Our team of skilled professionals is the backbone of our exceptional HVAC services. From certified technicians to friendly customer service staff, each member brings expertise and dedication to every project. With a shared commitment to quality and customer satisfaction, we work together to deliver efficient, reliable, and cost-effective HVAC solutions that keep your home or business comfortable, no matter the weather. Trust our team to ensure your systems perform at their best!

Comfort. Reliability. Innovation.
HVAC Installation Technician
Years of experience: 15+ years on the trade
HVAC Engineer & Operations Manager
Years of experience: 40+ years on the trade
HVAC Installation Technician
Years of experience: 3+ years on the trade

Advanced Mechanical Services is a family-owned and locally operated HVAC company, built on decades of hands-on experience and a commitment to doing things the right way. Led by Elaine Costa and Jack Mulligan, our company has proudly served homeowners and businesses throughout Bergen County and Northern New Jersey with honest recommendations, skilled workmanship, and long-term comfort solutions. We believe customers deserve to know who they’re working with, not just what service they’re booking. That’s why our leadership stays directly involved in daily operations ensuring every installation, repair, and service call meets the same standards we’d expect in our own homes.
As an HVAC Technician, you'll be responsible for installing, maintaining, and repairing heating, ventilation, and air conditioning systems. If you have a passion for providing top-tier service and enjoy solving technical challenges, this role is for you!
Full-Time | Flexible Shifts
Our Customer Service Representatives play a key role in ensuring our clients receive outstanding support and guidance throughout their HVAC service journey. If you enjoy helping people and have excellent communication skills, we’d love to have you on board!
Full-Time | Monday - Friday
As an HVAC Installer, you’ll be responsible for installing HVAC systems in residential and commercial properties. Your attention to detail and commitment to quality will ensure that our systems are installed efficiently and meet the highest standards.
Full-Time | Weekdays with occasional weekends
We offer a full range of HVAC services, including system installation, maintenance, and repair for heating, ventilation, and air conditioning. Whether it's for residential or commercial properties, we provide tailored solutions to meet your specific needs.
To maintain optimal efficiency and extend the lifespan of your HVAC system, we recommend having it serviced at least once a year. Regular maintenance ensures your system operates smoothly and helps prevent costly repairs in the future.
You can improve energy efficiency by scheduling regular maintenance, replacing air filters regularly, sealing air leaks, and considering energy-efficient upgrades like programmable thermostats or high-efficiency units. Our team can offer specific recommendations based on your system and needs.
The average lifespan of an HVAC system ranges between 10 to 15 years, depending on factors like usage, maintenance, and the quality of the system. Regular servicing can help extend the lifespan of your unit.
Signs that your system may need repair or replacement include unusual noises, inconsistent temperatures, rising energy bills, or frequent breakdowns. Our technicians can evaluate your system and offer the best recommendation based on its condition.
Yes! We offer a variety of energy-efficient HVAC systems designed to reduce energy consumption while maintaining maximum comfort. We specialize in finding the best options for your home or business that align with your energy-saving goals.
Yes, we provide 24/7 emergency HVAC services for both residential and commercial customers. If your HVAC system breaks down unexpectedly, you can rely on us to respond quickly and get your system back up and running.4o mini
15% off all HVAC services
$39 service fee waived on completed work
Annual water heater flush + battery replacement
Comprehensive home safety and priority service.
Comprehensive Priority service

We’re committed to delivering reliable, energy-efficient HVAC solutions for every space. With a focus on quality and customer satisfaction, we ensure your comfort is always our top priority.
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