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Does your HVAC system need servicing if the low side pressure is 90 and the high side is 150 and the outside temperature is 94 and the inside temperature is 90?
Wiki User
∙ 16y ago
Yes. Was the compressor running?
Answer Depends on the refrigerant, but for residential systems they use either R22 or R410A, and those pressures are not right for either system. If the compressor was running, sounds to me like you have bad valves in the compressor and probably need a new compressor (or a new system)
Wiki User
∙ 16y ago
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