The Heat-N-Breeze combines the Hound Heater with an incredibly long life whisper quite fan, bringing fresh air into your dog house in hot weather. The Heat-N-Breeze looks just like the popular Hound Heater, and even mounts to the same mounting plate.itdraws outside air into the dog house at a rate of 24 cu. ft. per minute at a quiet noise level of less than 45 decibels, by a 30,000 hour silent fan producing a soothing sound for your dog.itefreshes the air within 1 to 2 times per minute. The built in Thermotat allows you to set the fan to turn on and off at your preset temperature of choice, saving you power when the fan does not need to run. You simply setitnd forget it!The unit itself isMade of 16 ga. powder coated steel, makingitndestructible.its this easy. Flip a switch, turn the Thermotat clockwise, and the Heat-N-Breeze is a Hound Heater, the world?s best selling pet house heater! Flip another switch adjust the Thermotat anditecomes the world?s best pet house ventilator, the Hound Breezer. Easy to install (instructions included), easy to use anditill last for years!