DML & S Air Conditioning & Heating: Saint James NY's Trusted HVAC, Electrical, and Plumbing Expert

For over 40 years, DML & S Air Conditioning & Heating has been the go-to contractor for home comfort and repair needs across Long Island. Based in Saint James NY, this family-run company handles heating, cooling, electrical, and plumbing work for both houses and businesses. They are known for reliable, 24/7 emergency service, making them a dependable partner through every season.

Business Overview

DML & S Air Conditioning & Heating provides full-service HVAC, electrical, and plumbing solutions. The team works on residential and commercial properties throughout Nassau and Suffolk counties. As a small, family-owned operation, they focus on building direct relationships with customers. Their technicians are trained to handle everything from routine check-ups to urgent repairs, day or night.

Key Services

Homeowners and business managers rely on DML & S for a wide range of needs. Their services are grouped to make it easy for local customers to get help.

• HVAC Services: Installation, replacement, repair, and maintenance of heating and cooling systems. This includes energy-efficient solutions and ductless air conditioning.
• Electrical Services: Electrical inspections and repairs to keep homes safe and up to code.
• Plumbing Services: Plumbing inspections, repairs, and water pipe fixes to prevent leaks and water damage.

Whether it's a boiler replacement before a cold Long Island winter or an AC tune-up for a humid summer, they cover it.

Areas Served

DML & S Air Conditioning & Heating serves a wide area across Long Island. Their service towns include Smithtown, East Setauket, Brentwood, Coram, Commack, Central Islip, Shirley, Holbrook, Medford, and many more from Holtsville to Port Jefferson. Working in these communities for decades means they understand local housing styles, common system issues in older homes, and the specific climate demands of the North Shore and Suffolk County.

Company History

The company's story began in 1983 when the founder started the business. Today, his sons run DML & S Air Conditioning & Heating, continuing the family tradition in Saint James NY. They have grown by focusing on lasting customer relationships rather than rapid expansion. It's common for them to serve the same families for 30 years or more, a testament to their consistent work.

Leadership

The current owners, brothers with over 20 years of industry experience each, personally manage operations. They learned the trade from the ground up and now lead a team that shares their values. Being local, they are invested in the community's well-being. They make it a point to keep customers informed and involved in every service decision.

Specialties & Highlights

Several factors set DML & S apart from other contractors.

• They are a licensed Mitsubishi Electric Diamond Contractor, offering specialized ductless systems ideal for older Long Island homes or room additions.
• Their expertise spans three major trades: HVAC, electrical, and plumbing, so customers can often get multiple issues resolved with one trusted call.
• They provide full boiler service and replacements, a key need for Northeast heating systems.
• As a small family operation, communication is direct and accountability is high.
• Emergency service is available around the clock, providing peace of mind during heatwaves or frozen pipes.

Why Locals Choose DML & S Air Conditioning & Heating

Residents and business owners in Saint James NY and surrounding towns choose DML & S for simple reasons: reliability, quality, and a long-standing local presence. They aren't a faceless corporation. They are neighbors who understand the area's needs and show up when it matters. Their four-decade history proves a commitment to doing the job right and building relationships that last. For heating, cooling, electrical, or plumbing needs, DML & S Air Conditioning & Heating in Saint James NY provides experienced, trustworthy service.