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The Carrier Comfort™ Series 24SCB4 is a single-stage central air conditioner designed for reliable residential cooling using Puron® (R-410A) refrigerant. With efficiency ratings up to 15.5 SEER2 (depending on indoor coil match), it provides dependable performance and energy-conscious operation for homes of various sizes.
Price includes the indoor coil (ADP A Coil)
Air Conditioner Services in Greater Toronto Areas and Southern Ontario
The Carrier Comfort™ Series 24SCB4 single-stage air conditioner is designed to deliver dependable residential cooling performance using environmentally responsible Puron® (R-410A) refrigerant. Available in capacities ranging from 1.5 to 5 tons, these outdoor condensing units provide reliable cooling for a wide range of residential applications when matched with compatible indoor coils or air handlers.
Depending on the indoor equipment combination, the system offers efficiency ratings ranging from approximately 13.4 to 15.5 SEER2, helping homeowners balance cooling performance with energy efficiency. Each unit is engineered with a single-stage scroll compressor, internal pressure relief valve, internal thermal overload protection, and a filter drier to support long-term reliability and consistent system operation.
Carrier’s WeatherArmor™ protection package features durable sheet-metal construction and a dense wire coil guard designed to protect the condenser coil from weather, debris, and outdoor conditions. The units also include front-seating service valves and support long-line applications up to 250 feet equivalent length, providing installation flexibility for a variety of residential system layouts.
Professional installation is essential to ensure optimal performance and system longevity. Proper installation includes accurate system sizing, compatible indoor coil matching, correct refrigerant charging, and compliance with electrical and HVAC installation standards.
At 4Most Energy, licensed HVAC technicians install Carrier Comfort™ Series air conditioners according to manufacturer specifications and Ontario code requirements to ensure reliable cooling performance and efficient operation throughout the summer season.
Single-stage scroll compressor
Puron® (R-410A) refrigerant
13.4–15.5 SEER2 efficiency (model dependent)
Internal pressure relief valve
Internal thermal overload protection
Factory-installed filter drier
Front seating service valves
Long-line capability (up to 250 ft equivalent length, application dependent)
Low ambient cooling capability with approved accessory kits
WeatherArmor™ Protection Package with durable sheet metal cabinet
| Specification | Details |
|---|---|
| Specification | Carrier Comfort™ Series 24SCB4 |
| Product Type | Split-System Single-Stage Central Air Conditioner |
| Available Capacities | 1.5 – 5 Tons (18,000 – 60,000 BTU) |
| Refrigerant | Puron® (R-410A) |
| Compressor Type | Scroll Compressor |
| Cooling Efficiency | Approximately 13.4 – 15.5 SEER2 (depending on indoor unit match) |
| Electrical Supply | 208–230V / 1 Phase / 60 Hz |
| Compressor Protection | Internal pressure relief valve and internal thermal overload |
| Condenser Fan Type | Propeller, direct-drive vertical discharge |
| Fan Motor Range | Approximately 1/12 HP – 1/4 HP depending on model size |
| Condenser Airflow | Approximately 1,600 – 4,000 CFM depending on model |
| Factory Refrigerant Charge | Varies by capacity and indoor coil match |
| Refrigerant Line Connections | Liquid line 3/8 in.; vapor line size varies by capacity |
| Installation Capability | Long-line applications up to 250 ft equivalent piping length |
| Cabinet Construction | WeatherArmor™ steel cabinet with dense wire coil guard |
| Low Ambient Cooling | Supported with approved accessory kits |
| Sound Levels | Approximately 72–76 dBA depending on model size |
| Model | Capacity | Recommended Home Size | Recommended Occupants |
|---|---|---|---|
| 24SCB418N003 | 1.5 Ton | Up to ~1,000 sq ft | 1–2 |
| 24SCB424N003 | 2 Ton | 1,000–1,400 sq ft | 2–4 |
| 24SCB430N003 | 2.5 Ton | 1,400–1,800 sq ft | 3–5 |
| 24SCB436N003 | 3 Ton | 1,800–2,200 sq ft | 4–6 |
| 24SCB442N003 | 3.5 Ton | 2,200–2,600 sq ft | 4–6 |
| 24SCB448N003 | 4 Ton | 2,600–3,000 sq ft | 5–7 |
| 24SCB460N003 | 5 Ton | 3,000+ sq ft | 6+ |
Outdoor condenser placement
Refrigerant line connection (standard length)
Electrical whip and disconnect (where applicable)
System startup and testing
Major duct modifications
Panel electrical upgrades
Extended line sets beyond standard allowance
Payment is processed upon completion unless financing is arranged.
Manufacturer Warranty
Carrier limited parts warranty (registration dependent; refer to manufacturer documentation for terms and duration).
4Most Energy Labour Warranty
Labour warranty provided on installation workmanship (terms provided in installation agreement).
Warranty Claims Process
Contact 4Most Energy service department
Diagnostic inspection scheduled
Parts ordered if required
Repair completed under warranty terms
Maintenance Plans
Preventative maintenance plans starting from $12.99/month.
Annual Maintenance Includes:
Coil inspection and cleaning
Electrical connection tightening
Refrigerant performance check
Condenser fan and motor inspection
Operating pressure verification
Regular maintenance protects compressor longevity, maintains efficiency, and ensures proper cooling performance during Ontario summer conditions.
Toronto, Markham, Richmond Hill, Vaughan, Aurora, New market, Scarborough, Brampton, and Mississauga.
Extended Service Area: Stouffville, Oshawa, Barrie, Orangeville, Hamilton, St. Catharines, Guelph, Kitchener.
