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AC Installation in Castroville, TX

Castroville’s Alsatian limestone and adobe homes, which were built from 1844 to the 1950s along Florella Street and Angelo Street, feature 18 to 24-inch walls that absorb heat all day and release it overnight. This unique architecture forces AC systems to run for 2,800 to 3,200 hours annually. A wrong-sized unit in these homes will short-cycle constantly, drive up Medina Electric Cooperative bills, and fail 40% faster than a correctly sized system. Getting the installation right the first time is not optional here; it is the entire job.

AC Installation San Antonio

We’ll Inspect your system, explain what we see, and let you decide what’s best for your home.

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REPAIR | INSTALLATION | TUNE-UP: We’ll provide the facts, then you pick the fix that fits your budget.

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A reliable AC installation follows a clear process from start to finish. Here’s what to expect when you schedule with Honeycomb in Castroville.

What Our Customers Say

“Great company. Got the work done quickly and neatly. Angel and Sergio were super helpful and kind. They did amazing work. Thank you for the great service guys!”

Linda G.

Thank you Honeycomb for being a family oriented business and really gearing towards taking care of your customers! You have definitely made an impact in my experience that I will receive your very best every single time! Again Aaron B. heard my concerns and took care of our A/C unit with additional safety precautions to feel more secure!
Selena Jasso

“Armando and Aaron, are extremely courteous, and friendly. Showed up on time, informed us of the steps, and the job to their best, explained me the issues, and the solutions. Documented all the work. Would highly recommend.”

Sameer A.

Honeycomb Heating & Cooling

Free Nuve Thermostat with Install

Control your home temperature from anywhere. Can’t be combined with other offers.

Honeycomb Heating & Cooling

Get a Free Air Scrubber with Install

Enjoy fresher air throughout your entire home! Can’t be combined with other offers.

Honeycomb Heating & Cooling

Zero Interest with No Monthly Payment

Call for more details. Can’t be combined with other offers.

Castroville & Medina County Neighborhoods We Serve

Honeycomb provides AC installation services across Castroville and surrounding communities. Below are the neighborhoods we regularly serve each with their own home type, construction challenge, and sizing requirements.

  • Historic Alsatian District, Florella & Angelo Streets (78009) – Primary service area. Aaron Botts specifically serves this zip. Mix of 1844–1950s limestone and adobe homes where Manual J and ductwork assessment before any install is mandatory.
  • US-90 Corridor Ranch Properties– Mid-century ranch homes and working ranch properties where agricultural dust and caliche exposure demand condenser placement planning and heavy-duty filtration sizing.
  • East Castroville Subdivisions – Newer 1990s–2000s residential builds where correct system sizing prevents the premature failures common in Medina County’s 7-month cooling season with high solar gain.
  • Medina River Corridor Properties – Riverside homes where humidity is highest and condensate drain capacity must be sized to handle peak Medina valley moisture loads in June and July.
  • Surrounding Medina County – Hondo (78861) · D’Hanis (78850) · Lytle (78052) · Natalia (78059) · Devine (78016) same service, no distance fees.

Don’t see your neighborhood? We serve every zip code in Medina County, call (726) 233-6044 to confirm same-day estimate availability.

Ac Installation FAQ San Antonio

How long does an AC installation take in a Castroville Alsatian stone home?

Most Castroville residential AC installations take 4–8 hours from removal of the old unit to final system testing. Alsatian stone and adobe homes along Florella Street may run longer if original ductwork inside stone walls needs assessment or modification, we identify this during the estimate visit, not on installation day. Newer ranch homes on the US-90 corridor and east-side subdivisions typically complete in the standard 4–6 hour window. Omar Castilleja and the Honeycomb team handle sizing, installation, testing, and cleanup in a single visit, you’re cooling the same day. Call (726) 233-6044 to schedule.

How much does AC installation cost in Castroville, TX?

AC installation in Castroville runs from $10,800 depending on tonnage, efficiency rating, and whether ductwork needs evaluation common in older Alsatian stone homes along Florella and Angelo Streets where original 1960s–1980s retrofit ductwork is undersized for modern loads. Single-stage heat pump: $10,800–$18,000. Two-stage: $14,200–$21,100. Honeycomb provides transparent written quotes before any work begins, zero hourly charges. Most estimates scheduled within 1–2 business days. Call (726) 233-6044.

Why do Castroville’s Alsatian stone homes need a Manual J calculation instead of square footage sizing?

Proper sizing in Castroville requires a Manual J load calculation rather than a generic square footage estimate, because Alsatian limestone and adobe walls averaging 18 to 24 inches thick behave completely differently from modern frame construction. A 1,500-square-foot stone home on Florella Street stores two to three times more heat than a 1,500-square-foot insulated-frame home, requiring significantly higher tonnage to maintain its setpoint overnight. Consequently, an undersized system in a Castroville stone home will run continuously, burn out the compressor 40% to 50% faster, and still fail to maintain 75°F at 2 AM in July. Honeycomb never installs systems based on square footage rules of thumb in Medina County stone construction.

Are there energy efficiency rebates for new AC systems in Castroville?

Yes. Castroville homeowners can get cash back through the Medina Electric Cooperative (MEC) SaveNow program when upgrading to qualifying high-efficiency systems. MEC is Castroville’s utility provider, unlike CPS Energy, which serves San Antonio. Rebate amounts depend on the SEER2 rating and system type; qualifying high-efficiency replacements receive meaningful rebates that reduce your out-of-pocket installation cost. Honeycomb handles all AHRI certification and MEC rebate paperwork as part of every installation, ensuring you leave nothing on the table. Ask about these savings when you call, and we will confirm exactly what your specific Castroville home qualifies for.

Does US-90 caliche and agricultural dust affect where my outdoor AC unit should be placed?

Yes, and this is a factor most HVAC companies don’t assess in Castroville. The US-90 corridor generates year-round caliche dust and agricultural particulate from farm operations. Condenser coils on poorly-placed outdoor units near working ranch properties or road exposure pack with dust 30–40% faster than urban San Antonio locations, reducing efficiency by 20–30% and dramatically increasing compressor wear. During the estimate visit, Honeycomb assesses condenser placement specifically for dust exposure, we recommend shielded locations, appropriate clearances, and coil guard options before installation. This is part of sizing for your property, not an add-on conversation later.

Do you remove my old AC system during installation in Castroville?

Yes, removal and disposal are included in every Honeycomb installation. We handle old R-22 refrigerant systems, oversized units, and aging ductwork common in Castroville’s older Alsatian stone and adobe neighborhoods according to Texas disposal regulations. For stone homes with original ductwork retrofitted into masonry walls, we document condition before removal and photograph all work. No extra charges, no hauling fees. Your property is left clean and your new system is running before we leave.

Why does my San Antonio home feel humid after a new AC installation?

Warmth after a new installation in Castroville almost always signals one of two issues: an undersized system that cannot overcome Alsatian stone thermal mass releasing stored daytime heat overnight, or disconnected and undersized ductwork inside stone walls that restricts airflow to upper floors. Both of these problems are completely avoided by starting with a Manual J load calculation and a thorough ductwork inspection before the installation begins. Because Castroville’s diverse home stock, which includes 1800s limestone homes on Florella Street, mid-century ranches on US-90, and newer subdivisions on the east side, all require different tonnage, distinct duct configurations, and specialized zoning, Honeycomb never installs systems based on square footage rules of thumb.

What SEER2 rating makes sense for a Castroville home running 7 months of cooling season?

For Castroville’s climate, where systems run between 2,800 and 3,200 hours annually from April through October, we recommend a minimum SEER2 rating of 15 to 16. High-efficiency systems with a SEER2 rating of 18 to 20 or higher deliver significant MEC bill savings in Castroville. This is specifically because the extended seven-month cooling season means every efficiency point compounds across thousands of runtime hours. For Alsatian stone homes where the building itself drives extended overnight operation, variable-speed systems with a SEER2 rating of 20 or higher provide the best combination of efficiency and humidity control. The Amana and Goodman units that Honeycomb installs offer SEER2 ratings up to 20 or higher.

Honeycomb Heating & Cooling (TACLA140435E) is a San Antonio-based, locally owned HVAC company. We are not affiliated with Honeywell or any national brand.

Buzz us today for reliable HVAC solutions!