About Us Absolute Zero has been serving the Valley since 1991 specializing in Installation, Service and Repair. We are Certified Trane Comfort Specialists with awards including: the Trane Distinguished Award for the State of Arizona, APS and Southwest Gas preferred contractor and an A+ rating from the Better Business Bureau . We own Specialized Sheet Metal, a sheet metal fabrication company and use state of the art Plasma tables to insure each installation is accurate and tailor fitted to each customer's home. Residential Services - Installation and Service for: Solar Assisted A/C - Lennox High Efficiency Split A/C - Trane Package SystemsCommercial Services - Installation and Service for: Voyager Packaged Rooftops, 12-25 Ton XL19i: Highest Efficienct Air Conditioner Available Today XL14i: Heat Pump Designed, Tested and Built to Last Precedent Heat Pump Packages XL 1400: Heating and Cooling in a Single CabinetAsk us About the Energy Programs and Rebates Available!