


Comfort. Reliability. Innovation.

Years of HVAC Excellence in Northern NJ
Satisfied Homeowners & Businesses
5-Star Google Reviews - Local Favorite
Proudly Serving Cliffside Park & Bergen County Communities
For over 40 years, Cliffside Park families and businesses have turned to Advanced Mechanical Services for dependable heating, cooling, and air quality solutions. As a family-owned company serving Bergen County since 1985, our NATE-certified technicians bring proven expertise to every service call from our nearby Ridgefield location at 350 Broad Ave.
We've earned the trust of local residents through 1,894+ successful installations, maintaining 954+ systems, and achieving a 98% customer satisfaction rate with round-the-clock emergency support and budget-friendly financing options.
Finding a contractor who knows your community and consistently delivers results makes all the difference.
Our founders Jack Mulligan and Elaine Costa established this family business in 1985 on the foundation of reliable service and skilled workmanship. Four decades of serving Bergen County means we know exactly what Cliffside Park homes and businesses need, whether facing summer humidity or winter cold snaps.
Every one of our 10+ technicians holds NATE certification and maintains current knowledge of evolving HVAC technologies and methods. Fully licensed and insured, our team approaches each installation and repair with the same level of care we'd want for our own properties.
Around-the-clock emergency service ensures Cliffside Park residents never go without heating or cooling when they need it most. Most of our installations wrap up within 1 to 2 days, and our crews show up when scheduled, complete quality work, and leave your space clean.
Straightforward pricing without surprise charges has always been our approach. Before work begins, you'll receive a free 30-minute consultation and complete estimate. Between flexible financing plans and rebates from $100 to $2,500, professional service fits within your financial comfort zone.
Our track record includes 95+ five-star Google reviews and a 98% customer satisfaction rate because we deliver on commitments. Each technician on our team approaches every job with the goal of not just meeting but surpassing what you expect.

Our heating, cooling, and indoor air quality services are customized to fit your property's unique requirements.

Central Air Conditioner Installation & Replacement
Mitsubishi Ductless AC Systems
AC Repair & Maintenance
Dual Fuel System Installation
Zone Control Systems
All major brands receive expert service from our technicians, and emergency repairs happen the same day your cooling fails during Cliffside Park's peak summer heat.

Air Duct Cleaning & Testing
Air Filtration & Purification Systems
Humidifiers & Dehumidifiers
UV Germicidal Lights
Heat & Energy Recovery Ventilators
Professional indoor air quality services safeguard your family's health by eliminating allergens, maintaining proper humidity, and delivering consistently cleaner air in every room.
Commercial HVAC Installation & Replacement
Chiller Services for All Sizes
Preventive Maintenance Programs
Emergency Commercial Repair
Rooftop Unit Service
Building Automation Systems
Whether your Cliffside Park business operates from a compact storefront or a multi-story building, our licensed contractors provide dependable, regulation-compliant solutions that maintain uninterrupted operations.

Furnace Installation, Repair & Replacement
Boiler Services
Heat Pump Systems
Radiant Heating Systems
Ductless Heating Systems
Emergency Heating Repair
Every heating system we install includes comprehensive warranty coverage, with special focus on Coleman® systems, America's only HVAC manufacturer still fully assembled domestically, protected by our exclusive 10-year parts and labor warranty.
Hot, humid summers combined with cold winters throughout Cliffside Park require systems built to handle both seasonal extremes.
Summer months bring temperatures into the upper 80s and 90s paired with heavy humidity throughout Cliffside Park. Each installation we complete accounts for your property's specific cooling requirements, guaranteeing reliable performance when outdoor conditions reach their most challenging.
Winter temperatures dropping into the low 20s make dependable heating essential for both safety and daily comfort. Our recommendation for Cliffside Park properties includes heat pumps paired with backup heating, maximizing efficiency during moderate temperatures while ensuring warmth during severe cold.
Year-round system operation across all four seasons makes energy efficiency critical for Cliffside Park households. Our focus on high-efficiency equipment cuts energy waste while preserving comfort levels, directly reducing what you spend on monthly utilities.
Installation quality directly impacts how efficiently your system runs, how long it lasts, and how often it needs repairs. Every installation our NATE-certified contractors complete adheres to local regulations and manufacturer requirements without exception.
Catching warning signs before they turn into major failures protects your comfort and your budget.
Equipment that starts but fails to properly heat or cool spaces, creates temperature differences throughout your home, or displays thermostat readings that don't reflect actual conditions are all signal problems. Heat pumps or air conditioners freezing during any season and heating systems that cycle on and off too frequently require professional attention.
Mechanical issues reveal themselves through grinding, squealing, or banging noises, while worn parts cause noticeable increases in vibration. When your system produces unusual odors at startup or you hear hissing that suggests refrigerant or gas leaks, immediate professional service becomes necessary.
Energy bills climbing without corresponding changes in how you use your system typically mean the equipment works harder than it should. Systems more than 10 years old needing repeated repairs, running continuously without reaching set temperatures, or showing rust, corrosion, or moisture accumulation around components waste your money.
Pilot light flames burning yellow rather than blue signal dangerous carbon monoxide conditions requiring immediate expert response. Circuit breakers that trip repeatedly when your HVAC operates, physical damage visible on outdoor equipment, or ice forming on refrigerant lines represent safety issues that demand professional evaluation.
Contact our contractors for prompt, accurate assessment and straightforward recommendations about repair or replacement options.
Answers to frequently asked questions from our Cliffside Park customers.
A: Search for contractors who maintain proper licensing, carry insurance, hold NATE certifications, and demonstrate strong customer feedback. Our 40+ years serving Cliffside Park, 95+ five-star Google reviews, NATE-certified team, and 98% customer satisfaction rate reflect our commitment to quality.
A: Installation costs depend on equipment type and property size. Typical furnace installations fall between $3,500 and $8,000, while central air conditioning ranges from $3,000 to $7,000. Free consultations include detailed, transparent estimates, and you can access rebates worth $100 to $2,500 plus flexible financing.
A: Yes. Round-the-clock emergency service covers all of Cliffside Park and Bergen County. Call (201) 886-2900 whenever you need immediate help.
A: Professional maintenance twice each year works best: spring tune-ups for cooling equipment and fall inspections for heating systems. Our $15.95/month maintenance plan covers annual inspection, thorough cleaning, priority scheduling, 15% savings on all services, and waived overtime charges.
A: Our technicians handle all major brands including Coleman, Carrier, Trane, Lennox, Rheem, Goodman, and York. Coleman® systems receive special attention with our exclusive 10-year parts and labor warranty.
A: Yes. Contemporary heat pumps, particularly dual-fuel configurations combining heat pump technology with gas backup, perform efficiently throughout Cliffside Park's seasonal variations. They deliver optimal performance during moderate weather and transition automatically to gas heat when temperatures drop significantly.
A: Most installations finish within 1 to 2 days. Straightforward equipment replacements typically complete in a single day, while comprehensive system upgrades may require two days.
A: Yes. Multiple financing options with competitive terms make quality equipment accessible. We help clients access available rebates through manufacturers, utility providers, and government programs, frequently totaling $100 to $2,500.

Looking for a reliable HVAC company in Northern New Jersey? AMS proudly serves Paramus and the surrounding region with expert heating, cooling, indoor air quality, and energy-efficiency solutions.

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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