Our Story
Q-Star Mechanical is a trusted HVAC company based in Marietta, GA, specializing in heating and air conditioning services tailored to the local climate. We understand the common challenges Marietta homeowners face, such as heat pump reversing valve malfunctions and the strain that high humidity puts on cooling systems. Our certified technicians provide expert diagnostics and repairs for reversing valve issues, ensuring your heat pump switches efficiently between heating and cooling modes. To combat the area's high humidity, we offer precision tune-ups, system balancing, and recommendations for enhanced dehumidification solutions, helping your HVAC system run more effectively and improving your home's comfort year-round. We're your local partner for reliable, efficient climate control.
Q&A
Why does my Marietta heat pump struggle to switch between heating and cooling, and how can Q-Star Mechanical help?
This is often a sign of a failing reversing valve, a common issue in our area due to the frequent cycling between seasons. Our technicians specialize in diagnosing and repairing reversing valve problems. We'll precisely test the valve's operation, check for refrigerant issues, and perform the necessary repair or replacement to restore your heat pump's proper function, ensuring reliable comfort all year.
How can I improve my HVAC system's efficiency against Marietta's high humidity?
High humidity forces your AC to work harder. Q-Star Mechanical helps by performing comprehensive system tune-ups that include checking refrigerant levels, cleaning coils, and ensuring proper airflow—all critical for effective dehumidification. We can also assess if your system is correctly sized and balanced for your home, and discuss options like variable-speed fans or whole-house dehumidifiers to significantly improve comfort and efficiency.
What HVAC maintenance is most important for Marietta homes to prevent common local problems?
Twice-yearly maintenance is key. Before summer, we focus on cleaning components and ensuring optimal cooling and dehumidification. Before winter, we check the heat pump's reversing valve operation and heating performance. This proactive care from your local experts at Q-Star Mechanical helps catch small issues—like a sticky reversing valve or reduced airflow—before they lead to major breakdowns, saving you money and maintaining comfort through our specific seasonal challenges.
Service Capabilities
- HVAC installation or replacement
- HVAC system repair
Business Location & Hours
| Mon: | Open 24 hours |
| Tue: | Open 24 hours |
| Wed: | Open 24 hours |
| Thu: | Open 24 hours |
| Fri: | Open 24 hours |
| Sat: | Open 24 hours |
| Sun: | Open 24 hours |







