PAL-thermastar-button.png

ThermaStar by Pella®

Based on 271 ratings*

ThermaStar by Pella® Windows. Value backed by Pella.

$-$$
  • Easy to care for.
  • Pella quality at an affordable price.
  • Exceptional energy efficiency.
thumbnail

Vinyl Windows and Patio Doors

Download
thumbnail

Be Window Smart

Download

Design your own ThermaStar by Pella window.

Choose one of the available styles to begin.

A Lowe's Project Specialist is ready to help you.

Schedule Your Free In-Home Consultation

Be Window Smart

Everything you need to shop smart with Pella – and create a space you'll love.

Explore Now

Why Choose ThermaStar by Pella?

V_Feature2.png

Lower heating and cooling costs.

In a typical home, ENERGY STAR® certified windows can save an average $101 – $583 a year when replacing single-pane windows.35 The temperature throughout your home will be more comfortable and consistent.

ENERGY STAR® Performance. ThermaStar by Pella products offer the energy-efficient options that will meet or exceed ENERGY STAR guidelines in all 50 states.1

Durability, strength and performance.

Improved overall strength. The multichambered fully welded sash and frame improve the strength and thermal performance of windows.

Fewer worries about drafts and leaks. Steel-reinforced interlocking window sash increase energy efficiency by providing added wind resistance.

Years of smooth operation. Our Advanced Balance System ensures your double- and single-hung windows will open and close easily.31

Sizing Information

PAL_Warranty_Icon.jpg

Enjoy Satisfaction for Years to Come.

Pella® vinyl windows are backed by the Pella Limited Lifetime Warranty – one of the best warranties in the business. See written warranty for complete details.

Download
PAL_Quality_Icon.jpg

Pella is Passionate About Quality.

Pella has a steadfast commitment to quality – going beyond what meets the eye.

Learn More and See Videos
PAL_InstallPella_Icon.jpg

Looking for Installation Guides?

Get answers to your installation questions in our comprehensive Pella window and door installation guides.

Visit InstallPella.com

Average Customer Rating in the past 12 months*

star rating

4.3/5 based on 271 ratings


Sign up for savings and inspiration.

Submit
Please enter a valid email address and zip code. Thank you!

Success! You are now subscribed to Pella offers and inspiration.

A Lowe's Project Specialist is ready to help.

Schedule Your Free In-Home Consultation
%>