NEW CUSTOMER
$25 off your first window cleaning
First-time NOKfacility customers save $25 on any residential window cleaning over $150.
Code WELCOME25
Always availableClaim
Special Offers
Save while you shine.
Honest pricing, plus several ways to save. Most customers stack offers — call us and we'll help you maximize the discount.
SAVE 25%
Annual Maintenance Plan
Mix and match services on a recurring schedule and save up to 25% versus one-off pricing.
Always availableClaim
BUNDLE
Windows + Pressure Wash combo
Book windows and pressure washing on the same visit and save 15% on the smaller service.
Code BUNDLE15
Always availableClaim
REFER & SAVE
Refer a neighbor, get $50 credit
Send a friend our way. When they book, you get $50 off your next service.
Code REFER50
Always availableClaim
COMMERCIAL
Free 2nd visit on quarterly contracts
Sign a quarterly recurring contract and your second visit is on us.
Code Q2FREE
Always availableClaim
POST-CONSTRUCTION
10% off final-clean
Post-construction final-clean cleanups for builders and project managers.
Code BUILD10
Always availableClaim
Offers cannot be combined with other promotional discounts unless noted. Mention the code at the time of scheduling. Subject to availability and terms.
Ready when you are
Free quote in 24 hours. Most jobs scheduled the same week.
Recurring maintenance plans save up to 25% versus one-off pricing. Same-day service available across Houston.