Is this your business?
Claim your listing to verify your info and earn a verified badge.
Claim This BusinessLonestar Mechanical Services operates from Round Rock, Texas, holding a 4.9-star average across 408 customer reviews. The contractor responds to heating and cooling emergencies throughout the greater Round Rock area, a market where both summer heat and occasional winter freezes drive system failures. Homeowners in neighboring communities routinely call on this outfit when their furnaces falter during cold snaps or their air conditioners quit on triple-digit summer days.
The company's responsiveness stands out in review after review. Eric S. drove to a customer's home during an ice storm when roads were slick, repairing the furnace so the family could stay warm. When that same system developed an unrelated problem days later, Lonestar dispatched a technician that same afternoon to diagnose and fix the issue. Bruce, the owner, fielded phone calls to guide homeowners through troubleshooting steps while technicians navigated icy roads to reach them.
Technicians Joel and Eric earn consistent praise for their speed and professionalism. When a Round Rock family faced a heating failure on a Saturday evening, Joel arrived within an hour of the service call and restored the system. Eric handled duct repair in a tight attic space, calling ahead with a 30-minute arrival window so the homeowner could clear the access path. Installation crews led by Javier arrived early and completed new system installs efficiently, leaving cleanup to the owner's standards.
All 408 reviews award 5 stars, with customers consistently naming individual technicians for praise. Emergency responsiveness and same-day repair appear in multiple reviews, as does the company's willingness to send a technician within an hour on weekends and evenings. Negative reviews are absent from this record.
Technicians respond to heating failures including winter-storm emergencies, diagnosing and repairing gas furnaces and heat pumps same-day.
AC repair covers compressors, capacitors, refrigerant leaks, and thermostat issues, with fast same-day response for cooling outages.
Full install includes removing old outdoor units and installing new systems with efficient timelines, reported at under two hours for standard replacements.
Duct repair in tight attic spaces includes advance notification of arrival time and coordination with homeowners to clear access routes.
Emergency response covers same-day arrivals for heating and cooling failures, including weekend and evening service calls within hours.