Your Trusted Partner for HVAC and Home Comfort in Long Island, NY

We are proudly based in Deer Park, New York. We provide our comprehensive services throughout Nassau and Suffolk counties on Long Island.

Yes. Modern Home Improvement Services, Inc. is a fully licensed and insured company. Our team of certified technicians is trained to the highest standards, ensuring your project is completed safely and professionally.

Yes. We offer free, no-obligation estimates for all major installations and services. Contact us to schedule a time for a technician to assess your needs.

Yes. We understand that HVAC issues can be an emergency. We provide prompt and reliable service to address your heating and cooling problems as quickly as possible.

We service and repair all major brands and types of HVAC systems, including:

• Central Air Conditioning
• Furnaces (gas and electric)
• Boilers and Radiators
• Heat Pumps
• Ductless Mini-Splits
• Geothermal systems

We recommend a professional tune-up at least once a year—ideally in the spring for your AC and in the fall for your furnace. Regular maintenance helps ensure your system runs efficiently, extends its lifespan, and can prevent costly breakdowns.

We specialize in the installation of all types of water heaters, including:

• Conventional Tank Water Heaters (gas and electric)
• Tankless Water Heaters (also known as on-demand water heaters)

Tankless water heaters provide a continuous supply of hot water, save space, and are more energy-efficient than traditional tank units. They can also last significantly longer than conventional models.

Over time, your home's air ducts can accumulate dust, allergens, pet dander, and other pollutants. Professional duct cleaning removes this buildup, which can improve your indoor air quality, reduce allergens, and increase the efficiency of your HVAC system.

Aeroseal is a state-of-the-art technology that seals leaks in your air ducts from the inside out. It's a patented process that works by injecting a fine, non-toxic sealant into your pressurized ductwork. The sealant particles find and bond to any cracks, holes, or gaps in your ducts, permanently sealing them.

By sealing duct leaks, Aeroseal provides numerous benefits, including:

• Increased energy efficiency and lower utility bills (often by 15-30%)
• Improved indoor air quality by preventing dust and pollutants from entering your ducts
• Enhanced comfort by eliminating hot and cold spots in your home
• Reduced strain on your HVAC system, extending its lifespan