I recently bought a 1500 sq ft home with a Payne 3.5 ton HVAC unit, about 6 yrs old. I am adding a 600 sq ft addition. I need AC to handle 100+ temps in our southern summers. It is a one story 80-yr old farmhouse, with some vaulted but mostly 8-9 ft ceilings. How can I know if I really need a 2nd unit for the new part, or if the AC guy is just trying to make a sale?
2006-07-17 16:23:00 · 5 answers · asked by fireheadkc 1 in Home & Garden ➔ Decorating & Remodeling
The acceptable industry standards are between 500 and 700 sq. ft. per ton.
I live in Central FL, and I usually go 1/2 more than the standard.
At 2100 sq. ft new total, you're getting far more than you need by going up to a total of 5 1/2 tons.
At the very least, if your budget allows, and considering the age, structure, and condition of the dwelling, my recommendation would be upgrade in one unit, to 4 tons.
Rev. Steven
2006-07-17 16:56:40 · answer #1 · answered by DIY Doc 7 · 2⤊ 0⤋
Kurtis is nice, compelled air is "no longer" risky, notwithstanding, in case your ashmatic, or fantastically allergic to puppy dander, dirt, etc. compelled air will compound your respiration subject matters. healthy persons might want to do not have any situation with compelled air. once you've it and are liable to bronchial asthma, or hypersensitive reactions, installation digital air cleanser or a tremendous media filter out (4" in thickness) and also you'll pull eighty% of those shifting debris our of the air. this can help. The moisture situation is there (yet hugely over-rated) and your HVAC sales guy will push them on you for further sales funds, yet transportable instruments artwork only superb and are liable to a lot less complicated upkeep by using you, no longer their technician at $ninety/hr. the only way round compelled air is radiant warmth yet then you honestly nonetheless might want to bypass air on your A/C air interior the summer season. do not panic, filter out the air and variable p.c. blowers on your furnace will shrink the air speed and kick up a lot less crap from the ducts. again, do no longer purchase into the "get your ducts wiped clean arguments" both, i changed into in this agency and ninety% of the time the individuals did not favor it. the different 10% were residing in dirt and in six months you does no longer comprehend they were wiped clean besides. Filtering is the answer. it is the position you placed your money!
2016-10-14 22:04:34 · answer #2 · answered by ? 4 · 0⤊ 0⤋
The best engineering guess withour paying for a manual J calculation would be 600sqft per ton of cooling.
2006-07-21 06:09:59 · answer #3 · answered by Katmando 3 · 0⤊ 0⤋
3.5 ton should be fine. 1.5 ton per 1000 sq ft
2006-07-17 16:28:41 · answer #4 · answered by Anonymous · 0⤊ 0⤋
Pick the brand name you want, go to thier site and they will have a question section or a calculation section to tell you how. They often even have a 800 number you can call and ask questions. some sites have most often asked questions and this one is asked often.
2006-07-17 18:00:33 · answer #5 · answered by dgbrsand1 3 · 0⤊ 0⤋