Best Salt Water System Installation in Phoenix AZ

If I could give no stars, I would. The solar hot water system for the pool has not worked an entire year since we've had it. They claimed it was because we had the light color panels, then replaced them with black. Now the panels are leaking. The earliest appointment is the middle of next month,  they want $75 to come out, $150/hr for labor, plus parts - and they want a credit card NOW or they won't make the appointment?!? I'm not giving you credit card info a month before you get here! Stupid.