Single Stage Thermostats


Single stage thermostats are designed for single stage heating and cooling systems such as those using gas forced air , oil systems, hot water, electric furnaces, Milivolt, central air conditioners & more.  See our selection of single stage thermostats below. 

Best Thermostat

Thermostat Guide

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Honeywell TH8110U1003 VisionPRO Universal Programmable Thermostat
4.6 Star Rating: Good
7 reviews
  • Single-stage programmable
  • Automatic daylight savings update
  • Service/replacement reminders
Price:
$168.95
Honeywell TH8110U1003 VisionPRO Universal Programmable Thermostat
Honeywell T8775C1005 Digital Round Non-Programmable Thermostat
4.0 Star Rating: Good
1 review
  • Single-stage non-programmable
  • Permanent memory retention
  • On-demand backlighting
Price:
$60.45
Honeywell T8775C1005 Digital Round Non-Programmable Thermostat
Honeywell TH3110D1008 PRO Non-Programmable Thermostat
5.0 Star Rating: Outstanding
3 reviews
  • Single-stage non-programmable
  • Easy slide switches
  • Precise temperature controls
Price:
$47.95
Honeywell TH3110D1008 PRO Non-Programmable Thermostat
Honeywell TH4110D1007 PRO 5-2 Programmable Thermostat
5.0 Star Rating: Outstanding
2 reviews
  • Single-stage programmable
  • Backlit digital display
  • 5-2 day programming
Price:
$52.95
Honeywell TH4110D1007 PRO 5-2 Programmable Thermostat
Honeywell TH5110D-1022 FocusPRO 5000 Digital Non-Programmable Single-stage Thermostat
  • Single-stage non-programmable
  • Auto/on fan switch
  • Easy change battery door
Price:
$55.59
Honeywell TH5110D-1022 FocusPRO 5000 Digital Non-Programmable Single-stage Thermostat
Robertshaw RS-9405 Thermostat
4.5 Star Rating: Good
2 reviews
  • Temperature freeze protection
  • Fast and easy installation
  • Fully adjustable differential
Price:
$44.27
Robertshaw RS-9405 Thermostat
RK120EAG Dayton Thermostat
  • Single-stage
  • Mercury free
  • Electromechanical operation
Price:
$31.95
RK120EAG Dayton Thermostat
White Rodgers 1E78-151 Thermostat
  • Electronic temperature accuracy
  • Easy-to-read display
  • Multi-day programming
Price:
$39.42
White Rodgers 1E78-151 Thermostat
White Rodgers  1F78-144 Thermostat
4.8 Star Rating: Good
4 reviews
  • Adjustable temperature calibration
  • Large thermostat display
  • Sleek low-profile design
Price:
$41.19
White Rodgers  1F78-144 Thermostat
Honeywell T87K1007 The Round Mercury Free Thermostat
4.0 Star Rating: Good
1 review
  • Single-stage non-programmable
  • Precise temperature accuracy
  • Classic round design
Price:
$43.48
Honeywell T87K1007 The Round Mercury Free Thermostat
Honeywell T87N1000 The Round Non-Programmable Thermostat
  • Single-stage programmable
  • Electronic switch
  • Enlarged scale for readability
Price:
$54.37
Honeywell T87N1000 The Round Non-Programmable Thermostat
Honeywell T8034N1007 Thermostat
  • Single-stage non-programmable
  • 2 degree temperature accuracy
  • Manual changeover
Price:
$35.99
Honeywell T8034N1007 Thermostat


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