HRTI HRTI specializes in exterior home renovation including windows and doors, siding, roofing and more Are you looking to make some upgrades to your home?

HRTI has been renovating homes in the Denver metro area and along the Front Range resulting in satisfied customers since 1972. We are exterior home renovation specialists; executing anything from complete home window replacements to full blown custom exterior home remodels. These home makeovers feature a variety of specialties, including new windows and doors, “panel and channel” style siding and

a standing seam metal roof with a newly installed portico. We install superior products with quality workmanship and expertise. HRTI is familiar with and installs many manufacturers and enjoys working in all mediums. No substrate is out of scope and no project is too large or challenging. We provide no-nonsense, free quotes and won’t inflate our prices. Our quotes are based on the products installed and the experience of the crew. HRTI specialties:•Exterior Home Improvement Contractor•Exterior Home Renovations•Window Installation•Roofing Contractor & Gutters•Siding & Stucco Contractor•Exterior Painting Contractor•Folding Patio Doors/Enlarge Patio Doors•Garage Door•Decks, Porticos & PorchesHRTI is committed to customer satisfaction. We offer a one stop exterior remodeling shop with roofing, windows, siding, exterior painting and more all in one place. Need a full exterior overhaul? We will assist you with all your exterior house project needs and we stand behind our work and offer warranties on all our products and installation. We are a locally owned and operated Littleton/Centennial company. HRTI provides full exterior home renovation from Castle Rock to Boulder and into the foothills. We know you have many options in exterior home remodeling companies. Thank you for giving HRTI a look. We look forward to giving you a no hassle, free quote. Contact us a today!

Think your roof is leaking? Cute. It might just be your gutters throwing a tantrum. 😬Water around windows, doors, or ext...
04/30/2026

Think your roof is leaking? Cute. It might just be your gutters throwing a tantrum. 😬

Water around windows, doors, or exterior walls is often caused by clogged gutters, bad drainage, snow buildup, or ice dams, not necessarily a roof begging for retirement.

Before you mentally spend money on a new roof, please check your gutters! If that is not your issue let HRTI Exterior Company inspect the whole exterior system and find the actual culprit.

Read more: https://hrti.com/leaky-roof-probably-your-gutters/

📞 Call 303-984-6159
📧 Email [email protected]
Schedule your free exterior inspection today.

Why It Might Not Be Your Roof - A real roof leak usually comes from something like damaged shingles, bad flashing, cracked pipe boots, skylight issues, or aging roofing materials.

Spring Is the Perfect Time to Replace Your Windows & Doors!Is your home feeling drafty? Seeing fog between your window p...
04/25/2026

Spring Is the Perfect Time to Replace Your Windows & Doors!
Is your home feeling drafty? Seeing fog between your window panes? Your energy bills creeping up? Don't wait until summer, spring is the smartest time to upgrade your windows and doors.
At HRTI, we've been serving Denver-area homeowners since 1972 with premium window and door installations backed by a double lifetime warranty and a 5-star reputation across Google, BBB, and Houzz.

Energy Star-rated windows
Top brands: Pella, Simonton, Sierra Pacific & more
Boost your curb appeal before outdoor season
Beat the summer scheduling rush

Call us today for a FREE estimate: 303-984-6159
hrti.com/service/windows-and-doors
Serving Denver, Littleton, Highlands Ranch, Centennial, Greenwood Village, Parker, Castle Rock & beyond.

First impressions happen before anyone knocks on the door, and your home's exterior is doing the talking 24/7.Whether it...
04/18/2026

First impressions happen before anyone knocks on the door, and your home's exterior is doing the talking 24/7.
Whether it's cracked siding, faded paint, or doors and windows that's seen better days, HRTI has the expertise to transform what "meh" into memorable.
Fresh. Polished. Ready to impress.
Start your home's transformation at https://hrti.com/

Keep your siding looking beautiful for the long run.Your siding does more than protect your home, it defines its appeara...
04/11/2026

Keep your siding looking beautiful for the long run.

Your siding does more than protect your home, it defines its appearance. With the right care and timely updates, you can preserve a clean, polished look and support long-term performance for years to come.

A few key takeaways homeowners can support siding longevity:

• Wash away dirt and buildup before it settles in
• Check for signs of wear throughout the seasons
• Address minor issues early to help prevent bigger problems
• Update aging or damaged areas with new siding when needed

Whether your home needs routine care or new siding for a fresh new look, investing in your exterior helps protect its beauty over time. Visit https://hrti.com/service/siding/ to learn more.

Freeze–Thaw: The Silent Home WreckerEver notice a tiny crack in your siding, trim, or masonry… and then suddenly it look...
02/27/2026

Freeze–Thaw: The Silent Home Wrecker
Ever notice a tiny crack in your siding, trim, or masonry… and then suddenly it looks way worse? Here’s why:
When temperatures bounce above and below freezing, water sneaks into small gaps around your home. Then it freezes and expands, acting like a tiny jackhammer. When it warms up, it melts, sinks deeper, and repeats the cycle. Over time, that constant pressure leads to:
✅ Siding gaps + warping where water keeps getting in
✅ Paint peeling + bubbling as moisture pushes from underneath
✅ Caulk splitting or pulling away around windows, doors, and seams
The sneaky part? By the time you see major damage, it’s often been working on your home for weeks.
Quick tip: Walk your exterior and look for cracked caulk, peeling paint, separated joints, and “hairline” cracks, those are the ones freeze–thaw loves most.

Want to stay ahead of costly repairs? Visit HRTI https://hrti.com/service/siding/ and we’ll help you spot problem areas before spring rain and meltwater make them worse.

Is Your Home Wearing a Drafty Jacket?If your house feels chilly even when the heat’s running, you might not need a bigge...
02/21/2026

Is Your Home Wearing a Drafty Jacket?
If your house feels chilly even when the heat’s running, you might not need a bigger furnace… you might need a tighter seal.
Most energy loss happens at the edges, especially around windows and doors. Over time, weatherstripping compresses, caulk cracks, frames shift, and tiny gaps turn into constant air leaks.
Signs your home is “drafty”:
✅ Rooms that won’t stay warm
✅ Cold air near windows/doors
✅ Rattling windows on windy days
✅ Higher utility bills for no clear reason
✅ Condensation or frost on window edges
That draft isn’t just uncomfortable, it’s money slipping outside every day.
Good news: The fix can be straightforward: air sealing, updated trim/caulk, weatherstripping, and efficiency-focused exterior upgrades that help your home hold temperature like it should.

Want to stop heating the outdoors? Book an Efficiency Upgrade Consult with HRTI visit us at https://hrti.com/service/windows-and-doors/ and we’ll help you find the biggest leak points, and the smartest upgrades to fix them.

We’re thrilled to share that HRTI Exterior Company has won the 2026 Houzz Service Award, Best of Houzz: Customer Service...
02/19/2026

We’re thrilled to share that HRTI Exterior Company has won the 2026 Houzz Service Award, Best of Houzz: Customer Service!
This recognition is especially meaningful because it’s driven by homeowner reviews and reflects the experience we work hard to deliver on every project. Best of Houzz honors top-rated pros across the platform each year.
To our clients: thank you for trusting us with your home. To our team: this is your win.
Thinking about upgrading your exterior (windows/doors, siding, roofing, and painting)? We’d love to help.
Schedule a free consultation: https://hrti.com/

OKAY WOW!!!HRTI Home Exterior just won Nextdoor Neighborhood Fave 2025! To everyone who voted, recommended us, left a re...
01/07/2026

OKAY WOW!!!
HRTI Home Exterior just won Nextdoor Neighborhood Fave 2025!
To everyone who voted, recommended us, left a review, or waved from the driveway while we worked, THANK YOU. We’re proud to be your local exterior crew and we don’t take your trust lightly.
Got a project on your mind (siding, windows, doors, gutters, paint, repairs, storm damage, you name it)? Visit us at https://hrti.com/
Send us a message — we’re happy to take a look and give you honest options.

Bring on the curb appeal 😍We upgraded this home with LP® SmartSide® siding in Terra Bronze, delivering rich color, crisp...
11/03/2025

Bring on the curb appeal 😍
We upgraded this home with LP® SmartSide® siding in Terra Bronze, delivering rich color, crisp lines, and durability built for Colorado weather. Loving the contrast with the brick and shutters!
Thinking about a refresh? Get a free quote: https://hrti.com/

Hello light, goodbye drafts. These Simonton Reflections® 5500 windows, installed by HRTI Exterior Home Remodeling, open ...
10/16/2025

Hello light, goodbye drafts.
These Simonton Reflections® 5500 windows, installed by HRTI Exterior Home Remodeling, open up the views, improve energy efficiency with Low-E/argon glass, and make the home quieter and more comfortable. Clean lines, smooth operation, and instant curb appeal inside and out.
Thinking about an upgrade before winter hits us? Visit us at https://hrti.com/service/windows-and-doors/ and contact us for a FREE Consultation!

Address

Services Available In:
Littleton, CO
80120

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+13039846159

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