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Unified Heating & Air ConditioningHVAC contractor in Round Rock, TX

Unified Heating & Air Conditioning is an HVAC contractor at 399 S H 45, Round Rock, TX 78664, ranked #38 of 461 HVAC contractors in Round Rock and rated 4.8 from 83 Google reviews. Open 24 hours a day, 7 days a week.

Round Rock, TXUpdated 0 paid placements in any rankingHow we rank

Call (737) 340-5333Website ↗

Key facts

Key facts about Unified Heating & Air Conditioning
Address399 S H 45, Round Rock, TX 78664Get directions
Phone(737) 340-5333
Websiteunifiedheatingair.best
HoursOpen 24 hours, 7 days a week
Google rating4.8 from 83 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Round Rock and 11 towns within 25 miles: Wells Branch, Brushy Creek, Pflugerville, Jollyville, Anderson Mill, Cedar Park, Hutto, Georgetown, Manor, Leander and Austin.

Based in Round Rock, TXView on map

Opening hours

Opening hours for Unified Heating & Air Conditioning
DayHours
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayOpen 24 hours
  • Open 24/7
  • Open evenings — no
  • Open Saturdays
  • Open Sundays
  • Emergency service

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

Unified Heating & Air Conditioning compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Unified Heating & Air Conditioning (this business)—614.8 (83)—YesYes
Texas A/C & Heating#36614.9 (375)—YesYes1.3 mi
PT Maintenance. Air Conditioning & Heating Services#37614.8 (81)—YesYes2.7 mi
ARS / Rescue Rooter#39614.4 (4,843)—YesYes9.7 mi

See all 461 ranked HVAC contractors in Round Rock

Reviews

ContractorsRanked reviews

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Google

4.8from 83 Google reviews

Hired Unified Heating & Air Conditioning? Write a review

Questions about Unified Heating & Air Conditioning

How is Unified Heating & Air Conditioning ranked in Round Rock?

Unified Heating & Air Conditioning is ranked #38 of 461 HVAC contractors in Round Rock by CR Score, with 61 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 Unified Heating & Air Conditioning’s hours?

Unified Heating & Air Conditioning is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

What areas does Unified Heating & Air Conditioning serve?

Serves Round Rock and 11 towns within 25 miles: Wells Branch, Brushy Creek, Pflugerville, Jollyville, Anderson Mill, Cedar Park, Hutto, Georgetown, Manor, Leander and Austin. 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 Unified Heating & Air Conditioning?

Unified Heating & Air Conditioning has a rating of 4.8 from 83 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 Unified Heating & Air Conditioning?

Call Unified Heating & Air Conditioning on (737) 340-5333. The business is at 399 S H 45, Round Rock, TX 78664. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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