Rheem EcoNet Smart Thermostat

Name: Rheem EcoNet Smart Thermostat
Brand: Rheem Manufacturing Company
Price: 335 USD

by Rheem Manufacturing Company

Last updated Mar 29, 2026 · 1 revision

Smart Monitoring System for protection, comfort, and energy savings

6.0 Good See breakdown →

Highlights

Smart Tool 33 Features 12 Integrations

Capabilities

Custom Mobile App

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Media

Rheem EcoNet Smart Thermostat product header image showing the 4.3-inch LCD touchscreen device

About This Product

Rheem EcoNet is a connected thermostat and smart home platform that controls Rheem, Ruud, Friedrich, Richmond, and related brand HVAC systems and water heaters. The EcoNet app offers scheduling, energy monitoring, utility program enrollment, and real-time alerts. Contractors can be linked as the service contact for installed systems.

Capabilities

How this product is delivered and what's included out of the box.

Mobile app: Available
Free trial: No
Free tier: No
Public API: No
Deployment: On Premise

Tool Specifications

Warranty: 5 years

Connectivity

Wifi

Mobile App

Thermostat Capabilities

Communication: Proprietary communicating (EcoNet bus) + 24V conventional fallback
Communicating Compatibility: Rheem/Ruud EcoNet-enabled HVAC (R98MV/R97MV/R962V/R802V furnaces; RA18AZ/RA16AZ/RA15AZ AC; RP18AZ/RP16AZ heat pumps; RHMVZ/RH3VZ air handlers) and EcoNet water heaters (ProTerra HPWH, Smart Electric/EC2, Maximus, Triton, commercial tankless CM)
C-Wire: C-wire / dedicated 24V power required; 6-terminal connector (R, C, E1, E2, S1, S2). Tool-free push-button wiring
Voice Assistants: Alexa
Zoning: native zoning up to 6 zones (EcoNet Zone Control System, external panel)
IAQ Sensors: humidity (averaging) / remote room sensors (Aprilaire 8051 compatible)
Geofencing: unknown
BMS / BACnet: none (no BACnet/BMS integration)
Dealer Portal: TotalView (EcoNet contractor dashboard) + Rheem Contractor App + MyRheem portal
Pro Features: TotalView dashboard for contractors to view/control all homeowners' EcoNet devices, operational status and alerts, grant distributor access; Rheem Contractor App Bluetooth diagnostics ("Fix It" troubleshooting); Active Monitoring with maintenance reminders, critical alarms, change-filter alerts shareable with contractor; warranty registration via Contractor App

Sources

https://www.budgetheating.com/Rheem-EcoNet-Wifi-4-3-LCD-RETST800SYS-p/30060.htm https://parts.rheem.com/product/RPD-RETST800SYS/rheem-econet-800-series-smart-thermostat https://www.ferguson.com/product/rheem-econet-800-series-programmable-thermostat-retst800sys/9976063.html https://www.rheem.com/econet-smart-thermostat/https://www.mytotalview.com/https://www.rheem.com/water-heating/articles/rheem-contractor-app-gives-plumbers-quick-access-to-diagnostics/

FSH Score Breakdown

Ease of Use

7.0

Features

7.9

Support

5.0

Value

5.5

Integrations

4.5

AI Capabilities

1.5

Features

33 features confirmed across 9categories· Showing confirmed capabilities only

Equipment & Asset Management19features

AlertsMobile alertsAmazon Alexa Voice ControlVoice control via Amazon AlexaAway ModeVacation SchedulingDemand ResponseDemand response / utility program enrollmentEvent Setback ManagementAuto changeoverHVAC Zoning ManagementZone controlLive View and Remote ControlRemote temperature control via smartphoneMulti-Mode HVAC Operation5 operating modes: Heat, Cool, Auto, Emergency Heat, Fan only

Show 11 more

Programmable FanProgrammable fanRemote Device and Sensor MonitoringRemote Room Sensor SupportRemote MonitoringRemote temperature controlCommercial Lockout with Programmable Temporary Override Time and Temp AdjustmentDual Fuel Heat Pump ControlMulti-Schedule ManagementWater Treatment ManagementHot Water ManagementLocal 5 Day Weather Forecast DisplayLocal weather with 5-day forecastAir Filter Status MonitoringAir filter monitoringMotion Sensor WakeMotion Sensor for screen wakeDemand ControlAway mode

Hardware Features4features

Smart Home IntegrationVacation modeTouchscreen DisplayTouchscreen interfaceDifferential Temperature MeasurementTemperature SensorAuto Shutoff5 Operating Modes (Heat, Cool, Auto, Emergency Heat, Fan only)