Dallas-Fortworth, Texas

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Troubleshooting Common Issues

Quick Solutions Before You Call for Service

At Sonny Renna, we’re always ready to help—but some HVAC issues can be resolved with a few simple checks. Use this guide to troubleshoot common heating and cooling problems before scheduling a service call.

❄️ AC Not Cooling Properly
Possible Causes:

Dirty air filter

Thermostat set incorrectly

Blocked or dirty condenser unit

Low refrigerant levels
What You Can Do:

Replace the air filter

Set the thermostat to “Cool” and check the temperature setting

Clear debris around the outdoor unit

If the issue continues, contact us for a refrigerant check

🔥 Heater Not Warming Enough
Possible Causes:

Clogged filter

Thermostat issue

Pilot light or ignition problem
What You Can Do:

Change the filter

Make sure the thermostat is set to “Heat”

If the pilot light is out, follow safety instructions to relight it—or call us for help

TESTIMONIALS

What our customers say about us

Our trusted brand partners we work with

Comfort Guaranteed, Quality Delivered. 

Our Guarantee

At Sonnyreena Mechanical LLC,

we believe exceptional service isn't complete without complete peace of mind. That's why we back every job—installation, repair, or maintenance—with our comprehensive, customer-focused guarantee. If you encounter any issues or feel our work doesn't meet your expectations, our family-oriented team promises to address it swiftly and thoroughly, at no additional cost. Our guarantee isn't just a policy; it reflects our unwavering commitment to quality, reliability, and customer satisfaction, ensuring your comfort and trust every time. 

Service Areas

Sonnyreena Mechanical proudly serves Dallas, Fort Worth, Arlington, Plano, Irving, Garland, Frisco, McKinney, Denton, Grand Prairie, and surrounding communities.

Dallas, TX, USA

We're not putting on airs - our work is guaranteed to satisfy.

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