Sir Home Improvements

4.4(1,018 reviews on Google)

Window Installer listing in Portage, MI

About Sir Home Improvements

Since 1980, SIR Home Improvements has offered home upgrades across Southwest Michigan and Northern Indiana. Its Portage service mix covers kitchens, bathrooms, windows and granite countertops, with countertop offerings expanded through GraniteWorks. Full, transferable lifetime warranties cover products and labor. Rated 4.4 from 1018 Google reviews, including 818 five-star reviews and 130 one-star reviews.

What reviewers mention: new windows (137), shower installation (56), courteous staff (56), lifetime guarantee (35), window installation (34), flooring installation (17), vanity installation (15), shower door installation (13), walk in shower installation (9), tile installation (6)

Services and details

  • Written warranty

    Yes

No information yet on window replacement, vinyl windows, wood or clad windows, named window brands, doors, egress windows, glass repair, energy efficient, commercial work, financing, free estimates, licensed and insured. The website did not say; call and ask.

Contact

Listing compiled from public sources on 2026-11-10. Report a correction or request removal. Back to window installers in Portage.