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Custom Insulation Boston Worcester Blog

Spray Foam Will Fix Drafty Rooms and Uneven Temperatures

9 July 2025

Custom Insulation Company, Inc. - Spray Foam

If you’ve ever walked from one room in your home to another and noticed a sudden drop (or spike) in temperature, you’re not alone. Uneven indoor temperatures and drafty rooms are some of the most common complaints among homeowners—especially in older homes or those with outdated insulation. Fortunately, there’s a powerful solution that can tackle both issues at once: spray foam insulation.

At Custom Insulation Company, Inc., we specialize in helping homeowners throughout Massachusetts create more comfortable, energy-efficient homes. And when it comes to fixing drafts and temperature inconsistencies, spray foam insulation is one of the most effective tools in our toolbox.

Why Do Drafts and Uneven Temperatures Happen?

In many homes, the root cause is air leakage. Gaps, cracks, and poorly insulated areas—especially around windows, doors, attics, basements, and crawl spaces—allow conditioned air to escape and outdoor air to creep in. This not only makes your rooms feel uncomfortable but also forces your HVAC system to work harder, raising your energy bills in the process.

Even if your walls are insulated with traditional materials like fiberglass, they may not be enough to seal air leaks. That’s where spray foam shines.

How Spray Foam Solves the Problem

Spray foam insulation expands when applied, filling even the tiniest cracks and crevices that other insulation types can’t reach. It creates an airtight barrier that keeps warm air inside during the winter and blocks heat and humidity from entering during the summer.

This means your home maintains a consistent, even temperature from room to room. Drafty bedrooms, chilly living rooms, and stuffy upstairs areas can all be transformed into spaces that feel just right, all year long.

Spray foam also works as a moisture barrier, which helps reduce the risk of mold, mildew, and allergens — especially in basements and attics where drafts are common.

Added Benefits

Not only does spray foam make your home more comfortable, but it can also:

  • Lower your heating and cooling costs by improving overall efficiency
  • Extend the life of your HVAC system by reducing the workload
  • Boost indoor air quality by sealing out dust, pollen, and pollutants
  • Increase your home’s resale value thanks to enhanced energy performance

Get Professional Spray Foam Installation

At Custom Insulation Company, Inc., we’ve helped countless homeowners across Central Massachusetts upgrade their homes with professional spray foam installation. Whether you're dealing with drafty rooms, inconsistent temperatures, or simply want to make your home more energy-efficient, we’re here to help.

Insulation helps keep your house cool in the summer!