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SM Air A/C & HeatingHVAC contractor in San Marcos, TX

SM Air A/C & Heating is an HVAC contractor at 3500 TX-123, San Marcos, TX 78666, ranked #14 of 203 HVAC contractors in San Marcos and rated 5.0 from 692 Google reviews. Open Monday to Friday.

San Marcos, TXUpdated 0 paid placements in any rankingHow we rank

Call (512) 546-7589Website ↗

Key facts

Key facts about SM Air A/C & Heating
Address3500 TX-123, San Marcos, TX 78666Get directions
Phone(512) 546-7589
Websitesmairtx.com
HoursMonday to Friday: 8 AM – 5 PM
Google rating5.0 from 692 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves San Marcos and 9 towns within 25 miles: Kyle, New Braunfels, Lockhart, Seguin, Buda, Canyon Lake, Luling, Shady Hollow and Cibolo.

Based in San Marcos, TXView on map

Opening hours

Opening hours for SM Air A/C & Heating
DayHours
Monday8 AM – 5 PM
Tuesday8 AM – 5 PM
Wednesday8 AM – 5 PM
Thursday8 AM – 5 PM
Friday8 AM – 5 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • Open Sundays — no

Typical heating and cooling prices

Typical heating and cooling prices
JobLowTypicalHigh
AC replacementPer system, installed (unit plus labor); typical range of customer-reported jobs. US national range$3,887$5,978$8,073
Furnace replacementPer system, installed; typical range of customer-reported jobs. US national range$2,823$4,814$6,896

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby HVAC contractors

SM Air A/C & Heating compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
SM Air A/C & Heating (this business)—625.0 (692)—NoNo
Mend Services#12625.0 (517)—YesYes21.5 mi
My Favorite Service Company#13625.0 (430)—YesYes13.4 mi
Reliable Air#15614.8 (133)—YesYes1.0 mi

See all 203 ranked HVAC contractors in San Marcos

Reviews

ContractorsRanked reviews

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Google

5.0from 692 Google reviews

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Questions about SM Air A/C & Heating

How is SM Air A/C & Heating ranked in San Marcos?

SM Air A/C & Heating is ranked #14 of 203 HVAC contractors in San Marcos by CR Score, with 62 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What are SM Air A/C & Heating’s hours?

SM Air A/C & Heating is open Monday to Friday. Its listed hours are Monday to Friday, 8 AM – 5 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does SM Air A/C & Heating serve?

Serves San Marcos and 9 towns within 25 miles: Kyle, New Braunfels, Lockhart, Seguin, Buda, Canyon Lake, Luling, Shady Hollow and Cibolo. The list is based on the business's location and the usual service radius for heating and cooling. Confirm your address is covered when you call.

What do Google reviews say about SM Air A/C & Heating?

SM Air A/C & Heating has a rating of 5.0 from 692 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact SM Air A/C & Heating?

Call SM Air A/C & Heating on (512) 546-7589. The business is at 3500 TX-123, San Marcos, TX 78666. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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