![]() ![]() However, they’re also the most complex and expensive to replace. Finally, variable-speed compressors can operate at any capacity from 0% to 100%, allowing for the most precise temperature control and greatest efficiency. When the air temperature is close to the desired temperature, the low setting will run the unit at 60% to 70% capacity, making the unit quieter and more efficient. Two-stage compressors, on the other hand, have a high and low setting. They’re the least expensive models, but they’re also the least efficient. Single-stage compressors run on an all-or-nothing basis, running at full capacity until the air temperature matches the temperature on the thermostat. When you replace the compressor, you’ll need to use a model of the same type. Residential air conditioners have either single-stage, two-stage, or variable-speed compressors. You’ll also need to pay for any necessary parts. For compressors that can be repaired, most technicians charge between $100 and $150 per hour for labor. Most of the time, if they’re broken, they must be completely replaced. Unfortunately, bad AC compressors can rarely be repaired on-site. Repairing or replacing your AC compressor may include these elements: AC Compressor Prices by SizeĪside from the size of the unit, the variation in AC compressor replacement costs can be explained by a few other factors. Unsurprisingly, the larger the unit, the more expensive it is to replace the air conditioner compressor. Thus, a 2,200-square-foot home would need a unit that consumes 44,000 BTUs. AC units consume about 12,000 BTUs per ton, and a home typically requires a system that cools 20 BTUs per square foot of interior space. The average 2,200-square-foot home usually needs a 3.5- or 4-ton AC unit.Īir conditioning units can also be measured in BTU (British Thermal Units), a unit of heat energy per hour. Obviously, the larger your home is, the more air there is to cool and the larger an AC system you’ll need. This measurement doesn’t refer to weight but rather to how much air a compressor can cool. One way to measure the size of an AC unit and thus an air conditioning compressor is in refrigeration tons. How Home Size Affects AC Compressor Costs Your home size and HVAC type will affect your AC compressor’s cost.
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