Carrier Catalog Product

Carrier Hot Water Coil service and support

Carrier Residential Carrier Catalog Product Carrier Catalog Product Repair, maintenance, and replacement planning

Product service snapshot

Carrier Hot Water Coil service details

Hot Water Coil is a Carrier® carrier catalog product record from the Carrier Enterprise catalog. Catalog model: 28MHV420HFA020ALNC. Green Flow Solution uses this page for residential model identification, service planning, maintenance conversations, repair diagnostics, and replacement matching.

Brand: Carrier
Model or series: Hot Water Coil
Equipment type: Carrier Catalog Product
Product group: Residential Carrier Catalog Product

Technical snapshot

Hot Water Coil technical snapshot

Product Specs

Model: 28MHV420HFA020ALNC
Manufacturer Number: 28MHV420HFA020ALNC
Vendor Number: 28MHV420HFA020ALNC
Catalog Brand: Carrier®
AHRI Usage: Indoor Coil
Brand: Carrier®
Casing Material: Galvanized Steel
Circuiting: Half
Coil Fin Material: Aluminum
Coil Position Or Orientation: Vertical
Coil Type: Hydronic
Country Of Origin: MEX
Evaporator Coil Fins Per Inch (FPI): 14
Fin Material: Aluminum
GTIN: 00781897019114
Hand: Left
Nominal Length Between Tube Sheets (cm): 51
Prop 65: YES
Rows: 4
Tube Size: 1/2" OD Copper Tube
Tubes In Face: 20
UPC: 781897019114

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 Hot Water Coil 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.

Hot Water Coil service questions

Can GreenFlow help with Carrier Hot Water Coil service requests?

Yes. GreenFlow can help collect the right details for Carrier Hot Water Coil service requests, including the model, symptoms, equipment age, building type, access notes, photos, and timing.

What symptoms should I mention for Hot Water Coil?

Helpful symptoms include no heat, no cooling, weak airflow, error codes, leaks, short cycling, unusual noise, thermostat behavior, and whether the issue is urgent or planned maintenance.

Is Hot Water Coil used for residential or commercial properties?

Carrier Catalog Product requests may come from homes, condos, multi-unit properties, offices, managed buildings, and light-commercial spaces depending on the equipment type and application.

What helps schedule Hot Water Coil 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

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Our Happy Customers

Nancy H.

Roman was great!

Randy J.

Thanks to Andrey for an amazingly quick response to my request for a service call. He diagnosed and fixed my issue within 24 hours of my asking for help. Excellent service. Thanks.

George Z.

Exceptional service from start to finish! The team was professional, efficient, and restored our heating system quickly—highly recommend for any HVAC needs.

Thabiti B.

Quick, highly competent and professional. Green Flow did great work.

Dev W.

I had a breakdown of my cooling system and Hanna at Green Flow responded to my request right away. They scheduled me same day. The team at Green Flow was easy to communicate with over phone and text. They kept me updated on delays on arrival of the...

Tarikh C.

Max quickly identified the source of the problem with our condensing unit and fixed it. He was very knowledgeable and helpful at explaining what he was observing. He also stuck around to check for other potential issues and gave us advice for future maintenance. He's also very professional...