It seems you are confusing SEER (seasonal) with EER energy efficiency. SEERs are usually around 14 for the small units (1.5-2.0 tons) but the EERs are about 11. The 1.5 ton split units weight about 160 lbs. Roof top RV units weight 86-90 lbs and have an EER of 8.8 to 11. The 4 ton split units weigh 430 lbs and require 30 amps at 240 volts and have a SEER of 18 and an EER of 11.
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Jim & Roy Davis
2016 Hurricane 31S
1961 Rampside in tow
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