Free Shipping on orders over $50 | FREE 365-DAY RETURNS
Filters Fast Logo Header

Filters Fast carries a wide range of IAQ testing products, including indoor air quality monitors, temperature and data loggers, and indoor air quality test kits.
In addition to these IAQ monitoring products, we also carry a full line of replacement thermostats and locking thermostat guard boxes.

 

IAQ Testing Product List:


Supco Universal Metal Thermostat Guard Box Cover
Special Order.
Ships in 5 to 6 days.

Retail: $25.99

Our Price: $22.95

Save 12%!

Supco Universal Clear Plastic Thermostat Guard Box
Special Order.
Ships in 5 to 6 days.

Retail: $14.99

Our Price: $12.95

Save 14%!

Pro1 IAQ T701 1H 1C Non-Programmable Thermostat
In Stock!
Ships in 5 to 6 business days.

Retail: $50.99

Our Price: $41.50

Save 19%!

Pro1 IAQ T621-2 Non-Programmable Thermostat
In Stock!
Ships in 1 business day

Retail: $83.99

Our Price: $59.95

Save 29%!

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

Retail: $34.99

Our Price: $26.99

Save 23%!

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

Retail: $19.99

Our Price: $15.99

Save 20%!

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

Retail: $34.99

Our Price: $26.99

Save 23%!

Pro1 IAQ T701i 1-Stage Wifi Thermostat
FREE SHIPPING!

within the continental U.S.

In Stock!
Ships in 4 to 5 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 4 to 5 business days.

Retail: $99.99

Our Price: $79.95

Save 20%!

Pro1 IAQ T721 2-Heat, 1-Cool Programmable Thermostat
In Stock!
Ships in 2 to 3 business days.

Retail: $90.99

Our Price: $80.99

Save 11%!

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

Save 13%!

Pro1 IAQ 3 T755 Heat 2 Cool Duel Fuel Thermostat
In Stock!
Ships in 3 to 4 business days.

Retail: $99.99

Our Price: $87.99

Save 12%!

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

within the continental U.S.

In Stock!
Ships in 3 to 4 business days.

Retail: $125.99

Our Price: $110.95

Save 12%!

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

Save 20%!

Pro1 IAQ T805 1-H, 1-C Programmable Thermostat
In Stock!
Ships in 3 to 4 business days.

Retail: $100.99

Our Price: $90.99

Save 10%!

Pro1 IAQ T855S 3-H, 2-C Thermostat Replacement for Pro1 IAQ T855i Thermostat
FREE SHIPPING!

within the continental U.S.

In Stock!
Ships in 1 to 2 business days.

Retail: $130.99

Our Price: $110.99

Save 15%!

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

within the continental U.S.

In Stock!
Ships in 1 to 2 business days.

Retail: $130.99

Our Price: $110.99

Save 15%!

Pro1 IAQ HPRZ251W Wireless Indoor Remote Temperature Sensor
FREE SHIPPING!

within the continental U.S.

In Stock!
Ships in 2 to 3 business days.

Retail: $151.99

Our Price: $119.95

Save 21%!

Pro1 IAQ HPZDA250W Wireless Zoning Sensor
In Stock!
Ships in 3 to 4 business days.

Retail: $59.99

Our Price: $42.80

Save 29%!

Supco Classic Clear Plastic Thermostat Guard Box
Special Order.
Ships in 5 to 6 days.

Retail: $14.99

Our Price: $12.95

Save 14%!

Supco Universal Metal Thermostat Guard Cover
Special Order.
Ships in 5 to 6 days.

Retail: $19.99

Our Price: $15.95

Save 20%!