Pros411

HVAC contractors in Alton, TX

AC & heating

105 results

Sorted from nearest to farthest.

Registered and featured HVAC contractors

Other local businesses

Loading local businesses…

  • Unclaimed

HVAC contractors in Alton, TX: by the numbers

There are 105 HVAC contractors with a phone number within 10 miles of Alton, TX, from public Google Maps data and state license records. 5 have a state license we could confirm, and those with a Google listing average 4.9 stars across 19,871 reviews.

with a phone number
105
with a confirmed state license
5
open 24 hours or for emergencies
41
come to you (service area)
18

Highest rated on Google near Alton, TX

Businesses with at least 20 Google reviews, sorted by rating. Ratings come from Google, not from Pros411.

  1. 1Colair5 ★ · 3,441 reviews · 6.3 mi
  2. 2Millennium A/C5 ★ · 1,613 reviews · 5.8 mi
  3. 3My Prime Air HVAC5 ★ · 1,305 reviews · 6.7 mi
  4. 4Mundo HVAC LLC5 ★ · 150 reviews · 6.5 mi
  5. 5FSC AIR | Air Conditioning & Refrigeration5 ★ · 145 reviews · 7.4 mi

Hours

Of the 102 businesses in this search that list their hours on Google, 89 are open on Saturdays and 59 on Sundays. 41 are open 24 hours. 46 have 4.5 stars or more with at least 10 reviews.

Good to know in McAllen

The Rio Grande Valley is hot and humid with a long cooling season, and it is exposed to tropical storms and hurricanes from June to November; Hurricane Hanna flooded parts of the Valley in July 2020.

Weather and your home in McAllen (area)

days a year at 90°F or more
177
days a year at 100°F or more
40
freezing nights a year (32°F or below)
1
hail reports in Hidalgo County, 2016 to 2025 (52 of 1 inch or larger)
58
  • The hottest months are June, July and August. ncei.noaa.gov
  • Since January 1, 2023, a new central AC installed here must meet the Southeast regional standard: at least 14.3 SEER2 for home split systems under 45,000 BTU. eere.energy.gov

Heat and freezes: NOAA 1991-2020 climate normals at McAllen Miller International Airport (USW00012959). Hail: NOAA Storm Events reports by county; they depend on how many people report, so use them to compare areas. Checked October 22, 2026. NOAA Storm Events

What an HVAC contractor charges

National ranges published by cost guides, not prices from the businesses on this list. Always get the price in writing.

  • Most AC repairs: about $150 to $700 (HomeGuide, HomeAdvisor, Fixr).
  • Service call or diagnostic: $75 to $200.
  • Capacitor: about $100 to $475; compressor: about $600 to $3,000, by source.
  • New central AC, installed: about $3,900 to $13,500 (HomeAdvisor, HomeGuide, Fixr, Trane).

AC repair cost: common repairs and when to replace · New AC unit cost: central air and mini-splits

Before you call

  • Check the thermostat, the breakers and the air filter first.
  • Have the brand and age of your system (on the label of the outdoor unit).
  • Ask about the diagnostic fee and after-hours rates.
  • If refrigerant is low, ask them to find and fix the leak, not just recharge.
  • Ask for the contractor’s license number.

Frequently asked questions

How many HVAC contractors are there in Alton, TX?

There are 105 with a phone number within 10 miles, from public Google Maps data and state license registries.

How do I check an HVAC contractor's license in Texas?

In Texas the license is issued by the Texas Department of Licensing and Regulation (TDLR); you can look up the number at https://www.tdlr.texas.gov. Pros411 shows "License verified" when the number is in that registry and matches the business phone. 5 of the HVAC contractors on this list have it confirmed.

Which HVAC contractors in Alton, TX have the best Google ratings?

Among those with at least 20 Google reviews, the highest rated in this search are Colair (5 stars, 3,441 reviews), Millennium A/C (5 stars, 1,613 reviews), My Prime Air HVAC (5 stars, 1,305 reviews).

Are there HVAC contractors open on weekends in Alton, TX?

Yes: of the 102 that list their hours, 89 are open on Saturdays and 59 on Sundays.

Are there 24-hour HVAC contractors in Alton, TX?

Yes: 41 list 24-hour hours or take emergency calls. Use the "24/7 emergencies" filter on the list.

Are there HVAC contractors who speak Spanish in Alton, TX?

Yes: 2 say on their website that they serve customers in Spanish (for example "Se habla español"). Use the "Speaks Spanish" filter on the list.

How do I contact an HVAC contractor?

Call or WhatsApp them directly from the list or their listing. Pros411 charges customers no fee and is not a middleman: you deal with the pro directly.

Why do some listings show first?

At the top, in a yellow box, are featured listings: they are paid and labeled "Featured". Then come registered pros, in the order they last bumped their listing, and at the end businesses from public data, from nearest to farthest.