National Gas & Oil Conversions: Rockville Centre's Trusted HVAC & Plumbing Team

When Rockville Centre, NY, homeowners need reliable heating, cooling, or plumbing help, they call National Gas & Oil Conversions. This local company provides essential home services for residents and businesses across Nassau County. Known for its 24/7 emergency availability, the team handles everything from routine maintenance to complex system conversions, ensuring comfort year-round.

Business Overview

National Gas & Oil Conversions operates with a focus on residential and light commercial properties. The company is built around being there when you need them most. With technicians on call around the clock most days, they respond quickly to broken furnaces in winter or failed air conditioning during a Long Island heatwave. Their crew is experienced, background-checked, and trained to work efficiently in local homes, from historic colonials in Garden City Park to modern builds in Oceanside.

Key Services for Homeowners

The company handles the core systems that keep a house running smoothly. Their main services include:

• HVAC Services: Full installation, replacement, and repair of heating and air conditioning systems. This includes furnaces, boilers, and central air units.
• System Conversions: A standout specialty is converting older oil heating systems to cleaner, more efficient natural gas.
• Plumbing & Water Heaters: Installation and repair for plumbing systems and water heaters, including tankless and combi-boiler units.
• Boiler Work: Expert installation and repair for both steam boilers and hot water systems, including upgrading from steam to baseboard heat.

Areas Served

National Gas & Oil Conversions proudly serves communities across southwestern Nassau County. Their primary service area includes Hempstead, West Hempstead, East Rockaway, Garden City Park, Lakeview, South Hempstead, Lido Beach, Bay Park, Bellerose Terrace, South Floral Park, Hewlett Harbor, North Haven, Oceanside, Baldwin, Rockville Centre, Lynbrook, Barnum Island, and East Hampton. They know the common building styles and utility setups in these neighborhoods, which helps them diagnose and fix problems faster.

Company History

The business was founded to meet a specific need on Long Island: helping homeowners transition from outdated, costly oil heat to modern natural gas. Over time, they expanded their skill set to include full HVAC service, plumbing, and water heater work. Their growth has been steady, driven by word-of-mouth referrals from satisfied customers in Rockville Centre, NY, and the surrounding towns. A unique feature is their close work with local contractors to handle all required permits and legalizations, making renovation projects smoother for homeowners.

Leadership & Local Presence

The owner and lead technicians have deep roots in the Long Island trades community. With years of hands-on experience, they understand the challenges local systems face, from salty coastal air affecting units in Lido Beach to the demands of older steam heat systems in Baldwin homes. They are active in local trade associations and prioritize hiring from the area, reinforcing their commitment to the community.

Specialties & Highlights

What makes National Gas & Oil Conversions stand out?

• Oil-to-Gas Conversions: They are experts in switching homes from oil to natural gas heat, a popular upgrade for efficiency and cost savings.
• Full-System Expertise: They handle everything from the new gas line at the street to the final baseboard install inside your home.
• Permit & Legalization Help: They manage the paperwork and inspections for gas and plumbing work, providing peace of mind.
• Versatile Boiler Service: They install and repair both traditional steam boilers and efficient wall-hung combi-boilers that provide heat and hot water.

Why Locals Choose National Gas & Oil Conversions

Residents in Rockville Centre, NY, and across Nassau County choose this company for its straightforward reliability. They offer clear explanations, upfront pricing, and quality workmanship. Their long-standing presence in the area means they’ve seen and solved most common local HVAC and plumbing issues. When you need a system installed, repaired, or converted, National Gas & Oil Conversions delivers the dependable service that Long Island homes count on.