What is the most water efficient sprinkler head I can buy?

Question:I'm replacing a sprinkler head and am just wondering what is the most water efficient sprinkler head to buy. Any help would be great thanks!

Answers:
Most heads have nozzles that can be changed to match the amount of water that you need in that area. The better ones are (best first) Hunter I-20,Weathermatic T3, Hunter PGP, and Rainbird 5000. Do not but Toro, K-rain, Nelson, or Orbit, they are garbage. I am a sprinkler service tech and have dealt with every head on the market over my 11 years at this.

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The most efficient watering system is a drip line or soaker hose. These systems get the most water to the plant's roots and lose the least to evaporation.

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