Two other comnpanies could not figure out why our A/C would cut out during the day and then come back on at night. Within 5 minutes of being here the Air System Services technician had located the problem, a faulty light switch used to cut power to the heat pump in the attic. Also located several other problems that were contributors. Nice, knowledgable and very fair. Don't bother goinf anywhere else! They were also able to come the very next day after I called. I can't say enough.
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