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Proudly serving Castroville, Devine, Hondo, Lytle and the surrounding communities
Your comfort is our goal!
It is the mission of Lonestar Mechanical to provide our customers with professional and reliable service, innovative solutions, and offer cutting edge technology to make their homes smart,comfortable and efficient. You can count on us to provide you with a system and solution that fits your unique needs and since we have installed many systems in this area, we have earned a reputation for doing the job right the first time.

Our Products
As a Trane dealer, with a wide variety of products to choose from, we can keep your family healthy and feeling comfortable all year long. We carry a complete line of indoor comfort equipment with innovations that raise the standards of comfort and reliability, including air conditioners, heat pumps, gas furnaces, programmable thermostats, humidifiers, ductless split systems, air cleaners, ultra violet lights, ventilators and zoning products. Let the experts at Lonestar Mechanical help you customize a solution that's right for you.
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Our Services
We are service professionals! As licensed contractors and specialists in the field of heating and air-conditioning, we have the tools, the equipment, and the experience to keep your equipment running smoothly all year long. If it is emergency service that you need, twenty-four hours a day, seven days a week, we are available to assist you! To help reduce service emergencies, we offer service agreements to keep your comfort system running at peak performance.
Learn MoreWe're stocked with products by the best brands
- RGF
- Trane

Our Organization Offers
- Residential Heating & Air Conditioning Products
- Commercial HVAC Services
- Installation & Replacement
- Trained Technicians
- Equipment Retrofit & Replacement
- Preventative Maintenance
- Extended Service Agreements
- Extended Warranties on New Equipment
- Emergency Service
- Indoor Air Quality Specialists
- Service All Makes & Models
- Electrical Services
- Backup Generators
- Solar