A Los Angeles homeowner recently contacted Lions Heating & Air because their home was becoming uncomfortable throughout the day. The house felt too warm during the afternoon and cooled down too quickly at night, even while the HVAC system was running.

The homeowner suspected the attic insulation was no longer working properly. Some rooms felt uneven in temperature, and energy bills had been slowly increasing over time. They wanted a long-term solution that could improve comfort and make the home more energy efficient.

After discussing their concerns, our team scheduled an attic inspection to evaluate the insulation and identify the best solution to improve the home’s comfort and airflow.

Old Attic Insulation Replacement Los AngelesAttic Insulation Installation Los Angeles

Diagnosing the Attic Insulation Problem

During the inspection, our technicians carefully evaluated the attic insulation and overall airflow conditions.

We found that the existing blown-in insulation had become compacted and uneven, leaving several areas under-insulated. This allowed heat to enter the home during warm Los Angeles afternoons and escape quickly during cooler periods.

To resolve the issue, we recommended removing the old blown-in insulation and installing new CertainTeed Sustainable Insulation™ fiberglass insulation. This high-performance attic insulation helps improve thermal protection and maintain more stable indoor temperatures.

In addition to installing the new insulation, our team also performed attic air duct sealing to prevent air leakage and improve airflow throughout the HVAC system. This helps the system operate more efficiently and distribute conditioned air more evenly throughout the home.

After reviewing the plan and benefits, the homeowner approved the project. Our technicians removed the old insulation, sealed the ductwork, and installed new fiberglass insulation across the attic for better coverage and long-term energy performance.

“Lions Heating & Air did a great job with our attic insulation installation. They removed the old insulation, sealed the air ducts, and installed new fiberglass insulation throughout the attic. The team was professional, clean, and explained every step of the process. Our home feels much more comfortable now and the temperature stays consistent all day. I highly recommend them!”

Attic Insulation Los Angeles - Before

Results After the New Attic Insulation Installation

After completing the attic work, our team installed new fiberglass insulation evenly across the attic to create a consistent insulation layer. This upgrade helps the home maintain stable indoor temperatures and improves overall energy efficiency.

The sealed air ducts now prevent conditioned air from escaping, allowing the HVAC system to deliver air more efficiently to each room. As a result, the home stays cooler during hot Los Angeles afternoons and more comfortable during cooler evenings.

With the new insulation and duct sealing in place, the HVAC system no longer needs to work as hard to maintain the desired temperature. This helps reduce energy usage and monthly utility costs while improving comfort throughout the home.

The homeowner was very satisfied with the results and happy to have a more efficient and comfortable living space.

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Equipment used in this project

Sustainable Insulation

CertainTeed: Sustainable Insulation