My 3 year old home has a 15 SEER Carrier. The air handlers they were installing then were programmed for a single speed. Multi-speed compressors and multi-speed air handlers have been around for a long time. I had one in a previous home, with multiple zones. Unfortunately, The Villages did not have the HVAC contractors install these higher end systems. This is too bad because of the better humidity control and potentially lower operating costs. However, there is something to be said for a simpler system.
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Originally Posted by suesiegel
Based on your information Farrel is 25% cheaper-that is quite a difference. I would ask the others WHY. Are they bidding on the same thing? Perhaps one is only replacing the compressor-the outside unit that you see and the others are going to replace the air handler, thermostat etc
We have a 3 year old Carrier, supplied by the builder with out newly built house. Ours is 13 SEER, the efficiency rating and I BELIEVE that was the minimum the government people would allow at that time. I looked at Fenney and they are installing 15 SEER units it my math is correct that is 13% more efficient.
I DO NOT CLAIM TO BE AN EXPERT BUT a major issue here is humidity. The multi-speed fans is the latest sales gadget. There are compressors with two speed fans and there are others with continuously variable speed fans. Is it worth the difference? Beats me. I could expect a constant noise you would stop hearing a changing noise you would notice. The reason for the multi speed fan is more efficient removal of the humidity.
RE: Payback time
That is salesman's BS. Try to get someone to put that in writing.
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