Green Flow Solution logo
Schedule Service

Heat Pump

Back to Carrier products

Carrier® Infinity® - 3 Ton 18 SEER Residential Variable Speed Heat Pump Condensing Unit R-410A service and support

Schedule Service Check Availability
Carrier Residential Heat Pump - 25VNA8 Heat Pump Repair, maintenance, and replacement planning
Carrier® Infinity® - 3 Ton 18 SEER Residential Variable Speed Heat Pump Condensing Unit R-410A product image

Product service snapshot

Carrier® Infinity® - 3 Ton 18 SEER Residential Variable Speed Heat Pump Condensing Unit R-410A service details

Carrier® Infinity® - 3 Ton 18 SEER Residential Variable Speed Heat Pump Condensing Unit R-410A is a Carrier® heat pump record from the Carrier Enterprise catalog. Catalog model: 25VNA836A003. Product family: 25VNA8. 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® - 3 Ton 18 SEER Residential Variable Speed Heat Pump Condensing Unit R-410A
  • Equipment type: Heat Pump
  • Product group: Residential Heat Pump - 25VNA8

Technical snapshot

Carrier® Infinity® - 3 Ton 18 SEER Residential Variable Speed Heat Pump Condensing Unit R-410A technical snapshot

Product Specs

  • Model: 25VNA836A003
  • Manufacturer Number: 25VNA836A003
  • Vendor Number: 25VNA836A003
  • Catalog Brand: Carrier®
  • Product Family: 25VNA8
  • AHRI Usage: Outdoor
  • Approvals: UL Listed; UL Recognized
  • Brand: Carrier®
  • CFM: 2,500
  • COP: 3.26-3.62
  • Color: Gray
  • Compressor Type: Rotary
  • Condenser Coil Fins Per Inch (FPI): 20
  • Condenser Fan Blade Diameter: 18
  • Condenser Fan CFM: 2500
  • Condenser Fan Discharge: Vertical
  • Condenser Fan Motor Qty: 1
  • Condenser Motor HP: 1/3
  • Condenser Motor RPM: 300
  • Condenser Motor Speeds: Variable
  • Condenser Motor Type: PSC (Permanent Split Capacitor)
  • Cooling Capacity: 32,400-34,200
  • Cooling Rated Capacity Btu/h: 36000
  • Country Of Origin: USA
  • Cubic Measurement: 11.8953
  • Cycle/Hertz: 60 Hz
  • Dimensional Weight: 194
  • EER: 8.5-10.5
  • Energy Star Rated: NO
  • Full Load Amps: 1.32
  • HSPF: 8.2-10.5
  • Heating Capacity: 34,200
  • Height: 38.4375
  • Inverter: YES
  • Length: 23.125
  • Liquid Line Fitting Type: Sweat or Braze
  • Liquid Line Size (OD): 3/8"
  • Locked Rotor Amps (LRA): 24
  • Maximum Overcurrent Protection (MOCP): 40
  • Maximum Piping Length: 100'
  • Metering Device: TXV/TEV - Thermostatic Expansion Valve
  • OPT Code: 1P25VNA836A003
  • Phase: Single
  • Prop 65: YES
  • Rated Load Amps (RLA): 18.3
  • Refrigerant: R-410A
  • SEER: 18
  • Sound Level (dBA): 71
  • Stages Cooling: Variable
  • Stages Heating: Variable
  • Suction Line Fitting Type: Sweat or Braze
  • Suction Line Size (OD): 7/8"
  • Tier: Infinity™
  • Tonnage: 3
  • UOM: EA
  • UPC: See Optical
  • Voltage: 208-230 VAC
  • Weight: 164
  • Width: 23.125

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® - 3 Ton 18 SEER Residential Variable Speed Heat Pump Condensing Unit R-410A requests

1

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.

2

Describe the service issue

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

3

Review access and history

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

4

Plan the next step

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

Carrier® Infinity® - 3 Ton 18 SEER Residential Variable Speed Heat Pump Condensing Unit R-410A service questions

Can GreenFlow help with Carrier Carrier® Infinity® - 3 Ton 18 SEER Residential Variable Speed Heat Pump Condensing Unit R-410A service requests?

Yes. GreenFlow can help collect the right details for Carrier Carrier® Infinity® - 3 Ton 18 SEER Residential Variable Speed Heat Pump Condensing Unit R-410A service requests, including the model, symptoms, equipment age, building type, access notes, photos, and timing.

What symptoms should I mention for Carrier® Infinity® - 3 Ton 18 SEER Residential Variable Speed Heat Pump Condensing Unit R-410A?

Helpful symptoms include no heat, no cooling, weak airflow, defrost or outdoor icing concerns, auxiliary heat behavior, thermostat issues, short cycling, unusual noise, and whether the request is urgent or planned maintenance.

Is Carrier® Infinity® - 3 Ton 18 SEER Residential Variable Speed Heat Pump Condensing Unit R-410A used for residential or commercial properties?

Heat pump requests may come from homes, condos, multifamily properties, managed buildings, and light-commercial spaces depending on the system type and building layout.

What helps schedule Carrier® Infinity® - 3 Ton 18 SEER Residential Variable Speed Heat Pump Condensing Unit R-410A 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.

Brands We Service

Popular cities

Service Areas

View All

Our Happy Customers

Lesley S.

We were very happy with our experience with Green Flow Solution. After our hot water heater was leaking and needed to be replaced, they were able to install a new one the same day. They were professional and thorough. Thank you!

Daniel M.

Responsive company, timely installation professionally done. Hannah is great!

Jerry W.

Very professional, quick, and smart. Wonderful to work with. Highly recommended!!

Terry S.

Excellent service from best tech!

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.

Yakov S.

I had an excellent experience with Green Flow, they were available to replace my dead central A/C unit on a short notice, and the price was thousands of dollars less than what I got quoted by two other companies. I would definitely use them again.

View All