HVAC Help Center — Troubleshooting Guides & FAQs

Not sure what’s wrong with your system? Browse common AC and heating problems, troubleshooting tips, and what to expect from a service visit in Dallas–Fort Worth.

Why is my AC running but not cooling?

Common causes include a dirty air filter, low refrigerant, a frozen evaporator coil, or a failing capacitor. Turn the system off and schedule a diagnostic with Absolute Comfort Mechanical.

How often should I service my HVAC system?

Twice a year — heating in the fall and cooling in the spring. Our Comfort Club covers preventive maintenance, priority scheduling, and discounted repairs.

Do you offer 24/7 emergency HVAC repair?

Yes. We provide 24/7 emergency AC and heating repair across the Dallas–Fort Worth metroplex.

Absolute Comfort Mechanical HVAC — licensed, insured, family-owned, serving the Dallas–Fort Worth metroplex. Call 214-900-2533 for 24/7 AC repair, heating, cooling, and commercial refrigeration service.