Armstrong Air 4 Tons Gas Heat Upflow Air Conditioner System - 20 SEER - 4SCU20LX148P / A80US2V090C20 / 1.841226
ARMSTRONG AIR 4SCU20LX148P - 4.0 Ton 20 SEER Inverter Driven Condensing Unit (4SCU20LX148P)ARMSTRONG AIR A80US2V090C20 - 3.5-5 Ton 88 MBH 80% 2 Stage Furnace Variable Speed ECM Motor 21.0 Inches Width x 33 Inches Height (A80US2V090C20)ARMSTRONG AIR 1.841226 - Comfort Sync A3 Ultra-Smart Communicating WiFi Thermostat (1.841226)
Features
- 4.0 Ton 20 SEER Inverter Driven Condensing Unit
- 35.75 Inches Width x 37.75 Inches Depth x 43.75 Inches Height
- 3/8LL 7/8SL
- 50A MOCP
- 287 Lbs
- 3.5-5 Ton 88 MBH 80% 2 Stage Furnace Variable Speed ECM Motor 21.0 Inches Width x 33 Inches Height
- 159 Lbs
- Comfort Sync A3 Ultra-Smart Communicating WiFi Thermostat
- 7 in. HD LCD Display
- 2 Lbs
What our Experts Think
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Exceptional efficiency: The 4SCU20LX148P outdoor unit delivers up to 20 SEER, providing significant energy savings during cooling seasons.
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Smooth, variable output: Inverter-driven scroll compressor modulates in fine increments, reducing cycling and maintaining steady comfort.
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Pro Series synergy: Designed to pair with a Pro Series furnace and smart thermostat for optimized performance and diagnostics.
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Advanced heat transfer: MHTâ„¢ coil design with rifled tubing and lanced fins ensures efficient refrigerant flow and thermal exchange.
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Durable and quiet: Heavy-duty compressor blanket and louvered cabinet reduce noise while protecting key components.
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Reliable heating: A80US2V090C20 gas furnace provides 88,000 BTU input with ECM variable-speed blower and two-stage operation for balanced comfort.
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Strong warranty: Includes a 10-year limited parts and compressor warranty for long-term peace of mind.
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Smart long-term value: Combines high-efficiency cooling with a dependable gas furnace to lower energy bills and maintain consistent performance
Q&A
Q: What is the Armstrong Air 4‑Ton Gas Heat Upflow Air Conditioner System?
A: A matched 4‑ton cooling and gas heating system featuring a 20 SEER variable-capacity heat pump and an 80% AFUE upflow gas furnace.
Q: What refrigerant does it use?
A: R‑410A.
Q: What compressor type is used?
A: Variable-capacity (inverter) scroll compressor for precise cooling output.
Q: What protection and comfort features are included?
A: Quiet Shiftâ„¢ defrost, MHTâ„¢ tubing and lanced fins for heat transfer, integrated safety switches, and compatibility with smart thermostats.
Q: What furnace features improve comfort and efficiency?
A: Two-stage gas heating, variable-speed blower for consistent airflow, and an advanced heat exchanger design.
Q: Who is this system ideal for?
A: Homes needing high-capacity 4-ton cooling with reliable gas heating, especially in warm climates.
Q: What should be considered during installation?
A: Proper line set sizing, compatible thermostat for variable-capacity operation, and sufficient return/supply airflow to maximize efficiency.
Q: Any trade-offs or potential drawbacks?
A: Higher upfront cost due to high SEER and variable-capacity technology, and 80% AFUE furnace is less efficient than high-efficiency models in very cold climates.
Maintenance Tips
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Clean or replace air filters monthly: Maintains optimal airflow, indoor air quality, and energy efficiency.
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Inspect and clean coils: Keep evaporator and condenser coils free of dirt and debris to maximize cooling and heating performance.
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Check refrigerant levels: Proper refrigerant ensures peak efficiency and prevents compressor strain.
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Clear condensate drains and pans: Prevent clogs to avoid water damage and mold growth.
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Inspect electrical connections and gas lines: Ensure secure connections and check for wear to prevent system failures or leaks.
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Examine ductwork and seals: Repair leaks or blockages to maintain proper airflow and efficiency.
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Schedule annual professional maintenance: Keeps 20 SEER efficiency, ensures safe operation, and extends system lifespan.
