Business Overview
Hennessy HVAC is a locally owned and operated heating, air conditioning, and plumbing service based in Sugar Hill, Georgia. Founded by Hennessy and his wife Anna, the business is built on a foundation of family tradition and technical expertise, with Hennessy having completed his degree at Gwinnett Technical College. They bring years of hands-on experience to every job, from HVAC system installations and repairs to comprehensive plumbing services like drain work, faucet fixes, and water heater maintenance. Their mission is to provide reliable, honest service to the Sugar Hill community, ensuring residents have a trusted partner for their home comfort and plumbing needs. Committed to clear communication and quality workmanship, Hennessy HVAC invites locals to call for quotes and welcomes feedback through reviews.
Key Services
- Sink installation
- Sump pump repair
- HVAC system repair
- Drain installation
- Water heater repair
- Water pipe repair
- Garbage disposal repair
Common Questions
What should I do if my smart thermostat isn't connecting properly to my HVAC system in Sugar Hill?
Smart thermostat connection issues are common here, often due to incorrect wiring during installation or compatibility problems with older HVAC units. At Hennessy HVAC, we start by diagnosing the specific cause—whether it's the thermostat settings, wiring, or your system's age. We provide repair or reinstallation services to ensure your thermostat communicates correctly with your HVAC, helping you maintain efficient temperature control and potentially lower energy bills in Sugar Hill's climate.
How can I tell if my HVAC system in Sugar Hill needs repair or replacement?
Signs your HVAC system may need attention include uneven heating or cooling, unusual noises, frequent cycling, or rising energy bills. As a local business with expertise from Gwinnett Technical College, Hennessy HVAC offers thorough inspections to assess your system's condition. We'll recommend repair options like fixing components or, if necessary, a full replacement, always prioritizing solutions that fit your home's needs and budget in the Sugar Hill area.
Do you handle emergency plumbing repairs for issues like burst pipes or clogged drains in Sugar Hill?
Yes, we provide emergency plumbing services for urgent problems such as burst pipes, severe drain clogs, or malfunctioning sump pumps. With years of combined HVAC and plumbing experience, Hennessy HVAC responds promptly to protect your home from water damage. We repair or replace damaged pipes, drains, and fixtures, ensuring reliable service to keep your plumbing system functioning smoothly in Sugar Hill.
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: | 12:00 AM - 12:00 AM (Next day) |
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