Gas Furnace

Carrier® Performance™ - 3 Ton 90,000 BTUH Residential Packaged Gas Heat & Electric Cooling Unit 2-Stage R-454B service and support

Carrier Residential Gas Furnace - 48NG Gas Furnace Repair, maintenance, and replacement planning

Product service snapshot

Carrier® Performance™ - 3 Ton 90,000 BTUH Residential Packaged Gas Heat & Electric Cooling Unit 2-Stage R-454B service details

Carrier® Performance™ - 3 Ton 90,000 BTUH Residential Packaged Gas Heat & Electric Cooling Unit 2-Stage R-454B is a Carrier® gas furnace record from the Carrier Enterprise catalog. Catalog model: 48NG-B360903. Product family: 48NG. 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® Performance™ - 3 Ton 90,000 BTUH Residential Packaged Gas Heat & Electric Cooling Unit 2-Stage R-454B
Equipment type: Gas Furnace
Product group: Residential Gas Furnace - 48NG

Technical snapshot

Carrier® Performance™ - 3 Ton 90,000 BTUH Residential Packaged Gas Heat & Electric Cooling Unit 2-Stage R-454B technical snapshot

Product Specs

Model: 48NG-B360903
Manufacturer Number: 48NG-B360903
Vendor Number: 48NG-B360903
Catalog Brand: Carrier®
Product Family: 48NG
AFUE: 81
AHRI Usage: Packaged
Air Flow Direction: Vertical
BTU Input: 58,500-90,000
BTU Output: 48,000-74,000
Blower Motor HP: 3/4
Blower Motor RPM: 1,000
Blower Motor Speeds: Multiple
Blower Motor Type: ECM (Electronically Commutated Motor)
Blower Wheel Diameter: 11"
Blower Wheel Width: 10"
Brand: Carrier®
CFM: 900-1,200
CFM Heating: 900-1,200
Color: Gray
Compressor Type: Scroll
Condenser Coil Fins Per Inch (FPI): 21
Condenser Coil Metering Device: TXV/TEV - Thermostatic Expansion Valve
Condenser Fan Blade Diameter: 26
Condenser Fan CFM: 3000
Condenser Fan Motor Qty: 1
Condenser Motor HP: 1/5
Condenser Motor RPM: 810
Condenser Motor Speeds: 1
Condenser Motor Type: PSC (Permanent Split Capacitor)
Cooling Capacity: 34,200
Country Of Origin: MEX
Cycle/Hertz: 60 Hz
Drain Connection Size: 3/4"
Drive Type: Direct
EER2: 11.5
Energy Star Rated: YES
Evaporator Coil Fins Per Inch (FPI): 17
Evaporator Coil Metering Device: TXV/TEV - Thermostatic Expansion Valve
Fuel Type: Natural Gas or LP
Gas Connection Size: 1/2"
Gas Connection Type: NPT
Height: 44.75
Ignition Type: Direct Spark (DSI)
Length: 44.125
Locked Rotor Amps (LRA): 82
Maximum Overcurrent Protection (MOCP): 25
OPT Code: 1P48NG-B360903
Outdoor Air Filter Size (OA) In Inches (W X H X D): Contractor Supplied Based on Application
Phase: Single
Prop 65: YES
Refrigerant: R-454B
Return Air Filter Size (RA) In Inches (W X H X D): 24 x 30 x 1
SEER2: 15.2
Sound Level (dBA): 74
Stages Cooling: 2
Stages Heating: 2
Thermal Efficiency: 81%
Tier: Performance™
Tonnage: 3
UPC: See Optical
Voltage: 208-230 VAC
Weight: 450
Width: 48.1875

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® Performance™ - 3 Ton 90,000 BTUH Residential Packaged Gas Heat & Electric Cooling Unit 2-Stage 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® Performance™ - 3 Ton 90,000 BTUH Residential Packaged Gas Heat & Electric Cooling Unit 2-Stage R-454B service questions

Can GreenFlow help with Carrier Carrier® Performance™ - 3 Ton 90,000 BTUH Residential Packaged Gas Heat & Electric Cooling Unit 2-Stage R-454B service requests?

Yes. GreenFlow can help collect the right details for Carrier Carrier® Performance™ - 3 Ton 90,000 BTUH Residential Packaged Gas Heat & Electric Cooling Unit 2-Stage R-454B service requests, including the model, symptoms, equipment age, building type, access notes, photos, and timing.

What symptoms should I mention for Carrier® Performance™ - 3 Ton 90,000 BTUH Residential Packaged Gas Heat & Electric Cooling Unit 2-Stage R-454B?

Helpful symptoms include no heat, ignition trouble, lockout or error codes, short cycling, blower concerns, venting or condensate issues, thermostat behavior, unusual noise, and maintenance history.

Is Carrier® Performance™ - 3 Ton 90,000 BTUH Residential Packaged Gas Heat & Electric Cooling Unit 2-Stage R-454B used for residential or commercial properties?

Furnace requests are usually residential or managed-property heating requests. They may also be part of replacement or furnace-to-heat-pump planning conversations.

What helps schedule Carrier® Performance™ - 3 Ton 90,000 BTUH Residential Packaged Gas Heat & Electric Cooling Unit 2-Stage 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.

Popular cities

Service Areas

Boston, MA

Worcester, MA

Lowell, MA

View All

Our Happy Customers

Judy B.

Andrey was very efficient, professional and on time. The team had fast response to questions. Price to do heatpump maintenance was reasonable.

Megan S.

Great service - my air conditioning failed after hours on a Sunday. I could schedule the appointment online for Monday morning and the technician quickly diagnosed the problem and fixed it. Super helpful- will use them again!

Gilberto C.

Great service. It was awesome that they were able to solve my heating issue in few hours. Love the transparency on the pricing. Andrey was great!

Jack B.

Andrey always does a great job.

Tom T.

Fantastic job by Green Flow. Andrey, Andrei and Yuri were punctual, very neat, capable, and meticulous in replacing two complete HVAC systems and ductwork repairs in our home. They will now be our go to service for all our HVAC needs going forward.

Natalee B.

The technician came and did a wonderful job, we are very happy. He was professional and knowledgeable. Everything was resolved.