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50+ Years
experience
Emergency
services
Your Trusted HVAC Partner in Castroville, TX
Zinsmeyer Air Conditioning & Heating, formerly Zinsmeyer Air Conditioning & Heating, has served Castroville, Texas and surrounding areas since 1960. Our family-owned business brings over 50 years of residential and commercial HVAC expertise, specializing in installation, repair, and maintenance of high-efficiency heating and cooling systems. As an Independent Trane Comfort Specialist, we uphold the highest industry standards through continuous technician training and adherence to cutting-edge technology. Our commitment to customer satisfaction is demonstrated through a 100% satisfaction guarantee on all work performed.

We maintain rigorous quality control through ongoing education programs and comprehensive service protocols. Our team of certified professionals delivers reliable solutions for both emergency and scheduled HVAC needs. With a legacy of excellence spanning multiple generations, we combine proven experience with modern innovations to address Texas' extreme climate conditions. Our service promise includes transparent pricing, fully stocked service vehicles, and a focus on long-term customer relationships rather than transactional interactions.
Services
HVAC Installation Emergency Repairs System Maintenance Air Quality Solutions Commercial HVAC Ductless Systems Thermostat Installation Air Scrubber Services 24/7 Service Financing Options
Details
  • Year established: 1960
Highlights and features
  • Over 50 years of combined HVAC experience since 1960
  • 24/7 emergency service with rapid response times
  • Trane-certified technicians with ongoing specialized training
  • 100% satisfaction guarantee on all completed work
  • Transparent, upfront pricing with no hidden fees
Associations and certifications
  • Independent Trane Comfort Specialist
What people say
Professional and helpful Excellent service and response Thorough and knowledgeable technicians Prompt emergency response Great customer service
Services
HVAC Installation
Professional installation of Trane and Mitsubishi HVAC systems ensures optimal performance and energy efficiency. Our certified technicians handle complete system replacements and new installations for residential and commercial properties. We provide expert sizing and engineering analysis to match equipment to your specific comfort needs.
Emergency Repairs
24-hour emergency repair service addresses urgent HVAC failures with rapid response times. Our fully equipped service vehicles enable on-site diagnostics and repairs for immediate comfort restoration. Technicians are trained to handle all brands and system types under pressure.
Air Quality Solutions
Advanced air purification systems including Trane CleanEffects and REME HALO technology improve indoor air quality by eliminating contaminants. We offer customized solutions for allergy relief and whole-home air purification with professional installation and maintenance.
System Maintenance
Comprehensive maintenance plans extend equipment lifespan and prevent breakdowns. Our technicians perform detailed inspections, cleaning, and performance optimizations during scheduled visits. Regular maintenance ensures peak efficiency and early detection of potential issues.
Commercial HVAC
Specialized commercial HVAC services cover new construction, renovations, and retrofit projects. Our team handles large-scale installations and maintenance for industrial and commercial facilities. We provide customized solutions with minimal business disruption and ongoing service support.
Questions
What areas do you service?
We serve Castroville and surrounding Texas communities including Bandera, Boerne, Fredericksburg, Kerrville, New Braunfels, and San Marcos.
Do you offer emergency HVAC services?
Yes, we provide 24/7 emergency service with technicians available after regular business hours and on weekends.
What HVAC brands do you work with?
We specialize in Trane systems as an Independent Trane Comfort Specialist, and also work with Mitsubishi and all major HVAC brands.
Do you offer financing options?
Yes, we offer financing through Wells Fargo Home Projects credit card for HVAC equipment purchases and installations.
What services do you provide for residential customers?
We offer complete HVAC solutions including installation, repair, maintenance, air quality systems, and ductless mini-split options for homes.
What guarantees do you offer?
We provide a 100% satisfaction guarantee and will return at no charge if issues persist after initial repair.