All 3 listings, single rolls first, then multipacks
| Item | Size | Price | Per roll | ||
|---|---|---|---|---|---|
| Syston 18/2 Solid Thermostat Cable CMR/CL3R Brown 500 Feet Spool 1 roll | 1 roll | $60.69 | $60.69 | Amazon → | |
| Best 18/2 Thermostat Wire HVAC Bare Copper Cable CMR/Riser-Rated Power Circuit 500ft 1 roll | 1 roll | $82.10 | $82.10 | Amazon → | |
| Voltic Stone 18/2 Thermostat Doorbell HVAC Wire, True Gauge 18 AWG 2 Conductor Solid Copper Control Cable, ETL Listed C… 1 roll | 1 roll | $110 | $110 | Amazon → |
Amazon as of 2026-11-05 17:52:35 UTC: Amazon's own price, else its lowest new offer, before shipping and tax (via Keepa); product prices and availability are accurate as of the date/time indicated and are subject to change.
Size comes from the seller's unit count or the listing title; check the listing before buying. As an Amazon Associate and eBay Partner, Sharpest earns from qualifying purchases.
More wire & materials
1/2 inch PEX tubing $0.16/ft10/2 NM-B Romex wire $0.86/ft12/2 NM-B Romex wire $0.63/ft1/4 inch drip irrigation tubing $0.080/ft12 AWG speaker wire $0.22/ft10 AWG THHN wire $0.32/ft16 AWG speaker wire $0.11/ft4/0 AWG welding & battery cable $6.94/ft14 AWG speaker wire $0.15/ft550 paracord $0.049/ft12 AWG THHN wire $0.25/ft16/2 low-voltage landscape wire $0.092/ft