Air Conditioner

Carrier® Infinity® - 4 Ton 21 SEER2 Variable Speed Air Conditioner Condensing Unit (R-454B) service and support

Carrier Residential Air Conditioner - 26VNA1 Air Conditioner Repair, maintenance, and replacement planning

Product service snapshot

Carrier® Infinity® - 4 Ton 21 SEER2 Variable Speed Air Conditioner Condensing Unit (R-454B) service details

Carrier® Infinity® - 4 Ton 21 SEER2 Variable Speed Air Conditioner Condensing Unit (R-454B) is a Carrier® air conditioner record from the Carrier Enterprise catalog. Catalog model: 26VNA148W003. Product family: 26VNA1. Green Flow Solution uses this page for residential model identification, service planning, maintenance conversations, repair diagnostics, and replacement matching.

Brand: Carrier
Model or series: Carrier® Infinity® - 4 Ton 21 SEER2 Variable Speed Air Conditioner Condensing Unit (R-454B)
Equipment type: Air Conditioner
Product group: Residential Air Conditioner - 26VNA1

Technical snapshot

Carrier® Infinity® - 4 Ton 21 SEER2 Variable Speed Air Conditioner Condensing Unit (R-454B) technical snapshot

Product Specs

Model: 26VNA148W003
Manufacturer Number: 26VNA148W003
Vendor Number: 26VNA148W003
Catalog Brand: Carrier®
Product Family: 26VNA1
AHRI Usage: Outdoor
Brand: Carrier®
CFM: 4,190
Color: Gray
Compressor Type: Rotary
Condenser Coil Fins Per Inch (FPI): 20
Condenser Fan CFM: 4190
Condenser Fan Discharge: Vertical
Condenser Fan Motor Qty: 1
Condenser Motor HP: 1/3
Condenser Motor RPM: 200-825
Condenser Motor Speeds: Variable
Condenser Motor Type: ECM (Electronically Commutated Motor)
Cooling Capacity: 48,000
Country Of Origin: USA
Cycle/Hertz: 60 Hz
EER2: 12
Energy Star Rated: YES
Full Load Amps: 0.88
Height: 42.8
Inverter: NO
Length: 31.2
Liquid Line Fitting Type: Sweat or Braze
Liquid Line Size (OD): 3/8"
Locked Rotor Amps (LRA): 124
Maximum Overcurrent Protection (MOCP): 40
Maximum Piping Length: 200'
Metering Device: TXV/TEV - Thermostatic Expansion Valve
OPT Code: 1P26VNA148W003
Phase: Single
Prop 65: YES
Rated Load Amps (RLA): 17.9
Refrigerant: R-454B
SEER2: 21
Sound Level (dBA): 64-72
Stages Cooling: Variable
Suction Line Fitting Type: Sweat or Braze
Suction Line Size (OD): 7/8"
Tier: Infinity™
Tonnage: 4
UPC: See Optical
Voltage: 208-230 VAC
Weight: 361
Width: 31.2

Useful troubleshooting details

Confirm the exact model number, serial number, installed equipment type, and site voltage before service or replacement planning.
Match replacement equipment and accessories against current Carrier compatibility requirements, refrigerant type, capacity, airflow, and local code requirements.

Service planning

How GreenFlow handles Carrier® Infinity® - 4 Ton 21 SEER2 Variable Speed Air Conditioner Condensing Unit (R-454B) requests

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

Carrier® Infinity® - 4 Ton 21 SEER2 Variable Speed Air Conditioner Condensing Unit (R-454B) service questions

Can GreenFlow help with Carrier Carrier® Infinity® - 4 Ton 21 SEER2 Variable Speed Air Conditioner Condensing Unit (R-454B) service requests?

Yes. GreenFlow can help collect the right details for Carrier Carrier® Infinity® - 4 Ton 21 SEER2 Variable Speed Air Conditioner Condensing Unit (R-454B) service requests, including the model, symptoms, equipment age, building type, access notes, photos, and timing.

What symptoms should I mention for Carrier® Infinity® - 4 Ton 21 SEER2 Variable Speed Air Conditioner Condensing Unit (R-454B)?

Helpful symptoms include no cooling, weak airflow, uneven rooms, short cycling, outdoor-unit noise, condensate concerns, thermostat behavior, and whether the request is repair, maintenance, or replacement planning.

Is Carrier® Infinity® - 4 Ton 21 SEER2 Variable Speed Air Conditioner Condensing Unit (R-454B) used for residential or commercial properties?

Air conditioner requests are usually residential or managed-property cooling requests, with some light-commercial applications depending on the equipment type, access, and building layout.

What helps schedule Carrier® Infinity® - 4 Ton 21 SEER2 Variable Speed Air Conditioner Condensing Unit (R-454B) service faster?

Share the exact model and serial number if available, clear photos of the equipment and surrounding access area, current symptoms, recent maintenance history, and whether the request is repair, maintenance, or replacement planning.

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Our Happy Customers

Catherine M.

Technician worked systematically and found the broken part. Replaced it in no time.

David L.

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hhuang821

Recently, my tankless water heater stopped working. Green Flow Solution responded quickly after I submitted a request through Yelp. I was impressed by their service team’s responsiveness and prompt follow-up, even over the weekend. Andrey, the technician, arrived the next day and resolved the issue professionally—the system was...

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Tankless water heater failed . I contacted Green Flow and Aundrey was dispatched. He arrived on time diagnose the issue and called the manufacturer eventually they agreed to replace the unit. Within a few days a new unit was installed and hot water was restored. Service was fast...

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