5 AC Installation Contractors in Castroville, TX

4.4 avg rating
651 total reviews2 offer 24/7 service
AC Repair(5)AC Installation(5)HVAC Service(5)

Top-Rated AC Installation Contractors in Castroville

#1

Lonestar Comfort Services

4.9(448 reviews)
Highly Rated

Each of the four featured reviewers awards 5 stars, with three explicitly naming technicians (Omar, Brandon, Rita) as standouts. Common threads include…

337 US-90, Castroville, TX 78009
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#2

Zinsmeyer Air Conditioning & Heating

4.8(168 reviews)
24/7 Highly Rated

Every reviewer awards 5 stars, with six of eight named customers specifically praising same-day or hour-level response times. Technicians Marco, Omar, Leslie,…

2873 US-90, Castroville, TX 78009
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#3

A/C Technical Services

3.8(19 reviews)

Among 4 parsed reviews, 3 award perfect 5-star ratings citing same-day arrival, thorough diagnostics, and system-wide replacements. The single 1-star review…

15425 US-90, Castroville, TX 78009
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All AC Installation Contractors (5 total)

Burkholder AC & Heating LLC

4.3(12)

Five of seven reviewers award 5 stars, praising technician expertise and honest assessments. The sole 1-star…

1665 FM471, Castroville, TX 78009
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Jagge Service Co Inc

4.0(4)
24/7

Two of four reviews award five stars citing honest interactions and reliable service, while two others…

3400 US-90, Castroville, TX 78009
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AC Installation Costs in Castroville

New central AC installation costs in Castroville, by system type and brand.

ServiceLowAverageHigh
Window unit
$150$350$700
Ductless mini-split (single zone)
$2,000$4,500$8,000
Central AC replacement (existing ducts)
$3,500$6,500$12,000
Central AC new install (with ductwork)
$7,000$12,000$20,000
Carrier (residential)
$3,800$6,200$10,500
Trane (residential)
$5,000$8,800$13,600
Lennox (residential)
$3,500$6,500$12,000
Rheem (residential)
$3,200$5,500$9,000

Prices reflect humid subtropical metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.

AC Installation in Castroville, TX: What to Expect

San Antonio–area summers push Castroville into prolonged cooling demand, with average highs near 96°F and 113 days above 90°F; elevated humidity adds a heavy latent load that increases system sizing and runtime. Five contractors serve the town, averaging a 4.4 rating from 651 reviews, so ac-installation Castroville options are concentrated among a small, experienced pool of providers.

The directory’s cost fields were not populated for this market, so homeowners should expect prices to vary with equipment capacity, SEER rating, ductwork modifications and labor accessibility. Major cost drivers include oversized or undersized systems, permitting and electrical upgrades. Texas requires HVAC contractors to hold a TDLR Class A or Class B license—confirm the license level matches the scope of your installation before signing a contract.

Customer-highlight fields were likewise empty, so prospective clients should read recent reviews for patterns such as response time, warranty follow-through and accuracy of load calculations. Note two local firms advertise 24/7 service; ask about emergency fees, itemized estimates and proof of insurance. Prioritize a clear proposal that lists equipment models, efficiency ratings and installation responsibilities.

Frequently Asked Questions

New AC installation in Castroville costs $150-$20,000 depending on system type. Window units run $150-$700, ductless mini-splits $2,000-$8,000 per zone, central AC replacement with existing ducts $3,500-$12,000, and full new installs with ductwork $7,000-$20,000. SEER rating, tonnage, and brand significantly affect pricing.