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August 31, 2026 3 min read
Technical specification sheet for the HAI Omnistat2 family of energy-efficient, programmable communicating thermostats — RC-1000 (Single Stage) and RC-2000 (Multistage with Humidity Control) models, features, accessories, and part numbers.
Technical specification sheet for the HAI Omnistat2 family of energy-efficient, programmable communicating thermostats — including the RC-1000 (Single Stage Conventional & Heat Pump) and RC-2000 (Multistage & Heat Pump with Humidity Control) models.
The Omnistat2 combines HAI's 20+ years in energy management into an easy-to-use device that "learns" your home's heating and cooling patterns to maximize both HVAC efficiency and comfort. According to the Alliance to Save Energy, heating and cooling can account for up to half of your energy bill — a programmable thermostat that automatically adjusts temperature during unoccupied hours can save up to 10% a year.
The average home spends about $1,900 annually on energy bills, with heating/cooling accounting for as much as half (ENERGY STAR®). Omnistat2 models can communicate with your utility company for load-shedding applications and can display:
* These features require participation from your utility company and may require additional equipment or upgrades.
ENERGY STAR® notes: if just one household in ten switched to ENERGY STAR programmable thermostats (such as any Omnistat model), it would prevent more than 17 billion pounds of greenhouse gases.
Includes everything in RC-1000, plus:
| Model | Color | Part # |
|---|---|---|
| RC-1000 | Black | RC-1000BL |
| Silver | RC-1000SL | |
| White | RC-1000WH | |
| RC-2000 | Black | RC-2000BL |
| Silver | RC-2000SL | |
| White | RC-2000WH |
| Description | Part # |
|---|---|
| Omnistat2 Ethernet Module | 65A09-1 |
| Omnistat2 Remote Sensor Module | 65A12-1 |
| Omnistat2 Zigbee® Module | 65A10-1 |
| Omnistat2 Zigbee® Transceiver | 65A13-1 |
| Surface Mount Remote Indoor Temp Sensor | 23A00-1 |
| Flush Mount Remote Indoor Temp Sensor | 23A00-2 |
| Thermostat Isolation Module | 29A00-1 |
| Thermostat Power Supply Module | 30A00-1 |
| Water Temperature Sensor | 14A00-8 |
| Extended Range Indoor/Outdoor Temperature Sensor | 31A00-7 |
| Extended Range Indoor/Outdoor Temperature & Humidity Sensor | 31A00-8 |
| PESM | 1101A |
RC-1000 and RC-2000: 5 1/2" W x 3 5/8" H x 1 1/8" D
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