My only regret is not doing this sooner. The comfort level is night and day.

The house feels so much more comfortable now, no more cold spots in the winter.

Wonderful experience from the estimate to the final walkthrough. Highly recommend their services.

My energy bill has dropped significantly since the installation. Totally worth the investment.

I called Thermal Nest Insulation for a second opinion after another company quoted me an outrageous price for spray foam. Their estimator was refreshingly honest and explained that for our specific home and Anaheim's climate, a combination of air sealing and high-density cellulose would achieve excellent results at a fraction of the cost. He showed me the R-value comparisons and let me decide without pressure. The installation was flawless, the crew cleaned up meticulously, and I saved over fift

My parents needed their attic insulation replaced and I helped them research contractors. Thermal Nest Insulation had excellent local reviews and their quote was very reasonable. The crew was incredibly respectful of my elderly parents' home, wearing shoe covers without prompting and keeping noise to a minimum. They took time to explain the process to my dad and showed him before-and-after photos. He was very pleased and has already recommended them to his neighbor.

I contacted Thermal Nest Insulation of Anaheim after struggling with our second floor being unbearably hot every summer near Disneyland. Their estimator arrived on time, climbed into our attic without hesitation, and used an infrared camera to show me exactly where the old insulation had failed. He explained everything clearly with patience. The crew showed up early, laid down protective runners, and sealed off the work area completely. They finished in a few hours and vacuumed thoroughly. Our u

These experts transformed our drafty, inefficient house. They didn't just add more insulation; they performed a detailed assessment and focused heavily on air sealing to stop energy loss at its source. The crew was meticulous, clean, and took great pride in their craft. The improvement is profound—not just in temperature consistency, but also in how solid and quiet the house feels. Thermal Nest truly specializes in creating a comfortable, cohesive environment. Excellent craftsmanship.