Heating and Air Conditioning Discounts and Promotions Service or Repair$25 Off Not valid with any other offers or discounts. Can not be applied to service call fee. Call Ambient Edge for Complete Details. Expires on: 06/30/2021 Click to Open in Print View Frequently Asked Questions Is There a Point When De-rooting a Plumbing Drain Line in Arizona and Nevada No Longer Works? What Are the Different Parts of an AC Unit and What Do They Do? What Happens During HVAC Maintenance? What Is the Best Ductless Range Hood? What Are Some Common Summer HVAC Problems?