Commercial HVAC and Rooftop AC Questions

Rooftop and packaged units commonly run about 15 to 20 years when maintained. Heavy Texas cooling loads shorten that without preventive maintenance.

About 15 to 20 years is common with regular maintenance. Coil, compressor and economizer condition decide whether repair or replacement makes more sense for a specific unit.

Cost depends on tonnage, curb adapter or crane needs, electrical work and controls, plus efficiency rating and refrigerant type. Affiliated Air offers FREE estimates on commercial rooftop replacements.

Rooftop package units, split systems, VRF, and chillers with air handlers. Affiliated Air specializes in rooftop package units.

It can still run, but at that age weigh repair frequency, efficiency loss and refrigerant availability. The $5,000 rule is a quick check.

Multiply the unit's age by the repair quote. If the result exceeds $5,000, replacement usually makes more sense.

Wait about 3 minutes before restarting a compressor so system pressures can equalize. Short cycling damages compressors.

It varies with the trip and diagnostic fee and with after hours or emergency timing. Call 214.837.0145 and we will explain the cost before work begins.

The EPA AIM Act refrigerant transition moves new equipment from R 410A toward lower GWP refrigerants such as R 454B and R 32. Check with us before buying or replacing equipment.

Yes. Emergency HVAC service is available 24/7 across the Dallas Fort Worth Metroplex. Office hours are Monday to Friday, 8:00 AM–4:30 PM, and weekends are emergency service only.

Yes. Affiliated Air is licensed and insured, Texas Mechanical Contractor TACL A11042E.

The entire Dallas Fort Worth Metroplex, including Carrollton, Dallas, Fort Worth, Arlington, Plano, Irving, Garland, Richardson, Mesquite, Grand Prairie, Frisco, McKinney and Denton.