Question: Are Cold Air Returns Necessary In A Basement?

How can I heat my basement cheaply?

Options for adding more heat to your basement include:Adding a space heater.

Standalone space heaters are extremely affordable and efficient at providing heat to your basement.

Adding registers to bring warm air from your home’s heating system/ductwork into the basement.

Installing a separate heating system..

Can you have too much cold air return?

It isn’t possible to have too many returns….. However, the blower will move only so much air. The ductwork will move only so much air. If you double the number of current openings, the total air movement at each one will be cut in half- yet the total amount of air moved remains the same in an ideal, perfect example.

Why are cold air returns near the ceiling?

If you are in the far north, or in the Southern US, the answer is simple. In an air conditioning climate the return duct goes near the ceiling to draw off the hot air and cool it down. In a heating climate, the return duct goes near the floor to draw off the cold air and heat it up.

Are cold air returns necessary?

DEAR TIM: Ideally you want to have cold air return registers in every room. These should be located at the top of the wall on an interior wall. The supply registers should always be on an exterior wall preferably under a window or near a door. You don’t need two sets of cold air return vents.

Should cold air returns be open or closed in the winter?

In the winter you want the cold air to be drawn through the return registers leaving the hot air behind. By opening the lower registers and closing the top ones you keep hot air in and draw the cold air out. Since cold air is heavy it will automatically flow down to the lower register.

How do I increase ventilation in my basement?

Floor fans and a dehumidifier are additional options that may help keep a basement adequately ventilated. Another option is to install exhaust fans that connect to vents located throughout the basement. These fans can be permanently installed in windows or might require cutting through a basement wall to install.

What happens if there is not enough return air?

If there is not enough return air available, your HVAC system will not heat or cool properly. … If not enough air is brought back, your HVAC system will not be able to keep up with temperature demands. In some cases, two returns may be necessary to provide enough return air.

Should basement vents be open or closed in winter?

However, in the winter, they are much better off with the vents open than with them closed. If you have closed vents in your house during the winter, open them up, especially if you have multiple stories in your home.

Does cold air rise from basement?

In short, you should indeed heat your basement in cool and cold climate areas. … Some of the coldest air found in your home tends to be in the basement. When this cold air rises, it is drawn across the floor of the main level, causing cold feet and other comfort problems.

What happens if you block cold air return?

Without that steady stream of incoming air, your unit won’t be able to work as effectively. Blocking your cold air returns, whether intentionally or by accident, can be disastrous in more ways than one. Here’s what could happen if one or more of your returns are blocked: It can cause the evaporator coil to freeze over.

Why is my finished basement so cold?

Basements tend to be damper than other places in your house. This is often caused by water seeping through the concrete foundation, rising from a dirt floor or simply because of poor ventilation. This higher level of moisture in the air will end up making you feel much colder than the ambient air temperature.

How can I warm up my basement?

6 Keys to Warm Up a Cold BasementAddress any water issues. … Install TWO sump pumps. … Choose inorganic materials. … Capitalize on radiant heat. … Use decorative concrete to your advantage. … Put up radiant panels. … Use our WarmlyYours Radiant Floor Heating Quote Builder to see how much a floor heating system would cost for your basement.

Is it bad to block a return vent?

Blocking air return vents causes your system to work harder, as there is less air flow to move the air back to the furnace. This continued strain on the HVAC system can lead to a decrease in performance and more HVAC repairs down the road.

Is it OK to close off vents in unused rooms?

Closing vents in unused rooms saves energy from entering the room, but it also pushes the excess air to other places in your home. … The added pressure from closing a vent can cause air leaks in your system, causing long-term and unnecessary energy waste.

Should air returns be high or low?

Without high registers, your home’s low-level registers will draw cooler air back to the system, and your rooms will be left with the warm air at the ceiling. If you have a two-story home, having high-level returns installed on the second floor will increase comfort and energy savings dramatically.

Should you close downstairs vents in summer?

If you have more vents than you need then perhaps you can shut some. In general, it is usually OK to close vents in a basement. It is on the main floor that you probably do not want to close any vents. Your furnace fan is moving cool air in the summer months.