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FiltersFast.com offers a complete line of Pro 1 IAQ Thermostats and accessories to keep your home comfortable and energy efficient.


Pro 1 IAQ Thermostats full product list:


Pro1 IAQ T119 Thermostat Wall Plate - White
In Stock!
Ships in 4 to 5 business days.

Retail: $13.99

Our Price: $10.99

Save 21%!

Pro1 IAQ T601-2 600 Series1 Heat/Cool Non-Programmable Thermostat
In Stock!
Ships in 1 to 2 business days.

Retail: $43.99

Our Price: $37.25

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Pro1 IAQ T805 1-H, 1-C Programmable Thermostat
FREE SHIPPING!

within the continental U.S.

In Stock!
Ships in 3 to 4 business days.

Retail: $100.99

Our Price: $90.99

Save 10%!

Pro1 IAQ T855 Universal 2-H, 2-C Thermostat
FREE SHIPPING!

within the continental U.S.

In Stock!
Ships in 4 to 5 business days.

Retail: $120.99

Our Price: $100.99

Save 17%!

Pro1 IAQ T855i Wifi 4-H, 2-C Thermostat
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within the continental U.S.

In Stock!
Ships in 2 to 3 business days.

Retail: $194.99

Our Price: $166.90

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Pro1 IAQ T955 Universal 3-H, 2-C Thermostat
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within the continental U.S.

In Stock!
Ships in 3 to 4 business days.

Retail: $200.99

Our Price: $149.99

Save 25%!

Pro1 IAQ T701 1H 1C Non-Programmable Thermostat
In Stock!
Ships in 3 to 4 business days.

Retail: $50.99

Our Price: $41.50

Save 19%!

Pro1 IAQ T701i 1-Stage Wifi Thermostat
FREE SHIPPING!

within the continental U.S.

In Stock!
Ships in 5 to 6 business days.

Retail: $140.99

Our Price: $120.95

Save 14%!

Pro1 IAQ T705 1-Heat, 1-Cool Thermostat
In Stock!
Ships in 3 to 4 business days.

Retail: $90.99

Our Price: $70.99

Save 22%!

Pro1 IAQ T715 2-Heat, 2-Cool Programmable Thermostat
In Stock!
Ships in 2 to 3 business days.

Retail: $88.99

Our Price: $67.50

Save 24%!

Pro1 IAQ T725 2 Heat 1 Cool Heat Pump Thermostat
In Stock!
Ships in 3 to 4 business days.

Retail: $79.99

Our Price: $69.99

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Pro1 IAQ HPR250S Outdoor Remote Sensor
In Stock!
Ships in 3 to 4 business days.

Retail: $34.99

Our Price: $26.99

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Pro1 IAQ HPR251S Wired Indoor Temperature Sensor
In Stock!
Ships in 3 to 4 business days.

Retail: $34.99

Our Price: $26.99

Save 23%!

Pro1 IAQ T150 Plastic Thermostat Guard
In Stock!
Ships in 3 to 4 business days.

Retail: $35.99

Our Price: $30.99

Save 14%!

Pro1 IAQ T150K Thermostat Guard Replacement Key
In Stock!
Ships in 3 to 4 business days.

Retail: $19.99

Our Price: $15.99

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Pro1 IAQ T501M Single Stage Thermostat
In Stock!
Ships in 3 to 4 business days.

Retail: $39.99

Our Price: $28.99

Save 28%!

Pro1 IAQ T501ML2 Electric Heat Thermostat - 2-Wire
In Stock!
Ships in 3 to 4 business days.

Retail: $34.99

Our Price: $26.99

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Pro1 IAQ T501ML4 Electric Heat Thermostat - 4-Wire
In Stock!
Ships in 3 to 4 business days.

Retail: $35.99

Our Price: $24.99

Save 31%!

Pro1 IAQ T605-2 600 Series 5-1-1 Programmable Thermostat
In Stock!
Ships in 3 to 4 business days.

Retail: $52.99

Our Price: $45.99

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Pro1 IAQ T621-2 Non-Programmable Thermostat
In Stock!
Ships in 5 to 6 business days.

Retail: $83.99

Our Price: $47.50

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Pro1 IAQ T721 2-Heat, 1-Cool Programmable Thermostat
FREE SHIPPING!

within the continental U.S.

In Stock!
Ships in 2 to 3 business days.

Retail: $90.99

Our Price: $80.99

Save 11%!

Pro1 IAQ 3 T755 Heat 2 Cool Duel Fuel Thermostat
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within the continental U.S.

In Stock!
Ships in 5 to 6 business days.

Retail: $90.99

Our Price: $77.99

Save 14%!

Pro1 IAQ T755S 3 Heat 2-Cool Remote Sensor Thermostat
FREE SHIPPING!

within the continental U.S.

In Stock!
Ships in 5 to 6 business days.

Retail: $125.99

Our Price: $110.95

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Pro1 IAQ T771 Heat 1 Cool Gas/Oil Thermostat
In Stock!
Ships in 3 to 4 business days.

Retail: $63.99

Our Price: $50.99

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Pro1 IAQ T855S 3-H, 2-C Thermostat
FREE SHIPPING!

within the continental U.S.

In Stock!
Ships in 4 to 5 business days.

Retail: $130.99

Our Price: $110.99

Save 15%!

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