What to look for
- Liability insurance
- Safe equipment for upper floors
- A clear list of what's included
- Experience with hard water stains if you have them
- Reviews that mention streak-free results
Questions to ask before you hire
- Is it inside, outside or both?
- Are screens, tracks and sills included?
- How will you reach second- and third-story windows?
- Can you remove hard water stains?
- Is there a discount for regular visits?
Getting and comparing quotes
Count your windows and tell each company the same number and stories. Compare what's included, since screens and tracks are often extra.
Red flags
- No insurance for ladder work
- Won't say what's included
- Uses razor blades on coated or tempered glass without asking
- Prices change once they arrive
