If your system is over 10–15 years old, constantly breaking down, or driving up energy bills, it may be time for an upgrade.
How to Know When It’s Time for a New HVAC System:
With over 35 years of serving homeowners and businesses across Houston, we bring the experience and knowledge to handle your HVAC installation the right way from start to finish. Whether you’re replacing an outdated system or installing a brand-new unit, our team will evaluate your home or property, recommend the best system for your needs and budget, and ensure a smooth, professional installation built for long-term comfort and efficiency.


High-efficiency systems reduce monthly costs.

Consistent temperatures throughout your home, cleaner air, and improved filtration.

Fewer breakdowns and repairs.
1. Free Inspection
We assess your current system and home layout
2. System Recommendation
We recommend the best unit for your needs and budget
3. Professional Installation
Installed by licensed, experienced technicians
4. Final Testing
We ensure everything runs efficiently before we leave

Don't let cost delay your comfort - we offer financing options to fit your budget.

MJS AC & HEATING LLC
19407 Park Row Blvd. Katy, TX 77084
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