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Southwire HVAC Products

Southwire Products

Building the Future

About Southwire

Southwire manufactures electrical wire, cable, and wiring accessories for HVAC installations and building electrical systems. HVACProSales.com is an authorized distributor of Southwire products, serving HVAC professionals, contractors, and facility managers nationwide.

Product Specialties

  • Electrical wire
  • THHN wire
  • Romex cable
  • Conduit
  • Wiring accessories

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Professional pricing, fast shipping, and expert support for HVAC contractors and technicians.

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Frequently Asked Questions

Q: What Southwire products are used in HVAC installations?

A: HVAC installations use Southwire thermostat wire (18/5, 18/8 for multi-stage systems), Southwire THHN wire for power supply connections, and Southwire SIMpull wire for easier pulling through conduit.

Q: What gauge wire is used for HVAC thermostat connections?

A: Most residential HVAC thermostats use 18 AWG thermostat wire with 5 conductors (18/5) for standard systems. Multi-stage systems, heat pumps with auxiliary heat, and systems with humidifiers or dehumidifiers may require 18/7 or 18/8 wire for additional control circuits.

Q: Is Southwire an authorized brand at HVACProSales.com?

A: Yes. HVACProSales.com is an authorized distributor of Southwire HVAC parts and components, ensuring genuine OEM quality for every repair and installation.

Q: What Southwire parts does HVACProSales.com carry?

A: HVACProSales.com stocks a comprehensive range of Southwire HVAC parts including controls, motors, valves, sensors, capacitors, contactors, and refrigeration components.

Q: Are Southwire parts OEM or aftermarket?

A: HVACProSales.com carries genuine OEM Southwire parts. OEM parts ensure proper fit, function, and warranty compliance compared to aftermarket alternatives.