| Comfort Level | Better airflow & humidity control | Standard comfort |
| Series | Performance Series | Comfort Series |
| Installed Price | $4,000–$4,500 | $3,120–$3,300 |
| Feature | 59SP2 | 59MN7A |
|---|---|---|
| AFUE | 92% | Up to 98.5% |
| Stage Type | Single | Modulating |
| Price | Mid-range | Premium |
| Efficiency | Moderate | Very High |
The 59MN7A is a premium system, while the 59SP2 is designed for affordability and dependable heating.
This furnace is ideal for:
Small to medium homes
Moderate winter climates
Budget-focused homeowners
Replacement installations with limited clearance space
Retrofit projects requiring compact cabinet height
Because the model is discontinued, availability is limited.
It may still be worth purchasing if:
You find competitive pricing
You prefer Carrier brand reliability
You don’t require high-efficiency 96%+ performance
However, if energy savings are a priority, newer two-stage or modulating models may provide better long-term value.
The Carrier 59SP2 is a dependable 92% AFUE furnace that offers solid performance, quiet operation, and mid-range pricing. While it lacks advanced modulation features, it remains a practical option for homeowners seeking reliable heating without premium costs.
If you can still find one in stock, it can be a cost-effective solution for moderate climates and smaller homes.
Yes. Carrier appears to have discontinued the 59SP2, but some distributors may still have remaining inventory.
The average installation cost ranges from $4,835 to $6,170 depending on location and installation requirements.
The furnace has an AFUE rating of 92–92.1%, making it moderately efficient compared to 80% furnaces.
Yes, it is a reliable mid-range furnace suitable for moderate climates and homeowners seeking affordability.
It is best suited for small to medium-sized homes in moderate winter climates.
Because it is 92% AFUE, rebate eligibility may be limited compared to 96%+ ENERGY STAR® models. Check with local utility providers.
The installation or replacement cost of any furnace, air conditioner, or heat pump in Canada can vary based on several important factors:
Size of the home and required furnace sizing
Your province and climate conditions (Ontario, hamilton, burlington, etc.)
Overall installation difficulty and labour hours
The need for ductwork upgrades
Pricing and experience of local HVAC contractors
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