Get some more estimates, 6 k is a little high, should be able to get it done for anywhere between $4,500.00 - $6,000.00 , this is thinking straight cool with electric heat, if there quoting a heat pump, add about $900.00
4 - ton may be about right for her application, depending on where her condo is, bottom floor vs top floor, middle vs end apartment. we size equipment as little as 400 square feet per ton - old home, poor insulation, leaky windows , etc. or as much as 650 square feet per ton, newer home , etc. im sure you got the idea. manual j answers all these sizing questions. We typically put minimum 16.0 seer in, with the f.p.l. rebate , its the best bang for the buck. f.p.l. just reduced there rebates big time, but even after the hugh reduction, 16.0 seer is still the best buy. Is there a crane needed for this job? that adds a couple hundred. There are systems available that are well over $8,000.00, like the new lennox xc 25, awesome equipment - inverter compressor, etc, will run at 100"s of different speeds,in 1/10 increments, all the way down to 35% capacity. For the people that want and can afford the best of the best.
4 - ton may be about right for her application, depending on where her condo is, bottom floor vs top floor, middle vs end apartment. we size equipment as little as 400 square feet per ton - old home, poor insulation, leaky windows , etc. or as much as 650 square feet per ton, newer home , etc. im sure you got the idea. manual j answers all these sizing questions. We typically put minimum 16.0 seer in, with the f.p.l. rebate , its the best bang for the buck. f.p.l. just reduced there rebates big time, but even after the hugh reduction, 16.0 seer is still the best buy. Is there a crane needed for this job? that adds a couple hundred. There are systems available that are well over $8,000.00, like the new lennox xc 25, awesome equipment - inverter compressor, etc, will run at 100"s of different speeds,in 1/10 increments, all the way down to 35% capacity. For the people that want and can afford the best of the best.