That is a series number...no capacity. The next set of numbers give you the capacity. Generally, Lennox unit numbers equate to their capacity divided by 1000. IE: XXX90 has about 90,000 BTUH capacity...7.5 tons.
The Lennox model 12ACB42-5P has a SEER (Seasonal Energy Efficiency Ratio) rating of 14. This rating indicates its energy efficiency in cooling performance, where a higher SEER rating signifies better energy savings. For optimal performance and efficiency, it's important to ensure regular maintenance of the unit.
That is a 9 seer condenser
NORDYNE makes a 23 SEER residential unit label by these companies: MaytagFrigidaireTappanWestinghouseKelvinatorPhilcoGibsonMaytag M1200/M1200 Plus Series 23 SEER Air ConditionersThe 23 SEER Series iQ Drive Air Conditioner/Air Handler System offers a stainless steel cabinet, most efficient central air conditioning system available.
10 SEER
It is a 5ton 10 SEER
first find out when it was manufactured the seer rating should be on the label of the unit and if it is not on there it is more than likely a 10 seer unit..
I believe it's 3.5 tons - based on the manual, which states that this is the upper limit in the series, and the 461 is the largest unit in the series.
your unit should be a 13 seer 3.5ton
The Lennox model GCS16-653-125-5Y is a 5-ton air conditioning unit. This model is designed for residential and commercial applications, providing efficient cooling performance. It features a high SEER rating, contributing to energy savings and comfort.
Energy consumption depends on the capacity and efficiency rating or SEER of the unit. For instance a five ton unit uses more energy than a 3 ton unit with the same SEER rating and a 16 SEER unit uses less energy than a 10 SEER unit of the same capacity. See www.energystar.com for more info
To determine the SEER rating of your AC unit, look for a yellow Energy Guide label on the unit. The SEER rating is typically listed on this label. You can also check the manufacturer's documentation or contact the manufacturer directly for this information.
Model # for Lennox HVAC unit