Texas Lone Star AC & Heating LLC
Brownsville, TX HVAC · #3 of 4 · 10+ yrs
At a glance
- Google rating
- 4.7★ from 85+ reviews
- In business
- 10+ years
- Services
- 6 HVAC services
- Service area
- Brownsville, TX
- Phone
- +1-956-621-0541
Overview
Texas Lone Star AC & Heating LLC provides responsive HVAC services throughout the Rio Grande Valley. Their team advertises same-day emergency repairs and provides free onsite inspections for residential and commercial properties. Technicians utilize modern diagnostic tools to address cooling issues in the intense humidity of Brownsville. Customers frequently highlight the organized communication process and the detailed photo documentation provided after service visits. This locally operated business maintains a full-time staff to handle system installations and repairs.
Texas Lone Star AC & Heating LLC performs residential and commercial HVAC services across the Rio Grande Valley. They report offering same-day emergency repairs for all major cooling and heating brands. Customers can request free onsite inspections for new system installations or unit replacements. The company lists financing options to assist homeowners with major HVAC investments. Their team provides comprehensive ductwork services, including cleaning, repair, and new installation.
Vouched Score breakdown — 72/100
Brownsville, TX HVAC average is 76/100. Ranks #3 of 4 listed HVAC providers in Brownsville, TX.
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
How Texas Lone Star AC & Heating LLC compares to the Brownsville average
| Signal | Texas Lone Star AC & Heating LLC | Brownsville avg | Delta |
|---|---|---|---|
| Vouched Score | 72/100 | 76/100 | -4 vs avg |
| Google rating | 4.7★ | 4.5★ | +0.2 vs avg |
| Review volume | 85+ | 115+ | -28 vs avg |
| Years in business | 10+ | 19+ | -9 vs avg |
What customers say
"I am with military over seas. My wife called and said the ac was not working. We looked online and saw great pictures and reviews. We called for a estimate they came out that same day. Tech was great he spoke to my wife and also talked to my over the phone and answered all my question and concerns. We got a typed estimate within 1 hour to our emails and text message. We chose the best option for us they were in…"
— Jesus Mendez · Mar 1, 2026 · Google Reviews"After several unsuccessful attempts to have another company inspect our HVAC system, I contacted Texas Lone Star, and I’m glad I did. It was refreshing to communicate with a well-organized and professional company. Belinda was friendly, efficient, and knowledgeable. I was very impressed with her attention to detail. She arranged for a technician to come to my property on the same day as my call. The technician arriv…"
— Crys E · Jun 12, 2025 · Google Reviews"Don't bother with them. My 16 year old could have done a better job. And they wanted over $900 for this."
— Crystal Crews · Jul 11, 2021 · Google Reviews"I Called about an estimate for a new hvac system for my home. They sent out a tech to chk out what i needed. That was a week ago. 7 days later- no estimate, no email, no call back. Nothing. Nada. Nice way to do business 👎"
— C Ram · Apr 2, 2025 · Google Reviews"Overall great company! Liza provided great customer service from answering all my questions to setting up an appointment. The technicians were very punctual and right to the point. They trouble shot my ac unit while explaining everything they were doing and answering all of my questions. The job couldn't be done in one day so they did what they were able too and I was scheduled for another day to complete the work. …"
— Karen Delgado · May 15, 2021 · Google ReviewsPros & cons
- High Google rating (4.7★ across 85+ reviews)
- Long-established (10+ years in business)
Self-reported on their website — not independently verified.
- Emergency response: same-day
- Financing available
- Free estimates
- Specializes in AC repair
Common complaints
Surfaced from negative-leaning customer reviews on Google / Yelp / BBB. Not editorial commentary.
- Don't bother with them. My 16 year old could have done a better job. And they wanted over $900 for this.
- I Called about an estimate for a new hvac system for my home. They sent out a tech to chk out what i needed. That was a week ago. 7 days later- no estimate, no email, no call back. Nothing. Nada. Nice…
When to choose them — and when to consider alternatives
- You need same-day or after-hours service
- You need to finance the work
- Reports of poor workmanship would be a deal-breaker for you
- Reports of communication gaps would be a deal-breaker for you
- You want a BBB-rated firm specifically
Services
- AC Repair — Diagnostics and repair of central air conditioning systems — refrigerant leaks, capacitor and contactor failures, condenser fan motors, and thermostat issues.
- AC Replacement — Removal and replacement of an aging or failed central A/C — typically condenser, evaporator coil, and refrigerant lines.
- HVAC Installation — Full HVAC system installation including indoor and outdoor equipment, ductwork tie-in, and refrigerant work.
- Emergency HVAC Service — After-hours emergency response for no-cool and no-heat calls.
- Indoor Air Quality — Indoor air-quality work: high-MERV filtration, UV systems, humidifiers/dehumidifiers, and duct sanitization.
- Duct Work — Ductwork inspection, sealing, and replacement — addresses leakage, undersized runs, and uneven room temperatures.
Service area
Brownsville, TX home
Guarantees & credentials
- Licensed technicians
- Licensed and insured
- Satisfaction Guaranteed
Sourced from the provider's own website. We surface these as published; we do not independently verify each license or warranty.
Contact & hours
Frequently asked questions
What are the pros of Texas Lone Star AC & Heating LLC?
When should I choose Texas Lone Star AC & Heating LLC?
When should I consider alternatives to Texas Lone Star AC & Heating LLC?
What is the Vouched Score for Texas Lone Star AC & Heating LLC?
How long has Texas Lone Star AC & Heating LLC been in business?
How can I contact Texas Lone Star AC & Heating LLC?
What does HVAC service typically cost when working with a Brownsville, TX provider like Texas Lone Star AC & Heating LLC?
What pricing terms does Texas Lone Star AC & Heating LLC publish on their website?
Does Texas Lone Star AC & Heating LLC do AC Repair in Brownsville, TX?
Does Texas Lone Star AC & Heating LLC do AC Replacement in Brownsville, TX?
Compare with nearby providers
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Texas Lone Star AC & Heating LLC (this company) |
72/100 | 4.7★ (85+) | 10+ | — | — | Emergency / 24-Hour Service |
| 84/100 | 4.7★ (195+) | 10+ | — | — | Best for Financing Options | |
| 87/100 | 4.8★ (145+) | 10+ | — | — | Highest Vouched Score Best for Furnace Repair Best for New System Installation |
|
| 60/100 | 4.0★ (35+) | 46+ | — | — | — |
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Profile last updated May 13, 2026.