DML & S Air Conditioning & Heating

At DML & S Air Conditioning & Heating, we are dedicated to providing exceptional HVAC services to our customers in Nassau and Suffolk counties. Since our establishment in 1983, we have built a reputation for professionalism, courtesy, and attentive service. Our family-owned business offers a wide range of heating and cooling solutions for both residential and commercial properties. We take pride in our work, using only top-brand products that strive for innovation and excellence.

Our team of experienced technicians is trained to handle all aspects of HVAC, from sales and installation to maintenance and repair. We understand the importance of maintaining a healthy indoor climate and are committed to helping our customers achieve that. Whether you need a new system installation, maintenance contracts, or emergency services, we are here to assist you. Our goal is to ensure your comfort and satisfaction while providing quality workmanship at affordable prices.

Our Services

We offer a comprehensive range of services, including:

• Residential HVAC: Air conditioning systems, heating systems, indoor air quality products, gas and electric water heaters, humidifiers, ventilation, and thermostats.
• Commercial HVAC: Air conditioning systems, heating systems, and indoor air quality products tailored to meet the specific needs of commercial properties.
• Maintenance Contracts: Regular maintenance to ensure your systems operate efficiently and effectively.
• Indoor Air Quality: Solutions to improve the quality of the air inside your home or office.

Featured Products

We feature a variety of products from top brands, including air conditioning systems, heating systems, indoor air quality products, gas and electric water heaters, humidifiers, ventilation systems, and thermostats. Our products are designed to provide maximum comfort and efficiency while ensuring the health and safety of your indoor environment.

Why Choose Us

At DML & S Air Conditioning & Heating, we believe in building long-term relationships with our customers. We are committed to providing exceptional service, using only the best products, and ensuring your complete satisfaction. Whether you need assistance with a new system installation, maintenance, or emergency services, we are here to help. Count on us for all your HVAC needs, and let us help you create and maintain a healthy indoor climate.