24/7 Available · Round Rock
24-Hour HVAC Companies in Round Rock, TX — Always Available
Emergencies don't keep business hours. These hvac companies in Round Rock are available 24 hours a day, 7 days a week — including holidays.
As of June 2026, RatingsNearMe ranks 17 hvac companies in Round Rock, TX by the RNM Score — a 0–100 rating built from Google ratings, review volume, sentiment, and profile completeness. The top-ranked is Blue Ribbon Cooling, Heating, Plumbing, & Electrical with a 4.9-star rating from 2,782 Google reviews and an RNM Score of 98/100. Also in the top tier: Service Wizard Air Conditioning, Heating, and Plumbing and Koala Cooling: HVAC Department. The average rating across all listed hvac companies in Round Rock is 4.8 stars from 676 reviews per business on average.
HVAC service in Round Rock: $75–$150/hr for repairs; full system replacement $4,000–$12,000 depending on size and efficiency.
Rankings updated June 10, 2026 · RNM Score = ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · Not paid placement.
Best Overall
Koala Cooling: HVAC Department
As the top-ranked HVAC provider in Round Rock, Koala Cooling stands out for its exceptional service and customer satisfaction.
Most Reviewed
PT Maintenance. Air Conditioning & Heating Services
A high review count indicates widespread customer trust and consistent quality of service.
When choosing an HVAC in Round Rock, consider both reputation and responsiveness; reading recent reviews can help ensure you select a reliable provider for your specific needs.
Local Market Snapshot
17
Businesses listed
4.8★
Avg rating
676
Avg reviews
Jun 10, 2026
Last updated
Top Rated HVAC Companies
Rated 4.9 out of 5 by thousands of customers in Round Rock.
3121 Eagles Nest St #150, Round Rock, TX 78665, USATrusted by thousands, this Round Rock HVAC team maintains a stellar 4.9-star rating.
132 TK Industrial Blvd, Hutto, TX 78634, USATrusted by hundreds of local customers with a near-perfect 4.9-star rating.
1102 S Industrial Blvd Suite C, Round Rock, TX 78681, USAHVAC Companies Rankings in Round Rock, TX
| # | Business | Rating | Reviews |
|---|---|---|---|
| #1 | Blue Ribbon Cooling, Heating, Plumbing, & Electrical3121 Eagles Nest St #150, Round Rock, TX 78665, USA | 4.9★ | 2,782 |
| #2 | Service Wizard Air Conditioning, Heating, and Plumbing132 TK Industrial Blvd, Hutto, TX 78634, USA | 4.9★ | 1,937 |
| #3 | Koala Cooling: HVAC Department1102 S Industrial Blvd Suite C, Round Rock, TX 78681, USA | 4.9★ | 948 |
| #4 | On Air HVAC301 S Heatherwilde Blvd #921, Pflugerville, TX 78691, USA | 5.0★ | 194 |
| #5 | Cool Kids AC, Heat & Plumbing907 Fieldstone Pl, Round Rock, TX 78664, USA | 5.0★ | 459 |
| #6 | Christianson Air Conditioning and Plumbing1950 Louis Henna Blvd, Round Rock, TX 78664, USA | 4.0★ | 486 |
| #7 | Climate Masters Heating & Air Conditioning2200 E Palm Valley Blvd, Round Rock, TX 78665, USA | 4.8★ | 91 |
| #8 | AirFix Mechanical551 S I-35 Frontage Rd #300, Round Rock, TX 78664, USA | 4.9★ | 111 |
| #9 | Texas Comfort Air - Heating - Air - Electrical Services3141 Eagles Nest St #210, Round Rock, TX 78665, USA | 4.7★ | 220 |
| #10 | Aire Serv of Round Rock600 S I-35 Frontage Rd, Round Rock, TX 78681, USA | 4.9★ | 254 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated June 2026
All HVAC Companies in Round Rock
5.0 stars from nearly 200 reviews, reflecting exceptional local HVAC service.
301 S Heatherwilde Blvd #921, Pflugerville, TX 78691, USA
Round Rock’s top-rated HVAC provider with a flawless 5.0 stars from 459 reviews.
907 Fieldstone Pl, Round Rock, TX 78664, USA
Trusted by hundreds of local customers with a solid 4.0-star rating in Round Rock.
1950 Louis Henna Blvd, Round Rock, TX 78664, USA
Trusted by dozens of customers with an exceptional 4.8-star rating.
2200 E Palm Valley Blvd, Round Rock, TX 78665, USA
4.9 stars from over 100 reviews, reflecting exceptional customer satisfaction.
551 S I-35 Frontage Rd #300, Round Rock, TX 78664, USA
Trusted by hundreds of Round Rock customers with a solid 4.7-star rating.
3141 Eagles Nest St #210, Round Rock, TX 78665, USA
Trusted by hundreds of Round Rock residents, this HVAC company holds a stellar 4.9-star rating.
600 S I-35 Frontage Rd, Round Rock, TX 78681, USA
Trusted by hundreds with a 4.8-star rating for HVAC in Round Rock.
1000 S I-35 Frontage Rd, Round Rock, TX 78681, USA
Rated 4.8 stars from 85 Google reviews, this HVAC company is highly trusted.
402A W Palm Valley Blvd Ste 326, Round Rock, TX 78664, USA
Trusted by thousands of Round Rock locals with an exceptional 4.8-star rating.
1107 Wonder Dr #102, Round Rock, TX 78681, USA
Trusted by hundreds of Round Rock locals, this HVAC company holds a stellar 4.9-star rating.
304 Hazelwood St Suite 4, Leander, TX 78641, USA
Trusted by hundreds of local customers with a stellar 4.8-star rating.
2512 W Pecan St #320, Pflugerville, TX 78660, USA
Round Rock's top-rated HVAC company, with 342 perfect 5.0-star Google reviews.
1502 Chisholm Trail Rd A, Round Rock, TX 78681, USA
Exceptional 5.0-star rating from 13 Google reviews in Round Rock.
2361 S A.W. Grimes Blvd, Round Rock, TX 78664, USA
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HVAC Companies in Round Rock, TX — Compared
| # | Business | RNM Score | Rating | Reviews |
|---|---|---|---|---|
| 1 | Blue Ribbon Cooling, Heating, Plumbing, & Electrical | 98/100 | 4.9 ★ | 2,782 |
| 2 | Service Wizard Air Conditioning, Heating, and Plumbing | 98/100 | 4.9 ★ | 1,937 |
| 3 | Koala Cooling: HVAC Department | 98/100 | 4.9 ★ | 948 |
| 4 | On Air HVAC | 99/100 | 5.0 ★ | 194 |
| 5 | Cool Kids AC, Heat & Plumbing | 100/100 | 5.0 ★ | 459 |
| 6 | Christianson Air Conditioning and Plumbing | 75/100 | 4.0 ★ | 486 |
| 7 | Climate Masters Heating & Air Conditioning | 79/100 | 4.8 ★ | 91 |
| 8 | AirFix Mechanical | 86/100 | 4.9 ★ | 111 |
| 9 | Texas Comfort Air - Heating - Air - Electrical Services | 86/100 | 4.7 ★ | 220 |
| 10 | Aire Serv of Round Rock | 98/100 | 4.9 ★ | 254 |
Ranked by RatingsNearMe Score · ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · June 2026
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Frequently Asked Questions — HVAC Companies in Round Rock
How do I find the best hvac companies in Round Rock?
Look for businesses with 4.5+ stars, 50+ verified reviews, proper licensing and insurance, and transparent pricing. The top-ranked hvac companies in Round Rock on this page are scored by our algorithm that weighs ratings, review count, and profile completeness.
Are hvac companies in Round Rock licensed and insured?
Licensing requirements vary by trade and state. For most home service contractors, TX requires both a state license and liability insurance. Always ask any contractor for proof of current insurance and a copy of their license number before work begins — you can verify most licenses on your state licensing board's website.
How much do hvac companies charge in Round Rock, TX?
Prices vary by scope, materials, and contractor experience. Use the free quote form on this page to request estimates from multiple local pros simultaneously. Getting 3+ quotes is the single most effective way to avoid overpaying.
What should I look for when hiring a hvac companies in Round Rock?
Verify licensing and insurance, read recent reviews on multiple platforms, ask for a written estimate before work starts, confirm they pull permits when required, and check references from recent local projects. Featured businesses on this page are ranked by verified ratings and review quality.
How are the hvac companies on this page ranked?
Rankings use a transparent algorithm: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Featured Partner listings have paid for enhanced visibility but must still earn their position through real customer reviews — sponsored listings are clearly labeled.
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How Rankings Work on This Page
Every hvac companies on RatingsNearMe is scored transparently: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Businesses labeled exclusive or premium are Featured Partners — they have paid for enhanced visibility but must still rank through real customer reviews. We cap sponsored boosts so bad businesses can never buy the top spot.
Editorial notice: Ratings are based on publicly available data from Google Business listings. Consumers should independently verify licensing, insurance, and credentials before hiring any service provider. Last updated: June 10, 2026.
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