Gaitz HVAC/R is a Houston-based, family-owned, women-operated heating, ventilation, air conditioning, and refrigeration company founded in 1978 by Charles A. Gaitz, a retired Houston firefighter. Today, it’s led by Charles, Denise, and daughter Tonya—an unlimited-licensed mechanical contractor with Daikin VRV certification—offering residential and commercial HVACR services across varied equipment (¼ – 20+ tons), including AC, heating, chillers, walk-in coolers/freezers, ice machines, duct cleaning, ventilation, inspections, insulation, air quality, and commercial refrigeration. Known for prompt, honest, reasonably-priced work and same-day responses, they serve homes, restaurants, medical facilities, labs, machine shops, and industrial sites