TAS A/C & Heating - Mercedes's Licensed HVAC Services

Mercedes, TX 78570

(956) 314-9723

Core Services

  • HVAC installation or replacement
  • HVAC system repair

Frequently Asked Questions

What causes a clogged condensate drain, and how can TAS A/C & Heating fix it?

In our humid Mercedes climate, algae and mold naturally grow in your AC's moist drain line, causing clogs that can lead to water leaks and system shutdowns. TAS A/C & Heating specialists safely clear the blockage using specialized tools and can apply an algae-inhibiting treatment to help prevent future issues, protecting your home from water damage.

Why is my electricity bill so high, and can an HVAC tune-up in Mercedes really help lower it?

Yes, absolutely. High bills are often due to an AC system working harder than it needs to because of dirty coils, low refrigerant, or poor airflow. Our Mercedes-based team performs a precision tune-up that cleans critical components, checks refrigerant levels, and ensures optimal airflow. This reduces strain on your system, lowering energy consumption and your monthly cooling costs.

As a Mercedes homeowner, how often should I have my HVAC system serviced?

Given our long cooling season and demanding climate, we recommend professional maintenance twice a year—ideally in spring before peak summer heat and in fall before cooler weather. This proactive schedule from TAS A/C & Heating helps catch small issues like early drain clogs or efficiency losses before they become costly repairs or lead to high utility bills.

Local Business Description

TAS A/C & Heating is your trusted, local HVAC specialist serving Mercedes and the surrounding Rio Grande Valley. We understand the specific challenges Mercedes homeowners face, from clogged condensate drains causing water damage to high electricity bills from inefficient cooling systems struggling in our Texas heat. Our team provides comprehensive diagnostic, repair, and maintenance services to tackle these common problems head-on. By ensuring your system's drain lines are clear and your unit is running at peak efficiency, we help protect your home from water issues and reduce your monthly energy costs. We're committed to reliable, fast service to keep your family comfortable year-round.

Business Location & Hours



Mon:9:00 AM - 6:00 PM
Tue:9:00 AM - 6:00 PM
Wed:9:00 AM - 6:00 PM
Thu:9:00 AM - 6:00 PM
Fri:9:00 AM - 6:00 PM
Sat:9:00 AM - 6:00 PM
Sun:Closed


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