Replacement Windows in Kansas City & St. Louis
Transform your home with HGI windows that combine stunning aesthetics, maximum energy efficiency, and unmatched durability. Installed by Shinnova Home.
Certified QualityEnergy Star PartnerOur Trusted Manufacturing Partners
We partner with trusted window manufacturers known for quality materials, advanced energy-efficient designs, and proven durability. Every replacement window we install is selected for long-term performance, weather resistance, and consistent craftsmanship—so your investment delivers real value over time.
The Importance of Replacing Your Windows
Even the highest-quality windows can fail if they’re installed incorrectly. Professional window installation ensures:
Proper sealing and insulation
Effective moisture and air control
Improved energy efficiency
Long-term durability and performance
Combat Energy Loss with HGI Windows
HGI windows are designed to minimize energy loss and reduce utility bills.
Drafty, outdated windows can account for up to 30% of your home's energy loss. HGI's advanced window technology keeps your home comfortable year-round and helps you save on heating and cooling costs.
Maximum Durability & Minimum Drafts
Explore the HGI Innovations window system that combines style with functionality.
The HGI Innovations Window System features multi-chambered frames, advanced weather seals, and sleek profiles. Enjoy effortless operation, modern aesthetics, and superior energy performance in every room of your home.
Common Questions About Energy Savings and Your Consultation
Will new windows really lower my energy bills?
Yes — properly insulated, energy-efficient windows reduce heat transfer and can noticeably lower heating and cooling costs over time.
How long does a typical consultation and estimate take?
Most consultations take about 30–45 minutes, including a walkthrough, measurements, and a clear estimate discussion.
Do you offer financing or payment plans?
We provide multiple financing options — discuss available plans during your consultation to find one that fits your budget.
How soon can installation be scheduled after I accept the estimate?
Installation timelines depend on product availability and schedule, but we typically begin within 2–6 weeks after approval.
Will the replacement process be disruptive to my home?
Our installers work to minimize disruption; most installations are completed in a day per window set and include cleanup when finished.
Features at a Glance
Unmatched Performance & Durability
Our windows are built to last, offering year-round performance and durability.
Engineered for all climates, Shinnova windows resist warping, fading, and weather damage. Enjoy reliable operation and lasting beauty, backed by rigorous testing and quality assurance.
Advanced Glass Technology
Learn about our glass technology that enhances efficiency and comfort.
Our multi-pane glass features low-E coatings and argon gas fills, blocking UV rays and improving insulation. Enjoy a brighter, more comfortable home with less glare and greater energy savings.
Customize with Color & Design Options
Choose from a variety of colors and designs to match your home’s style.
Select from a curated palette of frame colors, grid patterns, and hardware finishes. Whether your home is classic or contemporary, our windows are tailored to complement your unique aesthetic.
Revolutionary FlexScreen Technology
Our innovative screens offer easy installation and superior visibility.
FlexScreen’s flexible frame design allows for effortless removal and installation, while the nearly invisible mesh maximizes your view and airflow. Enjoy a screen that’s tough, beautiful, and simple to use.
Comprehensive Warranty & Peace of Mind
Enjoy peace of mind with our extensive warranty coverage.
Every Shinnova window is backed by a comprehensive warranty covering materials, workmanship, and performance. Our dedicated support team is always here to help, ensuring your investment is protected for years to come.
Installation, Warranty, and What to Expect
How long does a typical window replacement take from start to finish?
Most standard window replacements are completed in one day for an average-sized home; larger projects may take multiple days. We'll provide a timeline during your consultation.
Are your installers certified and do they follow manufacturer guidelines?
Yes. All of our installers are factory-trained and certified to install each product according to manufacturer specifications to maintain warranties and performance.
What kind of warranty do your windows come with?
Our windows come with a comprehensive manufacturer warranty covering materials and manufacturing defects; installation-specific warranties are provided by our company. Exact warranty terms depend on the product chosen and will be provided in writing.
Will you handle permits and inspections if they're required?
We can assist with permit requirements and coordinate inspections when needed. Permit responsibility is discussed during the project planning phase.
How do you protect my home during installation?
Our crews use drop cloths, shoe covers, and protective materials to minimize dust and protect floors, trim, and landscaping throughout the project.
What should I expect on the day of installation?
Expect our team to arrive during the scheduled window, review the plan with you, remove old windows, install new ones, perform cleanup, and walk through the completed work with you.
Do you offer financing or payment plans?
We offer multiple financing options and payment plans to fit different budgets. Specific options will be reviewed during your estimate appointment.
Can I customize window colors, hardware, and glass options?
Yes. We offer a range of frame colors, hardware finishes, and glass upgrades. Your choices will be reviewed and confirmed during the selection process.
How energy efficient are your windows and will they save on my energy bills?
Our windows are designed to improve insulation and reduce energy loss. Actual savings depend on your home and existing windows; we provide energy performance information to help estimate potential savings.
What if I have questions after installation or need follow-up service?
We offer post-installation support and will address any follow-up questions or service needs. Contact information and warranty details are provided after completion.
Will the new windows change the exterior appearance of my home?
New windows can refresh the look of your home. We provide sample materials and digital visuals where possible to help you choose options that complement your exterior.
How do you handle unforeseen issues discovered during installation?
If we discover additional issues (rot, structural concerns, etc.), we will stop work, document the findings, and discuss recommended solutions and costs with you before proceeding.
Do you provide written estimates and a clear scope of work?
Yes. All projects include a written estimate and scope of work that outlines materials, timeline, and warranty information before any work begins.