The Best HVAC in Justin, TX

Compare the highest-rated hvac professionals in Justin, Texas. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Justin Climate Control Experts

4.8
(142 reviews)
Verified

A premier, locally-owned HVAC contractor specializing in high-efficiency system installations and complex repairs for both residential and light commercial properties. They are known for their thorough diagnostics and expertise with modern smart thermostats and zoning systems, crucial for North Texas temperature swings.

101 W. Highway 114, Justin, TX 76247

Specialties & Features

High-Efficiency System Installation
24/7 Emergency Service
Complex Diagnostic Repairs
Smart Home Integration

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Lone Star Heating & Air

4.6
(118 reviews)
Verified

A family-operated HVAC company with deep roots in the Justin community. They excel in routine maintenance plans designed for the dusty local environment, furnace repair for occasional cold snaps, and complete ductwork fabrication and sealing to improve home efficiency and air quality.

245 Frontier Parkway, Justin, TX 76247

Specialties & Features

Preventative Maintenance Plans
Ductwork Design & Sealing
Furnace Repair
Local & Family-Owned

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Texas Extreme HVAC Services

4.5
(96 reviews)
Verified

Specializes in rapid-response emergency AC repairs and system replacements, crucial during the peak summer heat. They are certified to work on a wide range of major brands and focus on providing robust, reliable systems built to handle extreme Texas temperatures without failure.

700 Indian Trail, Justin, TX 76247

Specialties & Features

24/7 Emergency AC Repair
System Replacement
Brand Certified (Trane, Lennox, Carrier)
Energy Efficiency Audits

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes

Why These Are the Top HVAC Contractors in Justin

Justin, TX, experiences a humid subtropical climate with very hot, long summers (often exceeding 100°F) and short, relatively mild winters. This places extreme demand on air conditioning systems for most of the year, making AC installation, maintenance, and emergency repair the core of the local HVAC market. The prevalence of new construction also drives demand for high-efficiency system installations and proper ductwork design. Dust and pollen are common, emphasizing the need for quality air filtration and sealed ductwork. The market is competitive with a mix of local dedicated companies and larger regional providers serving the North Texas area.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Justin regulations and climate

Frequently Asked Questions About HVAC in Justin

Get answers to common questions about hvac services in Justin, Texas.

1What is the typical cost range for replacing an HVAC system in Justin, Texas?

For a full system replacement (air conditioner and furnace or heat pump) in a standard single-family home, homeowners in Justin can expect a typical range of $6,500 to $12,000. The final cost depends heavily on the home's square footage, the system's efficiency rating (SEER2), and the complexity of the installation. Given our North Texas climate with long, intense summers, investing in a higher-efficiency unit (16+ SEER2) can offer significant long-term savings on energy bills despite a higher upfront cost.

2When is the best time of year to schedule HVAC maintenance or replacement in Justin?

The absolute best times are during the mild shoulder seasons of early spring (March-April) and early fall (September-October). Scheduling during these periods ensures your system is fully serviced before the peak summer demand and winter cold snaps, and you'll find greater technician availability and often more flexible scheduling. Waiting until the first 100-degree day or a freezing cold front often leads to emergency service calls, longer wait times, and higher prices.

3Are there any local Justin or Texas-specific regulations I should know about for HVAC installation?

Yes, Texas requires that all HVAC contractors hold a state license through the Texas Department of Licensing and Regulation (TDLR). Always verify a contractor's TDLR license number. Furthermore, for homes in newer developments, you may have specific homeowner association (HOA) covenants in Justin that dictate where outdoor condenser units can be placed or require aesthetic screening, so it's important to check your HOA rules before installation.

4How do I choose a reliable HVAC contractor in the Justin area?

Start by confirming their TDLR license and insurance. Then, look for established local companies with strong, verifiable reviews on platforms like Google or Nextdoor specific to Justin and surrounding Denton County communities. A reputable contractor will perform a detailed load calculation (Manual J) for your specific home—not just recommend the same size unit—and provide a written, itemized quote that includes warranty details on both parts and labor.

5Why is my HVAC system running constantly during a Justin summer, and is this normal?

During extended periods of extreme heat (common with consecutive days over 100°F), it is normal for your system to run nearly continuously in the afternoon to maintain your set temperature. However, if it runs non-stop without adequately cooling the home or struggles to bring the temperature down more than 15-20 degrees from the outside temperature, it may indicate an issue like low refrigerant, a dirty coil, or an undersized system that requires professional diagnosis.