(281) 630-1129

mjsairconditioning.com
mjsairconditioning.com
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      • AC & HEATING REPAIR
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(281) 630-1129


  • Home
  • Services
    • AC & HEATING REPAIR
    • AC & HEATER INSTALLATION
    • AC Maintenance
    • Indoor Air Quality
  • Contact
  • BOOK NOW
  • About

AC & HEATING repair

Call Now

Experienced Technicians you can trust.

air conditioning repair

air conditioning repair

air conditioning repair

  • AC not cooling
  • Warm air coming from vents
  • Strange noises or smells
  • System won't turn on

Call for AC Repair

heating repair

air conditioning repair

air conditioning repair

  • Heater not working
  • Uneven heating
  • Strange smells
  • Frequent cycling

Call for Heating Repair

LICENSED • INSURED • LOCAL • FAST RESPONSE SERVICE • 24/7 EMERGENCY REPAIR • FINANCING AVAILABLE •

LICENSED • INSURED • LOCAL • FAST RESPONSE SERVICE • 24/7 EMERGENCY REPAIR • FINANCING AVAILABLE •

LICENSED • INSURED • LOCAL • FAST RESPONSE SERVICE • 24/7 EMERGENCY REPAIR • FINANCING AVAILABLE •

LICENSED • INSURED • LOCAL • FAST RESPONSE SERVICE • 24/7 EMERGENCY REPAIR • FINANCING AVAILABLE •

LICENSED • INSURED • LOCAL • FAST RESPONSE SERVICE • 24/7 EMERGENCY REPAIR • FINANCING AVAILABLE •

LICENSED • INSURED • LOCAL • FAST RESPONSE SERVICE • 24/7 EMERGENCY REPAIR • FINANCING AVAILABLE •

COMMON HVAC PROBLEMS WE FIX

AC NOT COOLING

HEATER NOT TURNING ON

HEATER NOT TURNING ON

Your AC is running but not keeping your home cool—often due to refrigerant, airflow, or compressor issues.

HEATER NOT TURNING ON

HEATER NOT TURNING ON

HEATER NOT TURNING ON

If your heater won’t start, it could be a thermostat, ignition, or electrical problem that needs quick attention.

REFRIGERANT LEAKS

HEATER NOT TURNING ON

REFRIGERANT LEAKS

Low refrigerant levels reduce cooling efficiency and can damage your system if not addressed promptly.

THERMOSTAT ISSUES

ELECTRICAL PROBLEMS

REFRIGERANT LEAKS

A faulty thermostat can lead to inconsistent temperatures or systems not turning on at all.

WEAK AIRFLOW

ELECTRICAL PROBLEMS

ELECTRICAL PROBLEMS

Poor airflow can make your system work harder and leave rooms uncomfortable, often caused by clogged filters or duct issues.

ELECTRICAL PROBLEMS

ELECTRICAL PROBLEMS

ELECTRICAL PROBLEMS

Wiring, capacitor, faulty breakers or other electrical issues can prevent your HVAC system from running safely and reliably.

REPAIR OR REPLACE? WE'LL HELP YOU DECIDE

If your system is over 10–15 years old, constantly breaking down, or driving up energy bills, we’ll recommend the most cost-effective option for your home or business.

With over 35 years of serving homeowners across Houston, we bring the experience and knowledge to guide you from repair to full system replacement. If your AC or heating system needs more than a fix, we’ll inspect your unit and property, provide honest recommendations, and help you choose the best option for long-term comfort and savings.


Think it might be time to upgrade? Call us for a free inspection and see how we can help you save.

HVAC REPLACEMENT & INSTALLATIONCALL TO SCHEDULE AN INSPECTION
  • Home
  • AC & HEATING REPAIR
  • AC & HEATER INSTALLATION
  • AC Maintenance
  • Indoor Air Quality
  • Contact
  • BOOK NOW

MJS AC & HEATING LLC

19407 Park Row Blvd. Katy, TX 77084

+1.2816301129

Copyright © 2026 MJS AC & HEATING LLC - All Rights Reserved.

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