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  Indoor Air Quality :: Thermostats 

Honeywell Model T87

The T87 Round is Honeywell’s most recognizable temperature control. It has kept homes comfortable for over 50 years, and its reliable performance, classic styling, and convenience have made it an industry standard. A model for the visually impaired is an example of Honeywell's commitment to meeting special needs.

The Round Thermostat provides temperature control for 24 to 27 Vac residential heating, cooling or heating-cooling

  • Reliable comfort control. Adjustable heat anticipator provides even control.
  • Easy-to-use. Familiar design and twist-to-set interaction.
  • Simple user interface. Set temperature and thermometer scales on thermostat face.
  • 1-year warranty.


Carrier Std Digital

  • 7-day programming
  • Compact design
  • Auto changeover
  • Copy previous day feature
  • "Hold" function
  • Large push buttons
  • Backlit LCD screen
  • System or battery powered operation
  • 5 year limited parts warranty


Control Level: 4 of 7
Programming: 4 of 7
Ease of Use: 4 of 7

Carrier Infinity Control

  • Intuitive prompts
  • IdealHumidity for exacting comfort
  • Monitor air quality products
  • Control fan speed
  • Control ventilation
  • Largest temperature display in the industry
  • Day-at-a-glance 7-day programming
  • Models available with Remote Access for Internet or phone access
  • Models available with up to 8-zone capability
  • Large, easy-to-push buttons
  • TrueSense Dirty Filter Detection
  • 5-year limited parts warranty
  • System maintenance reminders
  • Online tutorial


Energy StarEnergy Efficiency: 6 of 7
Quiet Level: 5 of 7
Durability: 5 of 7

Honeywell VisionPRO IAQ Thermostat

  • Whole-House Zoning System
  • Compatible with almost every brand of heating and cooling equipment
  • Whole-House humidifier/dehumidifier
  • Touch screen interaction
  • Outdoor temperature sensing
  • Smart change/check reminder lets you know when to replace filters
  • Precise comfort control (+/- 1%)