2 Answers

  • Adjust the dampers in the duct work. Partially close dampers in the ducts going to the first floor and fully open the ones to the second. …
  • Seal off the leaks in your duct work. …
  • This can be controversial, but you could cover your low returns in the summer and high returns in the winter.

How do I get more air flow from my vents upstairs?

How to Increase Airflow to Second Floor?

  1. Keep Air Conditioner Running in Fan Mode. …
  2. Install a Ceiling Fan. …
  3. Increase the Size of Return Vents. …
  4. Increase Number of Vents. …
  5. Clear the Vents. …
  6. Close Vents on Lower Floors. …
  7. Go for Ductless Air Conditioning. …
  8. Get a Zoned HVAC System.




How do I balance upstairs and downstairs thermostat?

Here’s what you do: set your upstairs thermostat to your desired temperature goals, and then set your downstairs unit to be two degrees warmer. For most homes, this naturally encourages a temperature balance that’s comfortable and right at your desired temperature goals.

Can you have 2 thermostats on 1 zone?

Yes, in principle, you can use two thermostats to control one HVAC zone. If correctly installed, set, and used you can actually save on your electricity bill. You can also connect more than one thermostat to a single HVAC unit.

How do I redirect airflow from vent?

Using a vent deflector is also helpful, since it can redirect vents more accurately. If there’s a room or part of a room in your home where you don’t want airflow, you can close that vent entirely by placing an adjustable vent deflector over it to limit or block the air. This redirects airflow to other rooms.

Why is there barely any air coming out of vents?





A fan clogged by dirt, a stuck wheel, broken motor, or a loose fan belt are all common problems that reduce the amount of airflow you feel coming from your vents.

Why are my upstairs vents not blowing air?

Vents Blockage

If you feel no air is blowing from vents in your house, vent blockage is most likely to be the issue. You might be blocking your air vents unknowingly; a piece of furniture might be in front and blocking the airflow, or you might have closed some vents on a chilly day and forgotten to open them again.

How do you regulate heat in a two story house with one thermostat?

Set the first floor’s thermostat to your desired temperature, and then decrease the temperature setting on your thermostats by two degrees as you go up. Warm air on the first floor will rise and make the upper floors more comfortable.

Should upstairs thermostat be set higher than downstairs?



The downstairs thermostat should be set to your ideal temperature, and the upstairs thermostat should be about 2 degrees cooler. The heat should be balanced pretty well with this method, and your downstairs will get a little bit extra warmth to keep you comfortable.

What do you do when upstairs is hotter than downstairs?

Insulate and ventilate

Try adding extra insulation to your roof or attic. An attic fan can help circulate air and limit the amount of hot air lingering on your second floor. You may also want to try air sealing your attic to stop heat from getting in.

Are vent deflectors good?



Air vent deflectors (diverters) are a top-notch solution to hot and cold spots or air that is not running efficiently. They are excellent for providing circulation, especially in areas where the vent may be obstructed or in contact with extreme temperatures.

Do air vent extenders work?

Do Air Vent Deflectors Work? They absolutely do! Air vent diverters, or deflectors, work by redirecting the air coming from the HVAC vents for optimal heating and cooling. This is an HVAC accessory, typically made of plastic that fits over the air vents or air vent diffusers in your home.

How do you use vent deflectors?

By installing vent deflectors, you can direct the airflow in ways that bring more comfort and save energy. For example, when vents are beneath a bed, use a deflector to direct the air outward, upward or to the side to prevent the cold or heat from dispersing beneath the bed before it reaches the room.

Should you use air deflectors?

Do Air Vent Deflectors Work? They absolutely do! Air vent diverters, or deflectors, work by redirecting the air coming from the HVAC vents for optimal heating and cooling. This is an HVAC accessory, typically made of plastic that fits over the air vents or air vent diffusers in your home.

What is a vent deflector?



A vent deflector is just a fancy word for a device that fits over air vents. The purpose of the deflector is to change the direction of the air flow.

How do you use a heat and air deflector?

Heat / Air Deflectors

  1. Magnets hold it into place.
  2. Turn down for winter heating.
  3. Turn up for summer cooling.
  4. Redirects air flow.
  5. Redirects and improves air flow.
  6. Turn downwards during the winter for heating.
  7. Turn upwards during the summer for air conditioning.

How do you make an air vent deflector?

DIY Deflector

  1. Step 1: Gather Your Materials. You need: tape,scissor,paper and that vent thingy (see pic) …
  2. Step 2: Cuting. cut your piece of paper to the same size as the vent thingy. …
  3. Step 3: More Cuting. cut the tape to the length of the long side of the vent. …
  4. Step 4: Taping. …
  5. Step 5: The Finshed Product. …
  6. 10 Comments.


Why are air vents under Windows?

As we began to reduce our energy use, we discovered that in a heating climate, it was much more efficient to warm the window up with hot air, meeting the cold air coming down the window and pushing comfortable air into the room, and then placing our return air ducts in the centre of the house.

What do vent covers do?

What are Vent Covers? Vent covers cover the vent openings of the HVAC system that circulate the air in the room that comes through the ducts. They are an integral part of the HVAC system, though they might not seem as vital.

Is it OK to cover air vents?

You could mess with the air flow.

Just because you cover the vent, it doesn’t mean your HVAC system knows that. It will keep pushing air to those vents, and if they’re closed, you could cause a buildup of air pressure and insufficient airflow which could damage your system.

Do vent covers matter?

Vent covers, however, are an essential component in your ventilation system, and your choice of vent covers, and how you use them, can prove to be the major difference in how comfortable your home is and how much you spend each much on your heating and cooling bill.