Can Carpet Keep Your Home Cooler in the Summer?
Carpet Resources
October 5, 2025

Can Carpet Keep Your Home Cooler in the Summer?

Most people turn to carpet to keep their homes warmer in the winter, but can carpeting actually keep your home cooler during the summer months?

Can Carpet Keep Your Home Cooler in the Summer?

Most people turn to carpet to keep their homes warmer in the winter, but can carpeting actually keep your home cooler during the summer months?

The answer is yes, and the principle is simple: thermal insulation.

Carpet as a Year-Round Insulator

The idea that carpeting will only make a home feel warmer is a myth. Carpet acts as an effective thermal insulator, meaning it slows the transfer of heat energy. This characteristic provides benefits year-round:

  • In Winter: The carpet and its pad slow the transfer of heat from the warm interior of your home down through the subfloor, keeping the room warmer.
  • In Summer: The carpet and pad slow the transfer of heat from the subfloor and outside ground up into your conditioned living space. Most importantly, it helps to trap the cool, conditioned air from your air conditioning system inside the home, preventing it from escaping through the floor.

Think of carpeting as an additional, crucial layer of insulation that works alongside the insulation in your walls, ceilings, doors, and windows to stabilize your interior temperature. This limitation of energy transfer results in more consistent and cooler interior temperatures.

How to Maximize Carpet's Cooling Efficiency

To maximize the energy efficiency and cooling benefits of your carpet, focus on two key factors:

  1. Thickness and Density: Generally, thicker, denser carpets provide the best insulation because they contain more trapped air, which is a poor conductor of heat.
  2. Quality Carpet Padding: The single most effective way to boost carpet's insulation value is to lay it over a quality carpet pad. Padding significantly limits heat loss or gain through the floor, dramatically increasing the overall R-value (a measure of thermal resistance) of your floor assembly.

Because it helps trap cool air inside during the summer and warm air inside during the winter, installing carpeting can significantly decrease your reliance on your air conditioning and heating systems, leading to lower energy bills year-round.

The Sloane’s Carpet Secret team is happy to consult with you to select the best flooring options for your home. We'll listen for cues regarding your climate and lifestyle. Is your climate dry or humid? What are your primary heating and cooling challenges? We are here to guide you to a comfortable, energy-efficient solution.

(While Elvis loved carpet so much he famously put it on the walls, we suggest keeping your carpet on the floor—where its insulating properties can best serve your energy-saving goals!)