Honeywell Home T5 Smart Thermostat RTH8800WF2022 vs Honeywell Home X2S Smart Wi-Fi Thermostat RTH2SMC/N (White)
These are side-by-side facts taken from each product guide: published specifications, strengths and caveats as their sources state them. This page is not a test, a ranking or a verdict about which model is better.
Check Honeywell Home T5 Smart Thermostat RTH8800WF2022 on AmazonCheck Honeywell Home X2S Smart Wi-Fi Thermostat RTH2SMC/N (White) on Amazon
Honeywell Home T5 Smart Thermostat RTH8800WF2022
24 VAC systems with a C wire, up to 2 heat/2 cool, on a 2.4 GHz network
A Wi-Fi touchscreen thermostat with schedules, geofencing or manual control. Resideo's guide requires a C wire and lists no adapter in the box, and it excludes millivolt and baseboard systems. Wi-Fi is 2.4 GHz only. Up to 2 cool and 2 heat stages, plus 1 aux/emergency stage. Two-year warranty.
Published specifications
- Guide: C wire (24 VAC) required; no adapter in the listed box contents
- Guide: up to 2 cool/compressor, 2 heat, 1 aux/E stage
- Guide: no baseboard (120-240 V), no millivolt, no S or U terminals
- Maker: Wi-Fi 802.11 b/g/n, 2.4 GHz only
- Maker and listing: 4.06 x 4.06 x 1.06 in; touchscreen; 5-2, 5-1-1, 7-day
- Guide and maker: 2-year limited warranty
Strengths
- Temperature stays adjustable at the unit if Wi-Fi drops
- Guide spells out stages and excluded systems clearly
- Two-year warranty agreed by guide and maker page
Caveats
- C wire required and no adapter listed in the box
- 2.4 GHz Wi-Fi only
- Guide and maker page name different apps
Read the full Honeywell Home T5 Smart Thermostat RTH8800WF2022 guide
Honeywell Home X2S Smart Wi-Fi Thermostat RTH2SMC/N (White)
24 VAC conventional systems up to 2H/2C, or single-stage heat pumps with electric backup
A Wi-Fi thermostat run through the First Alert app, with Matter support. It needs a C wire at 24 VAC. On heat pumps the guide allows one compressor stage and electric backup heat only. Several schedule layouts or none at all, a 32°F minimum heat option, and a 2-year limited warranty.
Published specifications
- Maker: up to 2 heat/2 cool conventional; up to 2 heat/1 cool heat pump with electric backup
- Guide: heat pumps 1 compressor stage only; gas or oil backup heat not supported
- Maker and listing: C wire required (24 VAC); Wi-Fi 2.4 or 5 GHz, 802.11 b/g/n
- Guide: schedules 1-week, 5-2, 5-1-1, 7-day or off; geofencing via First Alert app
- Maker: 3.44 x 5.13 x 1.188 in; Matter; Alexa, Google Assistant, Apple Home
- Guide, maker and listing: 2-year limited warranty
Strengths
- Guide spells out exactly which heat pump set-ups it supports
- Temperature stays adjustable at the unit if Wi-Fi drops
- Two-year limited warranty agreed by guide, maker page and listing
Caveats
- Heat pumps: one compressor stage and electric backup only, no gas or oil
- C wire required; line voltage and baseboard systems not supported
- Geofencing and remote features need the First Alert app and a connection
Read the full Honeywell Home X2S Smart Wi-Fi Thermostat RTH2SMC/N (White) guide
How to choose between them
Choose the Honeywell Home T5 Smart Thermostat RTH8800WF2022 if your situation matches: 24 VAC systems with a C wire, up to 2 heat/2 cool, on a 2.4 GHz network. Its main caveat: C wire required and no adapter listed in the box.
Choose the Honeywell Home X2S Smart Wi-Fi Thermostat RTH2SMC/N (White) if your situation matches: 24 VAC conventional systems up to 2H/2C, or single-stage heat pumps with electric backup. Its main caveat: Heat pumps: one compressor stage and electric backup only, no gas or oil.
Both entries repeat what each guide records. Confirm the model, included parts and availability on the current listing before ordering.
Primary sources
- Honeywell Home T5 Smart Thermostat product page and specifications (SKU RTH8800WF2022/U) Source for Honeywell Home T5 Smart Thermostat RTH8800WF2022
- Resideo T5 Smart Thermostat Quick Install Guide 33-00363EFS-07 Source for Honeywell Home T5 Smart Thermostat RTH8800WF2022
- Honeywell Home X2S Smart Thermostat product page and specifications Source for Honeywell Home X2S Smart Wi-Fi Thermostat RTH2SMC/N (White)
- X2S Smart Thermostat RTH2CWF, RTHC2CWF & RTH2SMC Installation and User Guide 33-00689EFS-06 (listing-supplied PDF) Source for Honeywell Home X2S Smart Wi-Fi Thermostat RTH2SMC/N (White)
Primary sources checked .