#1 Danco Heating, Cooling & Plumbing
Waco · Licensed since 1986
Locally owned Waco heating, cooling and plumbing company that has installed, repaired and maintained residential and commercial systems since 1984.
24/7
Best duct cleaning companies in Waco, TX
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#2 Rabroker Air Conditioning & Plumbing
Hewitt · Licensed since 2003
Central Texas heating, air conditioning and plumbing contractor in business since 1978, with a Waco-area office in Hewitt and a second office in Temple, serving homes and businesses.
24/7
#3 3C Mechanical Technologies
Waco · Licensed since 2013
Family-owned Waco company run by the Curry family that repairs, installs and maintains residential and commercial heating, cooling, refrigeration and plumbing systems.
24/7
#4 Evergreen Heating & Cooling
Waco · Licensed since 2020
Waco residential heating and cooling company started in 2014 by Brian and Kellye Peters, now part of the Waco-based Lochridge Priest Home Services group.
24/7
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Rankings follow our published criteria (see How we rank). License details come from the Texas Department of Licensing and Regulation (TDLR); services, hours and prices from each company's own website. Confirm prices and availability with the company.
About HVAC in Waco
Waco averages daytime highs of about 97°F in July and August, so air conditioning works hard through a long summer, while January lows average about 36°F and still call for heat. Texas HVAC contractors are licensed by the Texas Department of Licensing and Regulation (TDLR) as Class A or Class B air conditioning and refrigeration contractors, with license numbers that begin TACLA or TACLB. Ranked by license record and years licensed, never by payment. Checked 27 October 2026.