Cold Air Return Vent Fan

We have had a new hvac company out 4 times but they haven t fixed it.

Cold air return vent fan. Air vent 1320 cfm weatherwood galvanized steel electric power roof vent. A powerful fan draws cooler early morning and evening air through open doors and windows and forces it up through the attic and out the roof vents. Well i should say it s only a potential problem because a. Of clearance above the fan.

I noticed today that only 1 of the thermostats showed cool on at the time this is occurring. This sends hot air up and out cooling your house and your attic. 2 of the returns blows cold air out of the return vents but not out of the supply registers. The problem with bedrooms occurs in houses where the hvac design did not include return vents in each bedroom.

If the supply ducts are in the floor then the return air should be located up high. One other caution is to have the cold air return opening half as large as the sum of all the hot air outlets in the basement. If the supply ducts are high or in the ceiling then the return air ducts or grills should be low on a wall. This pulls the air across your body.

The furnace or air handler ahu in the drawing below pulls air through the return ducts conditions that air and then sends it through the supply ducts back into the house. By putting the cold air return on the floor it will vacuum up the cold air on the floor and draw down the warm air from the ceiling. A quiet fan system designed to be mounted onto wall or floor registers to boost airflow. They do precisely what the name implies.

By increasing warm and cool air coming from weak registers you can increase room comfort and reduce energy costs. Features a lcd display with smart thermostat control and customizable fan speeds. Return vents also provide air circulation. The return air vent openings need to be on the opposite side of the room so the conditioned air is pulled across the room.

For pricing and availability. These fans are commonly mounted in an upstairs stairwell or hallway ceiling where there s at least 3 ft. Return cold air from registers to the furnace so that it will run properly. Air vent covers block air coming from registers forcing air to redirect to other areas.

Air vent high efficiencypower attic fan 1470 cfm weatherwood galvanized steel electric power roof vent. For pricing and availability. A vent cover also increases energy efficiency and some feature a magnetic design for easy installation.