DML & S Air Conditioning & Heating | Experienced HVAC Repair in Saint James, NY

Uneven heating is common in our area, often due to ductwork issues, improper system sizing, or insulation problems. As a family-owned HVAC contractor serving Saint James since 1983, we offer thorough inspections to diagnose the cause. We can repair or adjust your existing system, recommend energy-efficient replacements like ductless mini-splits for better zone control, or provide solutions to improve airflow. Our goal is to ensure consistent comfort throughout your home.

Yes, we provide complete HVAC installation or replacement services, along with electrical inspections and repairs. With over 20 years of experience, our team is equipped to handle the specific needs of older homes in Nassau and Suffolk counties. We ensure new systems are properly integrated with your home's electrical setup, and we can address any safety or efficiency concerns during the process. As a licensed Mitsubishi Electric Diamond Contractor, we also offer energy-efficient options to help reduce utility costs.

Absolutely. Clogged condensate drains are a frequent issue in Saint James homes, especially during humid seasons, and can lead to water damage or system shutdowns. We provide plumbing inspection and repair services, including clearing and maintaining these drains as part of our HVAC system maintenance. Our family-owned company has been addressing such local problems since 1983, and we offer 24/7 emergency service to prevent further damage and restore your system quickly.