For 1 the furnace fan running all day with the a c on might solve some milder heat trap problems for your second floor.
Second floor hvac system for home.
Homeowners expanding their existing first floor duct work to the second floor need more space than walls typically provide so they must cut a hole in the.
Hot air rises so the second floor is naturally going to be warmer.
However when the thermostat senses that the temperature on the main floor is the temperature your hvac system has been set for it will turn off the ac.
Pros cons of two central air conditioning units for 2 story houses.
Do you need two a c units for a two story home.
If you strategically place a window ac unit in your two story home you can unlock some powerful and cheap cooling potential.
The obvious downside the cost of 2 units and maintaining them on a yearly basis.
You could turn the ac down even more.
2 story house air conditioning tips consider using a window air conditioner.
Of course this means that your second floor has not yet sufficiently cooled.
I like the redundancy factor.
If you have the option of adding a second system i would do this rather than adding ductwork from the 1st floor.
Running a duct from the first floor to the second involves creating a hole in the main duct and attaching new duct work that terminates in a floor level heat register on the second floor.
2 separate systems 1 for each floor.
A single a c unit in a two story home often produces no win situations.
Turn fan on usually the fan setting is set to auto this turns on the fan whenever the heating or cooling system is on but for the rest of the time it is off.
I ve done a bit of reading on a few sites and kind of stuck on which way to approach hvac.
Add a small return vent duct to each room on the second floor.
It can be challenging to maintain a comfortable temperature in an older two story home with only one central air conditioning.
You might also want to try adding a ceiling fan in.
Divide the house into two zones one for each floor.
Make the second floor return vent duct bigger.
Crank the thermostat down to offset the natural warming in upstairs living.
If you want to redirect the air to a different part of the home ask your hvac technician about installing dampers in your ductwork to create hvac zones see above.