24/7 EMERGENCY TRUCKS ON-CALL · Avg response: 38 min in Hidalgo County
🚨 24/7 HOTLINE: (956) 555-0199
[CP]
Castillo HVAC & Plumbing Experts TX Master Plumber #M-41238 · TACLA019842C · Licensed, Bonded & Insured
GUARANTEED FLAT QUOTES TX Master Plumber #M-41238 · TACLA019842C · Licensed, Bonded & Insured

HVAC, Plumbing & Drain Repair. Flat Rates. 24/7 Rapid Dispatch.

Family-operated master trade team in McAllen, TX. Over 15 years delivering furnace swaps, emergency repipes, AC replacements, and hydro-jetting with guaranteed upfront pricing and zero hidden trip fees.

⚡ 0% APR for 18 Mos available
⏱ Same-Day Dispatch in Hidalgo Co.
Castillo technician troubleshooting high-efficiency HVAC compressor on site
Field Dispatch Unit #4
Fully stocked service van loaded with OEM Carrier, Rheem & Uponor parts
38 MIN
Average Emergency Response
15+ YRS
Master Trade Experience
$0 TRIP
Zero Hidden Mileage Fees
100%
Upfront Bound Flat Quotes
Upfront Pricing

Clear Flat-Rate Services

We publish real starting rates because homeowners deserve transparency before a truck pulls up. Every job receives an exact, bound written quote before any wrench turns.

View All 6 Service Lines →
HVAC Same-day swap

AC & Heat Pump Replacement

Complete 16-20 SEER2 system changeouts with new digital smart thermostat, supply line insulation, and city permit inspection included.

Flat Rate
From $4,200 installed
10-Year Parts & Labor
Plumbing 4 - 8 hours

Emergency Slab Leak & Repiping

Non-destructive acoustic leak detection followed by precision PEX-A whole-home bypass lines without jackhammering your finished foundation.

Flat Rate
From $320 spot / $2,800 whole-home
25-Year PEX Warranty
Plumbing 3 - 5 hours

Tankless & Hybrid Water Heaters

Navien high-efficiency tankless gas or Rheem smart hybrid electric units sized precisely for continuous simultaneous hot showers.

Flat Rate
From $1,350 installed
15-Year Heat Exchanger
EMERGENCY PROTOCOL ACTIVE 24 Hours / 7 Days / 365 Days

Have a Burst Pipe, Gas Smell, or Total AC Shutdown?

Don't wait for business hours. We maintain dedicated on-call master technicians stationed with fully stocked emergency trucks across McAllen, Edinburg, and Mission.

Emergency Quick Steps:

  • Major Water Leak: Locate your front curb meter box or garage main shutoff and turn valve 90° clockwise.
  • AC System Icing Up: Turn thermostat switch immediately to "OFF" and fan to "ON" to thaw the evaporator coil.
  • Gas Odor (Rotten Egg): Evacuate all occupants outside immediately and call our emergency dispatch or 911 from outside.
Field Work Log

Recent Jobs In Your Neighborhood

Direct field documentation from actual Hidalgo County residences and local business facilities. Unedited job diagnostics and installed equipment specifications.

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Job-site tooling and PEX piping installation on residential home
Plumbing North McAllen (Bicentennial Blvd)

Whole-Home PEX-A Repipe After Slab Failure

Recurring under-slab copper pinhole leaks caused hot water pressure drops and $400 monthly utility spikes.

2,400 sq ft · 3.5 Bath · Uponor ProPEX · 25-yr warranty
Modern mechanical and ventilation install with labeled ducting
HVAC Edinburg (University Dr)

Emergency 4-Ton 18 SEER2 Inverter Heat Pump

Compressor grounded out during a 104°F July heatwave with an elderly resident inside.

Carrier Infinity 18 SEER2 · Honeywell T10 Pro · 42 CFM balanced
Finished mechanical utility space with clean modern copper and stainless lines
Plumbing Mission (Conway Ave)

Commercial Restaurant Dual Tankless Conversion

75-gallon atmospheric tank heater ruptured during Friday morning prep, flooding the back kitchen.

398,000 BTU total · 11.2 GPM output · Recirculation loop
Verified Feedback

What Rio Grande Valley Owners Say

100% verified customer ratings from homeowners and facility managers across Hidalgo County.

★★★★★

"Our AC motor seized on a Sunday afternoon when it was 102 degrees out. Castillo's emergency dispatch arrived in 38 minutes with the exact capacitor and fan motor in the truck. Upfront price was honored to the cent."

Dr. Ronald Garza
North McAllen Emergency AC Repair
★★★★★

"Two other plumbers wanted to tear up our hardwood flooring for a slab leak. Carlos Castillo scoped it with a camera, found the line, and rerouted everything through the attic in one day. Outstanding workmanship."

Elena & Hector Cantu
Edinburg Whole-Home PEX Repipe
★★★★★

"Our bakery's water heater failed at 5:00 AM before our bread bake. They had a commercial tankless unit delivered and firing by 8:30 AM. Saved thousands in spoiled dough."

Marcos Vega, Owner
Mission Commercial Tankless Conversion
Flat Quote Guarantee

Need Fast Service or an Upfront Replacement Quote?

Upfront bound quotes before work begins. No surprises, no mileage surcharge.

Open Instant Quote Form Call Main Shop: (956) 555-0148
🚨 24/7 Emergency ⚡ Flat Quote