All Services Engineering & Architecture Engineer $8/hr · Starting at $25 I want to work with Air conditioning design project execution heat load calculation duct design VRF system design About $8/hr · Ongoing Download Resume I want to work with Air conditioning design project execution heat load calculation duct design VRF system design Skills & Expertise HVAC System Design 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts HVAC System Designers