When the Heat Goes Out,
We Show Up.
The Tri-State region's most trusted mechanical contractor—75+ years of combined experience in emergency boiler rental, installation & service.
24/7 Emergency Service
We operate around the clock, 365 days a year. When your building loses heat, every minute counts—and we move fast.
75+ Years Experience
Our leadership team brings over 75 years of combined expertise in commercial and industrial boiler systems.
Trusted by NYC
NYCHA, school districts, government agencies, and major property managers rely on Big City Boilers.
Rapid Response
We've delivered temporary boiler solutions in as little as 5 hours. When it's an emergency, we don't wait.
Our Services
From emergency boiler rentals to full-scale installations, we deliver heating solutions you can count on.
Boiler Installation
Commercial and industrial boiler installations, from planning through commissioning.
Boiler Rentals
Mobile boiler rentals for temporary heating—steam, hot water, and hydronic systems.
Service & Repair
Emergency and routine boiler maintenance, diagnostics, and repair services.
Custom Fabrication
Specialized fabrication for boiler systems tailored to your building's unique requirements.
HVAC Services
Year-round comfort solutions including heating, ventilation, and air conditioning.
Rigging Services
Heavy equipment rigging and installation support for complex mechanical projects.
Oil Tank Rentals
Temporary oil storage solutions to keep your systems fueled during any project or emergency.
Engineering Services
Design, consulting, and technical solutions from our experienced engineering team.
Reliable. Responsive. Ready.
Serving the Tri-State region with pride, Big City Boiler & Mechanical, LLC is a top mechanical contractor specializing in short-term boiler rentals for domestic hot water, steam heat, and hydronic systems. Our leadership team's combined 75 years of industry experience deliver unparalleled knowledge, dependability, and rapid response when you need it most.
- Licensed & Insured
- 24/7 Emergency Response
- Tri-State Area (NY, NJ, CT)
- NYCHA Certified Contractor
- Mobile Boiler Fleet
- Custom Engineering Solutions
What Our Clients Say
"Our building was in need of a temporary boiler and we called Big City Boiler. Within 5 hours we had heat and hot water for our tenants, unbelievable."
"I contacted Big City Boilers for our construction project for temporary heat. They walked us thru the process and were very professional. It was a pleasure working with Ralph and his team. I would highly recommend them."
"Big City Boilers was amazing in helping us restore heat and hot water to our apartment building. I would recommend them because of their fast reliable service and reasonable pricing!"
"Our Company has used Big City Boilers on school projects over the years & they are extremely reliable and professional."
"We have rented mobile boilers from Big City Boilers for many years and are very satisfied with their fast response time and service."
Request a Quote or Call Now
Need Emergency Service?
Our team is on call 24/7/365. Don't wait—call now for immediate assistance.
(718) 721-7771 or (917) 578-0473Request Sent!
We'll be in touch within 1 hour. For emergencies, call (718) 721-7771 now.