What size furnace should I buy?

Square FootageFurnace BTU
1,000-1,200 sq. ft. Home40,000 - 60,000 BTU
1,200-1,500 sq. ft. Home60,000 BTU
1,500-1,800 sq. ft. Home60,000 - 80,000 BTU
1,800-2,500 sq. ft. Home80,000 - 100,000 BTU
2,500-3,500 sq. ft. Home100,000 to 120,000 BTU
Carrier Performance™ Series 90 – 59SP2

Carrier Performance™ Series 90 – 59SP2

AFUE: Up to 92.10%
ENERGY STAR ®: Yes
Burner Type: Dual Stage
Blower Type: Variable Speed
Price: $4,835 – $6,170
BTU Output: 37,000 – 111,000
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🔥Carrier 59SP2 Review (Price, Efficiency & Installation Cost Guide)

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.

🔹Quick Overview: Carrier Performance™ Series 90 – 59SP2

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.

Quick Specs

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

🔸How Much Does the Carrier 59SP2 Cost Installed?

Carrier 59SP2 Furnace Price

  • 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.

🛠️ Design & Performance Features

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.

⚙️ Core Performance & Efficiency

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.

🔇 Noise & Quiet Operation

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.

🛡️ Design, Protection & Serviceability

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).

⭐Key Features of the Carrier 59SP2

SmartEvap™ Technology

Improves summer dehumidification when paired with compatible cooling systems by reducing re-humidification up to 10%.

ECM High-Efficiency Blower Motor

Delivers smoother airflow, quieter operation, and improved energy efficiency compared to standard motors.

Hybrid Heat® Compatibility

Can integrate with heat pump systems for enhanced efficiency in milder climates.

Aluminized-Steel Heat Exchanger

Built for durability and corrosion resistance.

PowerHeat™ Hot Surface Ignition

Pilot-free ignition system that improves reliability and reduces wasted fuel.

Self-Diagnostics System

SuperBrite LED diagnostic system simplifies servicing and maintenance.

➕Pros and Cons of the Carrier 59SP2

Pros

✔ Affordable compared to high-efficiency models
✔ Reliable 92% AFUE performance
✔ Quiet ECM blower motor
✔ Good warranty coverage
✔ Hybrid Heat® compatible

Cons

✖ Single-stage heating (less precise temperature control)
✖ Discontinued model
✖ Not ideal for very cold climates
✖ Lower efficiency than modern 96–98% furnaces

🧾 Warranty Coverage

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.

🔍Comparable Models by Carrier 59SP2 vs Similar Models

1. 59SP2 vs 59SC2A

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

2. Model Comparison by Tier:59SP2 vs Carrier 59MN7A (Greenspeed® Intelligence)

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.

✅Who Is the Carrier 59SP2 Best For?

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

⭐Is the Carrier 59SP2 Still Worth Buying?

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.

🏆Final Verdict: Carrier 59SP2 Review

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.

Frequently Asked Questions (FAQ)

1. Is the Carrier 59SP2 discontinued?

Yes. Carrier appears to have discontinued the 59SP2, but some distributors may still have remaining inventory.

2. How much does a Carrier 59SP2 cost installed?

The average installation cost ranges from $4,835 to $6,170 depending on location and installation requirements.

3. What is the efficiency rating of the Carrier 59SP2?

The furnace has an AFUE rating of 92–92.1%, making it moderately efficient compared to 80% furnaces.

4. Is the Carrier 59SP2 a good furnace?

Yes, it is a reliable mid-range furnace suitable for moderate climates and homeowners seeking affordability.

5. What size home is the Carrier 59SP2 best for?

It is best suited for small to medium-sized homes in moderate winter climates.

6. Does the Carrier 59SP2 qualify for rebates?

Because it is 92% AFUE, rebate eligibility may be limited compared to 96%+ ENERGY STAR® models. Check with local utility providers.

💰What Factors Affect Furnace Pricing in Canada?

The installation or replacement cost of any furnace, air conditioner, or heat pump in Canada can vary based on several important factors:

📍Top Cities We Serve Across Canada

We proudly help homeowners across Canada compare furnace prices, get installation quotes, and find trusted HVAC contractors. Here are some of the top cities where we provide service:

Hamilton • Burlington • Brantford • Cambridge • Kitchener • Milton • Oakville

Whether you’re upgrading your furnace, replacing an old system, or comparing HVAC quotes, our certified contractors are available to assist you in all major regions across Ontario and beyond.

Get free quotes from trusted HVAC professionals in your city and compare furnace installation costs instantly.

💡Our HVAC Partners Are Members of Leading Canadian Associations

We partner with installers affiliated with recognized industry organizations, including:

These affiliations ensure reliable service, certified expertise, and consistent installation quality across Canada.

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