Heating, Ventilation and Air Conditioning Hamel & McAlister has a strong commitment to customer satisfaction as well as maintaining our reputation as technical experts. Employing the highest trained personnel in Project Management, Estimating and Field Personnel protects our spotless reputation in the industry Hamel & McAlister prides itself in being involved with some of the most sophisticated projects. Our ability to provide accurate budgeting from concept to completion sets us above the rest. For example, the Brigham and Women Operation Center incorporates the design / build assist method of construction allowing us to provide clients with a choice of how their project is engineered, installed and maintained. “We are dedicated to helping our clients spend their HVAC dollars wisely.”