About Custom Mechanical Custom Mechanical is a leader in the HVAC field in the Brainerd Lakes area. Custom Mechanical Specializes in Heating, Air Conditioning, and Ventilation installation, service, and repair. Custom Mechanical partners with national companies such as American Standard, Honeywell, Mitsubishi, BreathClean, and more to bring to their customers the highest quality products available on the market. Why Custom Mechanical? Damond, the owner of Custom Mechanical USA, has 29 years of experience in the Heating Ventilation and Air Conditioning field. HVAC is in Damond’s blood, he took over Custom Mechanical from his father and has been doing heating and air conditioning installation and service ever since. There is no job too big or too small for Custom Mechanical, whether it is a large industrial building or a cabin on the lake Damond brings the same technical experience and high quality workmanship to each job.