by Mark Hansberger on November 14, 2013November 14, 2013 The Revised NATE Exam: More Proof That Your Tech Is the Best When you know that the technician installing or servicing your cooling and heating equipment has passed the revised NATE test, you know more than a thing or two about his or her training and expertise. […]Read More Filed Under: NATE Certification Tagged With: Arizona– hvac contractor– hvac professional– installing heating equipment– NATE Certification– Yuma
