#1 Loveland Siding and Window Contractor

Loveland Siding and Window Experts

Let the trusted professionals at Bellwether Windows, Siding, & Doors in Loveland help you design and install high-quality siding and window solutions tailored to your home and budget.

Get expert siding replacement, window replacement, and James Hardie siding installation from Loveland’s trusted siding company.

"*" indicates required fields

Name*

Loveland Siding, Windows, and Doors

Bellwether has proudly served as a top-rated siding company in Loveland since 2017. Our team understands the area’s distinctive blend of rustic charm and modern design, and we offer exterior upgrades that reflect that character while protecting against Colorado’s harsh climate.

Whether you’re starting a full renovation or need a quick siding replacement, our team ensures a seamless experience and durable results.

As a James Hardie Elite Preferred Contractor and Pella Platinum Certified Contractor, we specialize in durable, high-performance materials that are designed to withstand Loveland’s climate while enhancing your home’s curb appeal. From stylish and secure doors to energy-efficient windows and long-lasting siding, we offer the complete package to create a beautiful, functional, and resilient home exterior.

Recent Loveland Exterior Siding Projects

See What Our Clients Have to Say

Excellent
4.8
Joseph Wynn
6 days ago
Great work with, great job. Project manager Dylan was awesome kept me updated throughout the build. Did Window replacement, front siding, and roof fascia’s and soffits. They look amazing
Jim Bahne
1 week ago
We put Pella top of the line windows in our custom home 49 years ago. Loved them. We’ve been replacing them slowly over the past 10 years with the new version Pella windows that have improved insulation and locking mechanisms. We have found Bellwether to be competitive in their pricing and meticulous in their installation and customer follow-up. We cannot recommend them more highly.
Maddie Morabito
1 week ago
Bellwether was a great company to work with throughout the entire process! From the introductory meeting, to the installation, to the final quality assurance meeting, the process was seamless. We noticed a huge difference with the temperature control in our house after having the new windows installed, and we’ve already had neighbors mentioning how great the new siding looks. We highly recommend working with Bellwether!
Wonderful experience replacing our siding. They were quick, efficient and thorough. Would recommend them.
tom dodick
2 weeks ago
Bellwether was professional from the beginning to the completion of the job. When they said something was going to be done, if was done. The job turned out looking extraordinary and I was impressed at the attention to detail at the end of the job. I was a contractor for 40 years and I know how paying attention to details can make or break a successful project. New siding is expensive and if you're going to have it done, you want it done right and professionally, Bellwether did that.
Peter
3 weeks ago
I’m not easily blown away, but I am so far! From Ryan’s incredible customer service, to Rob’s transition into production, and today, Dylan with Angel’s crew getting me out of a jam! The roofing contractor (not Bellwether) needed the facia removed and blocked. With less than 12 hours notice Dylan mobilized Angels crew who knocked it out in a single day: Safely and Professionally! I could not be happier with my selection of Bellwether!
We were in dire need of a backdoor/storm door replacement and our large kitchen dining area window. Bellwether provided us with a professional consultation with all our questions answered and a reasonable price. The organization of the project provided us with professional services from the initial consult with Teri Tovar who understood exactly what we needed, to the Project manager, Dylan Hardin, who managed and delivered the project with personal attention to all the details and concerns along the way, to the installation crew who were amazing and left us with a beautiful window and doors that looked so good! We love the product, the on point service! It was a worthy investment all around! Thank you!
Aubrey Donnellan
2 months ago
Tony and the team was amazing!
Jenee Steffens
2 months ago
Could not recommend Bellwether enough! My home is currently for sale, and the James Hardie siding update they completed has been a total game changer. Not only does it look fantastic, but it has significantly improved the overall curb appeal and value of my home. From start to finish, every person I worked with was responsive, professional, and genuinely helpful. I especially appreciated the free consultation to discuss options, the 3D visualization tool that allowed me to see different siding styles and colors on my actual home, and their willingness to accommodate my accelerated timeline. The entire process was smooth, well-organized, and exceeded my expectations. The first photo shows the siding before the project, and the second shows the finished result. The quality of the James Hardie product combined with Bellwether's craftsmanship made a huge difference in the final result. I couldn't be happier with how it turned out and would absolutely recommend Bellwether to anyone considering a siding project.
Tati L
2 months ago
Josh at Parker Days was great! Thank you for all the help.
Kai Stout
2 months ago
Joel Strayer
2 months ago
highly recommend Bellwether and their team! They helped steer me to the best option for my home, and were so fast on the instal! thanks!
Graham Hill
3 months ago
Cathy Hoffman
3 months ago
We love our windows. The whole process of working with Bellwether was such a pleasure. The staff was very helpful and responsive to all questions. They were timely with the install and the installers were so pleasent. They constantly were cleaning up the rooms and vacuming everywhere. We could not be more pleased with Bellwether.
John Kurath
3 months ago
Great company that is trustworthy and has an owner with a lot of integrity. Highly recommend!
Gail Neuenkirchen
3 months ago
Bellwether and their team of siding crew (Chuy’s team), project manager Dylan and office account’s person(Karen Fowler) were all great to work with on my Hardie plank siding replacement project. Everyone at Bellwether is invested in making sure the homeowner is satisfied with the end product. Water/moisture damage was found underneath the old siding which caused an additional 2 days of work tearing off and replacing with new OSB board. A large picture window was found to have a broken seal necessitating a new window order. Through this unanticipated process, Chuy and Dennis helped with navigating the changes and time frames. Each day Chuy’s crew cleaned up the yard and driveway. They were consistently pleasant and courteous. I am very pleased with how the new siding looks and am anticipating that it will last a long time.
Response from the owner:Thank you so much for taking the time to share this detailed review. We’re thrilled to hear that your experience with Chuy’s crew, Dylan, Karen, and Dennis was so positive. Unexpected issues like moisture damage and a failed window seal can be stressful, and we’re glad our team was able to guide you through the changes and keep the project moving smoothly. Chuy’s crew takes great pride in their workmanship and daily cleanup, and it means a lot to hear that their care and courtesy stood out. We’re grateful for your trust in Bellwether, and we’re just as excited as you are about your new Hardie siding and the long-lasting protection it will provide. If you ever need anything in the future, we’re here for you. — Bellwether Windows, Siding & Doors
Susan Hess
3 months ago
We had James Hardie Siding installed on our house and the end result is so nice. Bellwether is a polished and professional company. The communication from.beginnimg to end was clear and excellent, and the crew worked so hard while they were here. I would absolutely recommend Bellwether to anyone who needs their siding replaced and wants to be really confident it's being handled by a company that knows what they are doing. And will do it right the first time.
Lynn Paricio
3 months ago
Great to work with and solid business model to be sure you are satisfied with the work. Refer a friend!
Joe Montano
3 months ago
Installing and setup was quick and awesome.
Colette
3 months ago
We had siding installed. From the initial product overview and through completion, including cleanup, Bellwether & its crew did incredibly well in communications & professionalism. Were extremely pleased with the outcome & appearance.
John Waters
4 months ago
Very happy with our windows and door.
Keith Parker
4 months ago
Mirella Hetland
4 months ago
We have worked with Bellwether on two projects now and have been delighted with every aspect of the process each time. From initial contact to Project completion they routinely hit all of the marks and certainly earn their 5 Star rating. Our 2023 project with them replaced our poorly maintained Cedar Plank siding with James Hardie siding. In 2026, we used them for Siding and Soffit/Facia to complete the exterior of our house. Communication from the team is always amazing, and I have to rave about Angel's team. They are amazing, thorough and efficient, and I love seeing how well they all work together. We will be repeat customers for any projects in the future and are looking forward to having them replace our decking.
Response from the owner:Mirella, thank you so much — two projects in and we're still earning your trust, that means everything. We'll make sure Angel and the crew see this. They take a lot of pride in the details, and it shows in the feedback they get. We look forward to being your go-to for whatever comes next! — The Bellwether Team
Glenna Maltby
4 months ago
Professional and on time they did great.
Sarah Parmater
4 months ago
Bellwether is a great company. The communication was great., there was not any pressure to make our decision. We would highly recommend them to do your home. We know that our siding is going to last a very long time.
Loveland Siding and Window Installation Banner New 2

Loveland Siding Replacement

Loveland homes range from craftsman cottages to sleek mountain-inspired builds—and Bellwether has the perfect solution to suit them all: James Hardie siding.

This high-performance fiber cement material mimics the natural beauty of wood with the strength to resist fire, pests, and weather damage. With over 700 fade-resistant ColorPlus finishes and a long-term warranty, it’s the best long-term choice for your siding replacement project in Loveland.

Bellwether also provides Hover 3D renderings so you can preview your home’s transformation before the first nail goes in. If you’re looking for a siding company that combines smart design, unbeatable materials, and clear communication—look no further.

Loveland Window Replacement

Windows in Loveland homes need to perform as well as they look. Bellwether installs Pella double- and triple-paned windows, known for their superior insulation and fire resistance. Our window replacement services help reduce energy bills, enhance natural light, and keep your home comfortable year-round, all with styles that fit your home’s architecture and your lifestyle.

Loveland Window Replacement Loveland
Loveland Door Replacement Loveland

Loveland Door Replacement

When it’s time for a door replacement, Bellwether offers premium options from trusted manufacturers like Pella. Choose from modern fiberglass, timeless wood, or durable steel—all tailored to your needs for security, energy savings, and design appeal.

Our door installation team works quickly, cleanly, and with expert attention to detail so your new entryway performs beautifully for years to come.

Why Choose Bellwether for Your Loveland Home?

Loveland is a vibrant, growing community, and your home deserves a partner who understands its unique character. That’s why Bellwether isn’t just another siding company—we’re part of the Northern Colorado community. We care deeply about the community and work to ensure every project reflects Loveland’s beauty while standing up to Colorado’s intense weather.

When you choose Bellwether, you’re choosing a team dedicated to high-quality craftsmanship, premium materials like James Hardie siding, and personalized service. Let us help you create the home exterior you’ve always envisioned.

Why Choose Bellwether for Your Loveland Home

Working with Us Is Easy & Stress Free

We understand that the idea of remodeling your home can be exciting but can also feel overwhelming. We designed a simple process to make exterior remodeling easy & fun.

1. Project Consultation

conversation

2. Project Presentation

proposal

3. Project Approval

4. Pre construction meeting

Unique to Bellwether, we offer a pre construction meeting where we provide a clear and detailed scope before we begin building.

broom

5. Installation Day

6. Open Communications

Open communication with project manager crew leader, and internal representatives.

7. 100% Satisfaction Walk-thru

It's not over until you say so. We value your satisfaction with our product above all else. We offer final walkthrough to guarantee you are pleased.

Still Not Convinced?

More Reasons to Partner With Bellwether Exterior Designs & Renovation Experts

Bellwether is proud to be one of the most trusted siding companies on Colorado’s Front Range. Whether you need siding replacement, window upgrades, or a full exterior makeover, our team brings unmatched attention to detail and exceptional customer care.

30 - year Product Warranty | 15 - year Finish Warranty

Personalized Exterior Design Service

Excellent Service & Support Throughout Project Lifecycle

3D & HD Renderings of Your Home

Frequently Asked Questions

Yes! Bellwether is a top-rated siding company trusted by homeowners in Loveland and throughout Northern Colorado. Our team has been installing James Hardie siding and completing expert siding replacement projects since 2017.
James Hardie siding is our #1 choice. It handles Loveland’s hot summers and snowy winters with ease, while offering beautiful texture, vibrant color, and minimal maintenance. We have installed James Hardie fiber cement siding on many homes in Denver and Aurora because of its resilience and options.
Absolutely. James Hardie siding is available in a variety of profiles and over 700 ColorPlus finishes, so you can achieve any look, from mountain-modern to classic farmhouse, without sacrificing durability.

Still Not Convinced?

More Reasons to Partner With Bellwether Exterior Designs & Renovation Experts

Our team is proud to serve our homeowners on the Front range of Colorado. We know the unique needs of our clients and deeply care about the look and durability of your home’s exterior. Our team of experts are here to guide you through the process of repairing or replacing your home’s siding and windows.

30 - year Product Warranty | 15 - year Finish Warranty

Exellent Service & Support Throughout Project Lifecycle

Personalized Exterior Design Service

3D & HD Renderings of Your Home

Knowledge & Education Center

Make the best decision and get the most value for your remodeling dollar by reading our blog and becoming an educated buyer.

Denver James Hardie Warranty Colorado

Bellwether is proud to be an Elite Preferred James Hardie contractor because we believe in the quality and the benefits

Bellwether Gray Under Siding Colorado

At Bellwether, though we don’t build walls, we have complete knowledge of framing and wall construction so that we can

Tom and Diane Dimeff James Hardie Siding Colorado

Location: Longmont, Colorado Type of Siding: Cedar Age of House: Built in 1987 The Problem: The Dimeffs were dealing with