Green Flow Solution logo
Schedule Service

Heat pump

Back to Carrier products

Carrier Heat pump 33NM3 Domestic Hot Water Air-To-Water Heat Pump

Carrier Residential HVAC Heat pump Repair, maintenance, and replacement planning
Carrier 33NM3 Domestic Hot Water Air-To-Water Heat Pump product image

Technical Specifications

Product Specs

  • Performance: up to 4.9 COP and 16.8 EER
  • Sound level: as low as 52 dB
  • Compressor: variable-speed
  • Refrigerant: R-32
  • Sizes: three published sizes
  • Equipment type: domestic hot water air-to-water heat pump

Useful troubleshooting details

  • Confirm the outdoor heat pump model and serial number, matched indoor equipment, auxiliary heat setup, thermostat or communicating control, refrigerant, voltage, and capacity.
  • Share no-heat, no-cooling, outdoor icing, defrost behavior, short cycling, weak airflow, control alerts, or unusual noise.
  • For upgrade planning, note whether the project involves ducted, ductless, hybrid, cold-climate, or fossil-fuel-to-heat-pump options.

Service planning

How GreenFlow handles 33NM3 Domestic Hot Water Air-To-Water Heat Pump 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.

Brands We Service

Popular cities

Service Areas

Our Happy Customers

Murali S.

HVAC technician was punctual, followed up well, completed quick repairs, ensured the issue was resolved, and provided helpful recommendations.

Jack B.

Andrey always does a great job.

Michael C.

always available, easy to get a hold of, as a property manager I get lots no heat emergency, usually get to it same day or next day

Jahangir R.

They were very organized to communicate and be on time to come to look at my air condition to fix it.

View All