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2ton for 950sqft, it is the proper size.
i cannot verify wall insulation.
Good advice to check if the cold air blows from the vents.
Could it be that the refrigerant is leaking in your HVAC equipment?
Such a small sq footage with 2 tons of cooling in moderate for Fl outside temperatures right now - it should get freezing in the house even with some deficiencies in insulation, etc.
Look for YT videos explaining how to find a refrigerant leak in the HVAC equipment - maybe you have one?
What temperature can you cool a house down to?
In hot weather, especially warmer states like Florida, Texas, Arizona...
Let's say an older (1960's - 1970's) cheaper working class house?
I bought an investment property, in a cheaper neighborhood, built in 1979. Replaced the AC system 2 months ago, inside and outside units, all pipes. Also got additional 10" blow in insulation in the attic. The tenant is trying to get it down to 72F, but its only getting down to 78F, now in February although it was a little warm around 82F outside and sunny.
What temperature can you cool a house down to?
In hot weather, especially warmer states like Florida, Texas, Arizona...
Let's say an older (1960's - 1970's) cheaper working class house?
I bought an investment property, in a cheaper neighborhood, built in 1979. Replaced the AC system 2 months ago, inside and outside units, all pipes. Also got additional 10" blow in insulation in the attic. The tenant is trying to get it down to 72F, but its only getting down to 78F, now in February although it was a little warm around 82F outside and sunny.
1930s house here. If I wanted, could probably go down to the 60s. But I keep it at 75 during the summer in south texas.
The OP has never said that the tenant is uncomfortable or displeased with the temperature in the house; the entire premise of the posting here is based on his monitoring of the thermostat setting and ambient temperature he sees when he checks the thermostat app on his phone. He, and we, have no knowledge of the temperature desires of the people who make it their home and what they do to attain it, they might like the windows open and fans blowing. The easy solution is to quit monitoring what others do in the privacy of their own home.
I say it's windows. Pouring in heat. Cold air is cold air. It does not go up, it goes down. Insulating top makes no difference. But, if you have underperforming AC, as that's what it sound slike, heat sources, like windows, become major player. Get outside window shades, you'll see difference. We had 120F last summer here for about a week, I had bed sheets hung on our windows. That surely changed heat distribution. If your windows face east>west, you get heat in the am and more of it in the pm.
When you buy a new house, the house and air conditioner is warrantied to cool down to something like 30 degrees below the outside temperature. Sure, house insulation and windows play a part, but something is wrong with your AC. Probably low Freon. Check the air temp at the air duct.
And yes, I know that this is not a new house but it is important to realize that ambient air temp is important in determining how cool the inside of the house can get. New or old.
Air leaks in gaps and outlets would probably be less of a heating effect than 2-3 fully opened windows, I would presume.
Has anyone been able to cool a house down to 72F in the summer with opened windows? Is it even possible on realistic working class suburban houses? (Im not talking about a fortress with $2M AC)
If my AC is bad, then probably they installed it wrong, so the refrigerant leaked in its 2mo lifetime. It is not old, its not that it leaked out in 10 years or something. In my old house I sold few years ago I had this issue, they refilled, fixed a leak then it was able to cool my house, but it was a 10yo ac. This one is 2mo old.
Who is paying the electric bill at that house? If you're paying it, then the problem is likely the fault of the tenants who don't give a d@mn. If the tenants are paying the bill, then they're either extremely ignorant or else there is a real problem of some kind. Unless or until you have sole access to the house and know for sure how the AC is being used, then all you can do is guess. If you're paying the electric bill, then it's time to kick the tenants out because they are squandering YOUR money.
Air leaks in gaps and outlets would probably be less of a heating effect than 2-3 fully opened windows, I would presume. Has anyone been able to cool a house down to 72F in the summer with opened windows? Is it even possible on realistic working class suburban houses? (Im not talking about a fortress with $2M AC)
If my AC is bad, then probably they installed it wrong, so the refrigerant leaked in its 2mo lifetime. It is not old, its not that it leaked out in 10 years or something. In my old house I sold few years ago I had this issue, they refilled, fixed a leak then it was able to cool my house, but it was a 10yo ac. This one is 2mo old.
I wouldn't think this would be possible. Why would anyone even try? I open my windows for a few hours in the early morning to let fresh air in, but not with the AC running... once it gets to be about 74 in the house, I shut everything (ac is normally set to 76 during the day). And I don't do that in the summer when it's sweltering and humid even at 7 am.
It's common sense to close windows if the AC is on. You might want to put that in your list of AirBnB rules. You'd think it wouldn't need to be said, but people are stupid.
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