★ For Businesses on Long Island

Commercial HVAC & Plumbing Services on Long Island

Q: How do I get a quote for commercial HVAC work?

Contact us for a free, no-obligation assessment of your building's needs and a clear estimate before any work begins.

Built for uptime. When your heat goes down on a Monday morning or your walk-in cooler fails on a Saturday, downtime costs money. Domino Fuel keeps Long Island businesses running with licensed commercial HVAC, plumbing, and oil tank service. Same family. Same trucks. Same neighbors since 1981.

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★★★★★

Licensed & Insured

Fully credentialed for commercial work

24/7 Response

Emergency service when you need it

All Property Types

Offices, retail, multi-family, more

Maintenance Contracts

Predictable pricing, fewer surprises

Commercial Capability

Comprehensive Commercial Mechanical & HVAC Services

Domino Fuel handles the full stack of commercial mechanical work: heating, cooling, water heating, plumbing, and oil tanks. One number to call, one team that knows your building, one invoice at the end of the month.

What we work on

Heating: commercial boilers, furnaces, burner service, heat pumps, oil-to-gas conversions, controls and thermostats.

Cooling: rooftop units, split systems, mini-splits, walk-in coolers and freezers, refrigerant work, preventive maintenance.

Plumbing: water heaters, tankless systems, sump pumps, drain cleaning, leak repair, code-compliant installs.

Oil tanks: commercial tank installation, replacement, abandonment, leak repair, certificates, spill cleanup.

Fuel delivery: COD, automatic, emergency, and same-day heating oil and diesel delivery for commercial accounts.

Request Service Call (631) 779-3196

Since 1981 Domino Fuel commercial HVAC technicians servicing a Long Island business

Why businesses choose Domino Fuel.

One vendor for HVAC, plumbing, and oil
24/7 emergency response, no answering services
Trucks stocked with parts for one-visit repairs
Free, no-obligation estimates on new projects
Custom maintenance contracts and service plans
Family-owned, locally operated since 1981

Industries We Serve

Commercial Property Sectors We Serve Across Long Island

Whether you run a single storefront or a portfolio of commercial properties, our team has the licensing, fleet, and experience to keep your systems running.

Office & Professional

Offices & Coworking

Comfort-critical environments where downtime costs billable hours. Tenant complaints fixed fast.

Retail

Retail & Storefronts

Walk-in customers, big plate glass, and HVAC that has to work harder. We keep your space comfortable and your storefront open.

Food Service

Restaurants & Cafes

Walk-in coolers, line refrigeration, makeup air, kitchen exhaust, water heating. We work around your hours.

Residential Property

Multi-Family & Apartments

Central boilers, common-area HVAC, tenant water heaters, oil tanks. Predictable service for landlords and property managers.

Education

Schools & Daycares

Larger systems, tighter budgets, stricter compliance. We work weekends and holidays so the school day isn't disrupted.

Healthcare

Medical & Senior Care

Reliability matters most where patients live and work. 24/7 priority response for medical and senior care facilities.

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Maintenance Contracts

Commercial HVAC Maintenance Contracts & Service Plans

Our commercial maintenance contracts cover scheduled tune-ups, priority dispatch, discounted parts and labor, and predictable monthly or annual billing.

Scheduled Tune-Ups

Bi-annual or quarterly visits so equipment runs efficiently and breakdowns drop year over year.

Priority Dispatch

Contract customers get queue priority when emergencies happen. We arrive first.

Repair Discounts

Discounted labor rates and parts on any repair work outside the standard contract scope.

Predictable Billing

Monthly or annual billing with clear scope. No surprise invoices, no scrambling for budget approvals.

FAQ

Frequently Asked Questions

Answers Long Island business owners ask us most about commercial HVAC.

1Do you provide commercial HVAC service on Long Island?

Yes. We install, service, and repair heating and cooling systems for Long Island businesses across Suffolk and Nassau County.

2What types of commercial properties do you serve?

We work with offices, retail spaces, restaurants, multi-unit buildings, and other small to mid-size commercial properties.

3Do you offer emergency commercial HVAC repair?

Yes. We offer emergency service so a heating or cooling failure does not keep your business down for long.

4Can you service rooftop units and commercial boilers?

Yes. Our technicians service a wide range of commercial equipment, including rooftop units, commercial boilers, and split systems.

5Do you offer maintenance contracts for businesses?

Yes. Scheduled maintenance keeps commercial equipment efficient and reliable and helps avoid costly downtime. Ask about a plan for your property.

6How do I get a quote for commercial HVAC work?