Maxum Heating & Air Conditioning delivers professional heating, cooling, and HVAC services 24/7 across Brooklyn and all of New York City. Licensed, insured, and ready when you need us most.
No heat in winter or no AC in summer? Our emergency HVAC team is available around the clock – 365 days a year – to restore your comfort fast. Same-day service available.
About Us
Maxum Heating & Air Conditioning is a full-service HVAC contractor based at 3440A Atlantic Ave, Brooklyn, NY 11208. We have built our reputation on honest workmanship, transparent pricing, and rapid response times. Whether it's a routine tune-up, a complex VRF system installation, or an urgent after-hours breakdown, our factory-trained technicians get the job done right the first time.
We serve residential and commercial clients throughout Brooklyn and all five boroughs of New York City. From ductless mini-splits to central air, steam boilers to commercial refrigeration, no HVAC job is too big or too small for our experienced team.
Licensed & Insured in NYS
Available 24 Hours, 7 Days
All Major Brands Serviced
Need an estimate? Call us today – free quotes, no pressure.
Call (646) 906-8294Our Services
From routine maintenance to full system replacements, Maxum provides installation, maintenance, and repair for all types of HVAC and refrigeration equipment.
Install, repair & maintain ductless mini-split systems for single-room and multi-zone comfort control.
Multi-zone systems for precise independent temperature control in every room of your home or business.
Variable Refrigerant Flow systems for energy-efficient commercial and large residential deployments.
Full central AC installation and repair for residential and commercial properties throughout NYC.
Service and installation of water-source AC units, chiller systems, and package rooftop units.
Energy-efficient heat pump installation and repair – heating and cooling in a single versatile system.
PTAC unit service and wall-mounted AC installation for apartments, hotels, and commercial spaces.
Commercial HVAC solutions for retail, restaurants, offices, and industrial facilities across New York.
Expert gas and electric furnace installation, maintenance, and repair to keep your home warm all winter.
Steam boilers, hydronic boilers, and combi-boiler installation and repair for NYC heating systems.
Tank and tankless water heater installation, repairs, and replacement for homes and businesses.
Radiant floor heating installation and service for the ultimate in comfort and energy efficiency.
Installation, service, and repair of walk-in boxes for restaurants, grocery stores, and food warehouses.
Commercial ice machine installation, preventive maintenance, and fast repair service in NYC.
Refrigerated display cases, reach-in coolers, prep tables, and undercounter refrigeration drawers.
Bar refrigeration, restaurant coolers, and commercial ice cream freezers – service and installation.
Why Choose Us
When your heating or cooling system fails, you need a contractor you can count on. Maxum HVAC has earned the trust of thousands of Brooklyn and NYC residents and businesses with expert service, fair pricing, and an unmatched commitment to customer satisfaction.
Licensed & fully insured HVAC contractor in New York State
Same-day and emergency service, 24 hours a day, 7 days a week
Factory-trained technicians certified on all major HVAC brands
Transparent flat-rate pricing – no hidden fees or surprises
Residential & commercial HVAC and refrigeration expertise
Brands We Service
Our technicians are trained and certified to install, repair, and maintain equipment from every leading manufacturer in the industry.
Service Area
Based in East New York, Maxum Heating & Air Conditioning proudly serves homeowners and businesses across all five boroughs and surrounding communities. If you're in the Greater New York area, we've got you covered.
Not sure if we cover your area? Call us – we service all of New York City and surrounding counties. No travel fees within Brooklyn.
Testimonials
Hundreds of satisfied homeowners and businesses across NYC trust Maxum HVAC for all their heating and cooling needs.
"Our boiler broke down on the coldest night of the year. Maxum sent a technician within an hour and had us back up and running before midnight. Incredible service – I can't recommend them enough!"
"Maxum installed a new ductless mini-split system in my restaurant. The team was professional, fast, and the price was very fair. My dining room is perfectly comfortable now. Highly recommend!"
"I've been using Maxum for my annual HVAC maintenance for 3 years. They're always on time, thorough, and honest. Last spring they found a small refrigerant leak early and saved me from a costly summer breakdown."
Contact Us
Ready to schedule service or need an emergency repair? Fill in the form or call us directly. We respond quickly and offer free estimates on all installations.
3440A Atlantic Ave, Brooklyn, NY 11208
info@maxumhvac.com
Open 24 Hours, 7 Days a Week