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The Energy efficiency rating for the LG 3850 BTU Air Conditioner/Heater unit is 9.7.
The cooling efficiency rating of this air conditioning unit is measured by its SEER (Seasonal Energy Efficiency Ratio) value, which indicates how efficiently it can cool a space.
It varies from air conditioning unit to unit. However, the exact energy usage will be on a name plate on the air conditioner. Look for a rating in either amps or watts.
At Viewpoints consumer rating website the reviews are mixed overall the Fujitsu air Conditioning has a good rating for product and a ok rating for performance. When compared to other air conditioning systems it falls in the middle.
When looking for a brand new fresh from the manufacturer rooftop Air Conditioning/Heating unit you should look for reviews from the manufacturer and the people that purchase them.
It depends on what type and rating of air conditioning unit you have. Aircon for small rooms rates from 600 to 1000.
You should clean the AC coils outside at least once a year to ensure your air conditioning unit works efficiently.
If it works properly, never.
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For a double pole air conditioning unit, use a 240-volt wire with a rating that matches the amperage requirement of the unit. Typically, a 10-gauge wire with a 30-amp rating is suitable for most residential air conditioning systems. Be sure to follow local electrical codes and consult with a licensed electrician for installation.
If is a 2 stage air conditioning unit. You might want to replace the furnace.