Heald Mechanical is a trusted HVAC company in Sacramento. Five Generations of Heald Family provide high-quality heating and air services in California Since 1910. Our company has fixed all types of issues such heating repair, water heater repair, HVAC repair Sacramento, air conditioning installation Sacramento, and furnace repair. Heald Mechanical is a perfect solution for all your HVAC needs. For more information on any of our products or services, call us or fill out this form. FIND US ON MAP. GET IN touch with us. Address. Heald Mechanical P.O. Box 601505 Sacramento, CA 95860.