I would like to construct a coaxial heat exchanger using copper pipe and possibly copper tubing. My intent is to use the exchanger to recover heat from my AC compressor to heat / pre-heat domestic hot water.

I would appreciate any ideas or techniques that other members may have on how to accomplish this with common and reedily available plumbing and AC components.

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Originally Posted by iplay1515

I would like to construct a coaxial heat exchanger using copper pipe and possibly copper tubing. My intent is to use the exchanger to recover heat from my AC compressor to heat / pre-heat domestic hot water.

I would appreciate any ideas or techniques that other members may have on how to accomplish this with common and reedily available plumbing and AC components.

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Why go through the hassle of constructing one when you can purchase one already to install, (see image) Check out AC Heat Exchangers at;
Turbotec-Enviro-Pak Home
I've installed many of them in my area with no complaints and the nicest thing about them is that in time they pay for themselves. Regards, Tom