Harmony Home Improvement

Upgrading Homes in Collinsville, Connecticut

Welcome to Harmony Home Improvement, Collinsville's trusted provider of exceptional home improvement services. Over the past two decades, our complete roofing, siding, window, door, and gutter installations have consistently satisfied discerning homeowners.

Dedicated to Serving Quality-Conscious Homeowners

Our services cater to homeowners aged 30 to 70 who seek only the best. Our Google Guaranteed, background-checked team upholds our GAF Master Elite Roofing Contractor status, illustrating our steadfast commitment to top-quality service.

Experts in Total Home Enhancements

Our focus is on full-scale replacement services, providing significant enhancements to your home’s aesthetics, functionality, and durability.

Comprehensive Warranties for Your Confidence

Each project at Harmony Home Improvement is backed by robust, industry-leading warranties, further fortified by an additional labor warranty. This unwavering commitment ensures our clients’ complete peace of mind and satisfaction in our work.

An Established Legacy of Excellence

Our continuous commitment to top-tier service has earned us an A+ rating from the Better Business Bureau, alongside numerous five-star reviews on Google, GAF’s website, Angie’s list, and other reputable review platforms.

Embark on Your Home Improvement Journey with Harmony Today

If you’re in Collinsville, Connecticut, and planning a home improvement project, Harmony Home Improvement is your reliable partner. Contact us today for a consultation, and discover why discerning homeowners consistently choose us for their home improvement needs. With Harmony Home Improvement, you’re assured of honesty, superior craftsmanship, and unparalleled quality. We look forward to assisting you in transforming your home into your dream living space.



For your convenience, we are now offering online booking for estimates! Book your free roofing, siding, windows, doors, or deck consultation right on our website.


Book your free estimate online today!


Contact us via this website.


(860) 645-8899