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Dallas HVAC contractor research

A bigger air conditioner is not automatically a better Dallas air conditioner. The useful evidence is a current Texas license, required insurance, a load-based sizing method and a plan for the ducts, controls and humidity—not just the outdoor unit.

Before the first estimate

Four scope checks

  1. 1.Verify the contractor in the TDLR license system before signing.
  2. 2.Ask for the load calculation and the assumptions used, not only the proposed tonnage.
  3. 3.Include duct condition, airflow, controls and warranty terms in the written recommendation.
  4. 4.Compare model numbers and efficiency ratings exactly across bids.

Field library

2 focused guides

5 min read

Verify an HVAC license

Verify the license number, status and business relationship—not a logo that merely says ‘licensed.’

Read the field guide
6 min read

HVAC sizing for Dallas heat

An oversized system can cool the thermostat quickly while doing a worse job on comfort and moisture.

Read the field guide