Rated as One of the Top HVAC Companies
Quality HVAC and Mechanical Services - Woman-Owned and Family-Run HVAC Services Since 2016
Founded in 2016, Quality HVAC and Mechanical Services is a trusted provider of heating, ventilation, and air conditioning (HVAC) services, committed to delivering comfort and quality to both residential and commercial clients. As a woman-owned and family-run business, we take pride in offering personalized, customer-focused service grounded in our strong family values and dedication to hard work.Our story began when Nichole Manansala, with a vision to provide high-quality HVAC services, teamed up with her husband, Demetrius Manansala, the company's president. With over 22 years of hands-on experience in the HVAC industry, Demetrius brought his expertise to the business, while Nichole brought her entrepreneurial spirit and commitment to customer care. What started with just one truck and a dream has now grown into a successful business that serves both residential and commercial customers.
Today, we're proud to offer a full range of HVAC services—from installations and repairs to routine maintenance and emergency solutions—for both homes and businesses. Our team uses the latest technology and high-quality products to ensure your HVAC systems run smoothly, whether it's for your home, office, or commercial property.
As a woman-owned business, we are also passionate about empowering women in the industry, creating a welcoming and inclusive environment where all team members can thrive. Our family-oriented approach makes us a trusted name in the HVAC field, and we pride ourselves on treating each customer like part of the Quality HVAC and Mechanical Services family.
Whether you need residential or commercial HVAC services—repairs, installations, or maintenance—Quality HVAC and Mechanical Services is here to provide expert service backed by decades of experience and a commitment to excellence.
We are ....
- - A Carrier factory-authorized HVAC dealer
- - The oldest Carrier dealer and contractor in Area
- - Local First Member
- - A BBB-accredited business with an A+ rating
- - Winner of Angie’s List Super Service Award
- - Lowcountry Local First member
- - We are 24 trucks strong and growing
- - 100% NATE Certified Service Department
- - Available for 24-hour emergency HVAC service

Our Motto : Take Action in Daily Situations to Ensure Our Client Is Well-Informed and Pleased
At Quality HVAC and Mechanical Services, you’ll find that you not only receive superior service but that someone is always reachable when you need us. To us, that’s all part of “Making it Happen.” Call us today to find out how we can help you with all of your HVAC needs.
Trust Our Team of Experts
Our team utilizes the latest HVAC technologies, while at the same time maintaining our sense of family values when servicing your home.
What Our Client Says
Ductless Heating and A/C services
Can’t say enough about Demetrius and his team! Had a 3 ton Mini Split installed in our 4 car garage seamlessly. Highly recommend for awesome customer service and quality of work, thanks guys!
Justin Combs
Completely Satisfied.
Dominick and Demetrius were both fantastic! They were both professional, kept the area clean and kept me informed of what was going on. They got my furnace fixed and save me from having to replace the whole thing.
Heather Rogers
Professional attitude.
Thank you so much to Quality HVAC!!! Your technician was awesome!! He was on time, professional and explained everything that was going on in words I could understand. He offered helpful tips and suggestions to help keep my house comfortable. I highly recommend Quality HVAC!
Shannon Lucarelli
Responsiveness, Quality, Professionalism
Reached out this morning and was able to get an appointment for a little later the same morning. Dominick Manansala was able to troubleshoot our issue based on sound and had a fix applied very quickly.
Phillip Mechem
Review buzz
Quality HVAC Mechanical Services provides top-tier service. They are always on time and super communicative with appointments. Dominick Manansala is always super professional, patient to answer my numerous questions, and makes sure all of my needs are met before leaving the appointment. I cannot recommend them enough!
Adam Bullock
We Service All Makes & Models





