They may have a valid complaint because heat pumps do work differently than fuel-fired furnaces. Heat pumps heat with lower temperature air than gas or oil fired furnaces do.
Heat pumps push air that is just a few degrees warmer than room temperature into the house. This low intensity heated air feels cool.
Fuel fired furnaces put out air that is 30 degrees, or more, above room air temperature. The heated air they put out feels warm.
Because of the lower temperature of the air from heat pumps, they have to move more air to get the job done. Gas or oil fired furnaces will get the job done by running 4 to 6 times an hour and rest between each on cycle.
Heat pumps need to run for a long time and push out more air while they are running to keep homes comfortable.
Reroute Those Drafts Don’t Stop Them
Because the larger volume of air from a heat pump is lower than human skin temperature, it feels cool.
When you can feel the air move, you feel cooler. That is called wind chill. The way to stop feeling a cold draft is to redirect the airflow away from people.
Don’t try to stop or reduce the airflow. Stopping or choking the airflow with cause other performance problems.
Send it up a wall or along the ceiling
The airflow should be directed up a wall or along the ceiling. Avoid pushing the air across the floor or toward where people sit.
To get the job done you may need different diffusers or add deflectors on your existing registers to aim the airflow away from people.
Some folks rearrange the furniture to get away from the drafts.
Do what you can so the air flows across the ceiling or up the walls. Avoid sending the air toward places where people sit.
Areas where people just walk through are not a problem. We expect to feel air movement as we walk, but not where we sit.
Remember that heat pumps move air a large percentage of the time. They operate efficiently with very little off time. If your home stays warm on the coldest day of the year and your heat pumps runs almost all the time it is sized and working correctly.
Sit out of the draft while you enjoy your low energy bills.
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