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Zinsmeyer Heating & Air Conditioning

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For over 60 years, Zinsmeyer Air Conditioning & Heating has been a family owned and operated business serving Castroville, Medina County and the neighboring San Antonio community as a reputable licensed contractor offering HVAC repair, installation, and maintenance services. We strive to be the definitive choice in the air conditioning industry by hiring high-quality teams of HVAC professionals that will serve our customers with prompt, reliable and professional service to keep our customers cool in the Texas heat and warm in the cold temperatures.

Clients who have tried Zinsmeyer Air Conditioning & Heating have shared great reviews and testimonials that they would recommend us to a friend because the company offers transparent pricing, free in-home estimates, and its team of experts who are committed to meet or exceed a customer�s expectations.

Different from their competitors, Zinsmeyer Air Conditioning & Heating offers pocket friendly pricing and a guarantee on our service work. Zinsmeyer Air Conditioning & Heating has partnered with multiple lending agencies to offer financing and credit approved opportunities to clients who wish to finance or enroll in monthly installments to pay for their newly installed HVAC system.

Services offered by Zinsmeyer Air Conditioning & Heating

Residential HVAC services

Zinsmeyer Air Conditioning & Heating specializes in new HVAC installs, remodel, maintenance & service work. Our technicians have the experience required to complete domestic tasks like poor air flow resulting from dirty air filters, low or undercharged refrigerant, leaky refrigerants, pilot or ignition problems, and any other issue that can affect your HVAC system. We value our customers and honor them with savings as a valued maintenance membership customer so we can maintain the HVAC system to fulfill their comfort needs and protect their warranty coverage. We are a proud dealer to partner with Trane HVAC systems as a Trane Comfort Specialist�.

Commercial HVAC services

Zinsmeyer Air Conditioning & Heating also has a team who specializes in commercial install and service with specialized trained technicians who have a wealth of experience and up to date training that is required to complete the repair, installation or maintenance services associated with HVAC systems used in commercial settings.



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Castroville, Texas 78009


NATE Certified
24/7 Emergency Service