I have built 2 new houses in the last 10 years and put heat pumps with propane backup systems in both. One system was Carrier, second system is York. I like the systems fine (when working) and both are very efficient. These are both big houses with high ceilings but very very well insulated and top quality windows. Both heat pumps were 16 to 18 seer ratings.
Now the down side. Very expensive to install and just too darned complicated. The repairmen can not figure out what to do. Needed to call in the factory rep in both systems to get them to run right.
Inorder to get these super high efficiencies they squeeze and tweek every little part of the heat or cool cycle with lots of computer programing. If you think a car is complicated to work on, you should see the manuals on these HVAC systems.
Would I do it again? Maybe. When it works it is great. When it doesn't...uugh.
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Today's Featured Article - What Oil Should I Use? - by Francis Robinson. I keep seein this question pop up over and over again in discussion groups all over the web. As with many things there are often several right answers and a few wrong ones. Some purist I'm sure will disagree to no end with what I will tell you but most of us out here in the real world don't really care do we ? Some of them only bring their noses down out of the air long enough to look down them anyway. If you are like me you are only doing this old tractor stuff because you enjoy it. You
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