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Claim This BusinessMcMillon Mechanical has kept Central Texas comfortable since 1934, making it one of the oldest continuously operating HVAC and plumbing contractors in the region. Based at 1025 Walnut Street in Abilene, the company holds proper licensing and insurance while serving homeowners and businesses across Abilene and surrounding communities including Clyde, Tuscola, Merkel, and Hawley. With a 4.6-star rating drawn from 13 verified customer reviews, the company has built a reputation for honest, reliable service over nine decades of family-owned operation.
What distinguishes McMillon Mechanical from newer competitors is their breadth of integrated expertise spanning both trades under one roof. The company handles full-spectrum residential and commercial plumbing, from leak repairs and drain cleaning to water heater replacement and sewer line camera inspection. On the HVAC side, they service all major brands of furnaces, air conditioners, and offer indoor air quality solutions including programmable thermostats. Their commercial construction capabilities add another dimension, serving business clients with new installations and tenant improvements.
Customer reviews paint a vivid picture of the team's dedication. When Darla B.'s AC failed during a 106-degree Texas scorcher, technician Robert arrived within 15 minutes and worked urgently while keeping her informed throughout. Zack earned praise for repairing a decades-old furnace and thermostat without running up the bill. Reviewers consistently mention the staff's friendly, communicative approach, Linda at the front desk receives special mention for her helpfulness. One caveat: a 2024 review from Guy Bross describes a cancelled gas leak job that left him dissatisfied, suggesting that complex specialty work may not always proceed as hoped.
12 of 13 reviewers awarded 5 stars, praising fair pricing, same-day emergency response, and courteous technicians named Zack and Robert. The lone 1-star review cited a cancelled gas leak job, while positive feedback emphasizes the company's 91-year track record and willingness to solve unusual problems like sourcing odd-sized filters.
| Sunday | Closed |
| Monday | 8 AM–5 PM |
| Tuesday | 8 AM–5 PM |
| Wednesday | 8 AM–5 PM |
| ThursdayToday | 8 AM–5 PM |
| Friday | 8 AM–5 PM |
| Saturday | Closed |
Fast air conditioning service, repairs, and seasonal maintenance for all brands to beat Texas heat.
Furnace repair, tune-ups, and energy-efficient system installations for winter warmth.
Complete plumbing repairs including leak detection, pipe work, drain cleaning, and fixture installation.
Water heater replacement, repairs, and routine service for traditional and tankless systems.
Sewer line repair and camera inspection to diagnose stubborn drainage problems.
Indoor air quality solutions and programmable thermostat installation for healthier, more efficient homes.
Commercial construction, plumbing, and HVAC installation for businesses and property managers.