• 720-699-1827
  • Year Established: 2009
  • Homeowners Served: 25,000+
  • Number of Employees: 40
"We are Denver's most trusted window and siding company. Lifetime offers Infinity from Marvin windows and patio doors, just ranked #1 in customer satisfaction by JD Power. We also offer siding from James Hardie, the #1 siding brand in North America. Our products resist Colorado's extreme weather conditions, are backed by ENERGY STAR, and look great. All Lifetime products and services are backed by a lifetime guarantee that will transfer to the next owner of the home. Call us today for a free estimate and to find out how you can make your home more beautiful with windows, doors and siding that will last."

Peter Svedin, CEO
Principal Owners / Key Managers
Peter Svedin, CEO; Jason Lewis, President
Five Star Guarantee
We stand behind every Five Star Rated company with Our Guarantee. We've done the research for you and identified the best home service pros in your neighborhood.
Homeowner Reviews

“Jason, Justin, and Keven were fantastic. They came every day to check on the work and that we were satisfied. We were amazed at the quality and attention we were given. My neighbors commented on them as well.”

“The entire team has been utterly professional and helpful. We are extremely pleased with the quality and installation of our windows, French doors, and sliders. The team is very detail-oriented.”

“We feel they went over and above for us, and that they would treat any customer the same way. We would highly recommend them!”

  • 720-699-1827
  • Year Established: 2009
  • Homeowners Served: 25,000+
  • Number of Employees: 40
"We are Denver's most trusted window and siding company. Lifetime offers Infinity from Marvin windows and patio doors, just ranked #1 in customer satisfaction by JD Power. We also offer siding from James Hardie, the #1 siding brand in North America. Our products resist Colorado's extreme weather conditions, are backed by ENERGY STAR, and look great. All Lifetime products and services are backed by a lifetime guarantee that will transfer to the next owner of the home. Call us today for a free estimate and to find out how you can make your home more beautiful with windows, doors and siding that will last."

Peter Svedin, CEO
Principal Owners / Key Managers
Peter Svedin, CEO; Jason Lewis, President
Top Company Features
  • Five Star Guarantee
  • General Liability Insurance
  • Workers' Compensation Insurance
  • Free Estimates
Services Offered
Window replacement; Door replacement; Siding
Insurance
General Liability & Workers' Compensation
Warranties / Guarantees
Lifetime warranty that's transferable to the next owner
Recognitions
#1 Infinity from Marvin Dealer in the U.S.; #1 James Hardie Dealer in Western U.S.; 2019 J.D. Power Award - Infinity from Marvin Ranked #1 in Customer Satisfaction; 2019 Top Remodeler Award; 2019 Recognized by COBiz Magazine as a Top Denver Company; 2019 GuildQuality Guildmaster Award; Official Sponsor of the Colorado Rockies; Official Member of Team Dave Logan; Endorsed by Dave Logan and Susie Wargin; BBB A+ Rating