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Reviews From Trenton

By Tom Trenton, NJ Monday, Oct 9th, 2017
“Everyone from the company starting with the sales guy were very professional and friendly.The workers who installed the job were outstanding! Everything went so smoothly. I would highly recommend Coastal and will definitely use them again in the future. ”
By Max Trenton, NJ Tuesday, Sep 5th, 2017
“I had no idea my crawlspaces were so horrible, he gave me pictures and a great detail to what was wrong.”

Products & Services

Home Energy Saving & Audit
Energy Efficiency Audit Energy Saving Devices Energy Saving Products Energy Saving Tips Home Energy Audit Home Energy Conservation
Home Insulation
Attic Insulation Blown In Insulation Cellulose Insulation Duct Insulation Green Insulation Insulation Contractors Pipe Insulation Reflective Insulation Rigid Foam Insulation Roof Insulation Spray Foam Insulation Wall Insulation Window Insulation
Water Heaters
Electric Water Heaters Gas Water Heaters High Efficiency Water Heater Hot Water Heaters Indirect Water Heater Instant Hot Water Heater On Demand Hot Water Heaters Solar Water Heater Tankless Water Heaters Water Heater Installation Water Heater Replacement
Hvac Systems
Air Conditioning Contractors Air Conditioning Systems Boiler Heating Systems Central Air Conditioning Ductless Air Conditioning Gas Furnace Geothermal Heating And Cooling Heating And Cooling Systems High Efficiency Furnace Home Heating Systems Hvac Companies Hydronic Heating Systems
Air Sealing
Sealing Air Leaks Air Duct Leakage Air Duct Sealing Air Leakage Testing Door Air Seal Window Air Leakage
Radiant Barrier
Radiant Barrier Insulation Radiant Barrier Cost Roof Radiant Barrier
Ductwork
Ductwork Repair Ductwork Installation Ductwork Cost Furnace Ductwork Hvac Ductwork
Replacement Windows & Doors
Anderson Replacement Windows Best Replacement Windows Fiberglass Replacement Windows Home Window Replacement Low E Glass Low E Windows Marvin Replacement Windows Vinyl Replacement Windows

Before and After Pictures from Trenton

Coastal Insulation the industries leading experts in Spray Foam Insulation!!

Company Awards

Icynene Gold Circle Award 2013

Coastal Insulation, Inc. received the prestigious Icynene Gold Circle Award in 2013. This award represents the best of the best in the Icynene Dealer Network. [Read more]

SPFA National Industry Excellence Award 2012

We are a proud recipient of the Spray Polyurethane Foam Alliance (SPFA) 2012 National Industry Excellence Award [Read more]

Trenton, NJ’s Go To Residential & Commercial Insulation Company

Happy Customers Surrounding Trenton

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Experienced insulation contractor serving Trenton, NJ

For over 40 years Coastal Insulation has been providing industry-leading insulation solutions for commercial work, new construction insulation, and residential home insulation. We specialize in commercial spray foam insulation but we also offer air sealing, weatherization, and more for homeowners, business owners, and property managers. If you live in the Trenton, NJ area and are looking for an efficient and affordable solution to lower your heating and cooling bills and improve your property’s thermal envelope, Coastal Insulation is the insulation company that you can trust! As one of the largest independent insulation contractors in the country, we provide the best quality insulation services and we pride ourselves on our excellent track record of customer satisfaction.

Insulating your walls, roof, or attic can make a significant difference in the interior comfort of your home or business. Do you have cold floors or certain rooms that seem draftier than others? The insulation experts at Coastal Insulation can help! Whether you need insulation for a new construction, an apartment complex, a church, a home, or any other property, we have the answers. We offer attic insulation, basement insulation, crawl space insulation, roof insulation, wall insulation, and more. Looking to insulate your garage, or upgrade your duct insulation to prevent energy loss? We do it all, and we guarantee long-lasting thermal efficiency and a more controlled interior temperature for your Trenton property.

Lower your energy bills with air sealing and insulation in Trenton

Our insulation materials and methods in Trenton, NJ include:


  • Spray foam insulation

  • Rigid foam board insulation

  • Blown in insulation

  • Cellulose insulation

  • Blown fiberglass insulation

  • And more!

Once you upgrade your insulation and weatherization, you can enjoy lower heating and cooling bills for years to come. If you’re ready to start saving money through superior insulation and air sealing, don’t hesitate to give us a call to find out more!

Our commercial insulation, residential insulation, and new construction insulation services are available in Trenton and throughout New Jersey. Contact us for a free, no-obligation cost estimate and get started on your insulation project today!