The Best HVAC in Mercedes, TX

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

#1

Rio Grande Valley Climate Control

4.8
(127 reviews)
Verified

A premier HVAC contractor specializing in high-efficiency cooling systems crucial for the extreme South Texas heat. They offer comprehensive installation, repair, and maintenance services for all major brands, with a strong focus on energy-efficient solutions to help manage high summer electricity bills. Their technicians are NATE-certified and highly experienced with the specific demands of the local climate.

450 S Texas Avenue, Mercedes, TX 78570

Specialties & Features

24/7 Emergency AC Repair
High-Efficiency HVAC Installation
Humidity Control Systems
Preventive Maintenance Plans

Business Information

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

Mercedes Air Experts

4.6
(94 reviews)
Verified

A locally-owned and operated HVAC company known for its reliable and fast emergency repair services. They excel in servicing both residential and light commercial systems, with deep expertise in heat pump systems and furnace repair for the occasional winter cold snap. They are a Carrier Factory Authorized Dealer, ensuring top-quality equipment and technical support.

112 W 2nd Street, Mercedes, TX 78570

Specialties & Features

24/7 Emergency Service
Carrier Equipment Specialist
Furnace and Heat Pump Repair
Duct Cleaning and Sealing

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

Lone Star AC & Heating

4.5
(83 reviews)
Verified

Provides a wide range of HVAC services with a strong reputation for honesty and thorough maintenance tune-ups. They are particularly skilled in ductwork design and installation, addressing common issues in Valley homes like poor airflow and leakage. They offer free energy audits and specialize in retrofitting older systems for better performance and efficiency.

789 W Business 83, Mercedes, TX 78570

Specialties & Features

Ductwork Design and Installation
HVAC System Retrofits
Senior Discounts
Comprehensive Maintenance Agreements

Business Information

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

Why These Are the Top HVAC Contractors in Mercedes

The HVAC market in Mercedes, TX, is driven by a hot, humid subtropical climate. Summers are long and intense, placing extreme demand on air conditioning systems for most of the year. This creates a high volume of service calls for AC repairs and replacements. Winters are mild but can have brief cold spells, necessitating functional heating systems. The local market is competitive with several family-owned operations, and the top providers distinguish themselves with 24/7 emergency service, expertise in humidity control, and a focus on energy efficiency to combat high cooling costs. Reliability and fast response times during peak summer heat are critical factors for consumers.

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 Mercedes regulations and climate

Frequently Asked Questions About HVAC in Mercedes

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

1How much should I expect to pay for a new air conditioner installation in Mercedes, TX?

For a standard, properly sized central AC unit for a typical Mercedes home, installation costs generally range from $5,000 to $12,000. The final price depends heavily on the unit's efficiency (SEER rating), your home's square footage, and the complexity of the ductwork. Given our extreme South Texas heat, investing in a higher SEER-rated unit (16+) can offer significant long-term savings on your energy bills, despite a higher upfront cost.

2When is the best time to schedule HVAC maintenance or replacement in Mercedes?

The absolute best time is during the spring (February-April) or fall (October-November), before the peak demand of summer and winter. Scheduling during these milder seasons ensures you get timely service and avoids emergency breakdowns during a heatwave. For replacements, planning ahead in spring allows for a smoother installation before the 100+ degree summer temperatures arrive, when HVAC companies are busiest with emergency repairs.

3Are there any local regulations or rebates in Mercedes for HVAC work I should know about?

While most permitting is handled at the city level, reputable HVAC contractors in Mercedes will know and pull any required local permits for major installations. More importantly, you should ask your provider about available rebates; while Texas has no statewide program, your local utility provider (like AEP Texas) often offers rebates for upgrading to high-efficiency systems, and federal tax credits for certain ENERGY STAR® qualified heat pumps and air conditioners may apply.

4What should I look for when choosing an HVAC company in the Mercedes area?

Prioritize companies that are locally owned, licensed, insured, and have strong, verifiable reputations for serving the Rio Grande Valley long-term. They should perform a detailed Manual J load calculation specific to our humid, hot climate to correctly size your system. Always check for Texas Air Conditioning & Refrigeration License (TACLA) and read local Google or Facebook reviews to gauge their responsiveness, especially during our brutal summer months.

5Why does my HVAC system seem to run constantly in the summer, and is this normal for Mercedes?

Given Mercedes' consistently high temperatures and intense humidity from May through September, it is normal for your system to have long run cycles, especially during the peak afternoon heat. However, if it never shuts off or cannot maintain a set temperature (e.g., 78°F), it may indicate an undersized unit, low refrigerant, dirty coils, or inadequate insulation. A professional tune-up can identify if the constant running is due to our extreme climate or a system deficiency.