Celebrating 25 Years of Denommee Plumbing, HVAC & Electric: Honoring Our Legacy and Bright Future
A Dream That Started at the Dinner Table
We are proudly celebrating our 25th anniversary this month! Taking a leap of faith, Guy and Carin Denommee founded Denommee Plumbing & Heating at their kitchen table with one clear goal: taking good care of their growing family by taking good care of their customers, while supporting the greater community.
Through much persistence, extremely hard work, and personal sacrifice, their company blossomed from a one-man, one-truck operation into the vibrant, strong, multi-faceted company it is today. Now, nearly ninety talented and dedicated team members serve thousands of residential and commercial customers across Massachusetts and southern New Hampshire.
Though times, tools, techniques, services, and even our logo have evolved over the years, our steadfast focus remains: improving the lives of our team members and their families by looking after our customers and the communities we serve.
The future is very bright — and we're just getting started.

How 25 Years of Growth Has Benefited Our Customers
At Denommee Plumbing, HVAC & Electric, our success is measured by the trust and loyalty of our customers. Here's how our journey has created real value for the homeowners and businesses we serve:
1. Unmatched Depth of Services
From modest beginnings as a plumbing-only service, Denommee now offers full-service plumbing, heating, cooling, and electrical expertise. Whether it's:
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Emergency plumbing repairs
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Full HVAC system installations
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Electrical upgrades and EV charger installations
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Complex commercial projects
...our customers enjoy the simplicity and confidence of working with one trusted partner for all home comfort needs.
2. Unwavering Commitment to Quality
With a focus on doing things right the first time, our team members undergo ongoing training, pursue professional certifications, and embrace the latest best practices to deliver top-notch workmanship.
We are proud to be:
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Mass Save HPIN Contractors
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Certified SPAN.io Smart Panel Installers
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EVITP Certified Electricians
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Google Guaranteed and Yelp Recommended
3. Honest, Upfront Pricing
We pioneered a flat-rate, transparent pricing model, giving customers peace of mind with no hidden labor charges or "open-ended" time and material surprises.
4. Faster Service When It Matters Most
With a large team and modern dispatching, we offer priority service for urgent plumbing, HVAC, and electrical needs—especially for our Peace of Mind Service Program members.
5. Long-Term Relationships
Thousands of homeowners and businesses have stayed with Denommee for decades. We've installed new systems for growing families, maintained homes across generations, and helped businesses expand their operations. Our customers become part of the Denommee family.
Investing in Our Employees and Their Families
As Denommee grew, so did our opportunity to support the incredible people behind our success:
1. Career Growth and Development
We believe in promoting from within and providing training opportunities for team members to advance their skills and careers. Many of our senior technicians, managers, and team leads started at entry-level positions.
2. Excellent Benefits and Work-Life Balance
We offer competitive pay, healthcare benefits, retirement plans, and generous paid time off to support the financial and personal well-being of our employees and their families.
3. A Positive, Supportive Work Environment
Our team members describe Denommee as a "family-like atmosphere," where hard work is recognized and integrity is celebrated. We are proud to be an employer of choice in our community.
4. Community Involvement
Through charity work, volunteer events, and sponsorships, our employees actively give back — enriching the communities where we live and work.
Making a Difference in Our Communities
From the very beginning, Denommee has believed that success is sweeter when it lifts others along the way.
1. Supporting Local Schools, Youth Sports, and Charities
We proudly sponsor youth sports leagues, fundraisers, and school programs, providing resources and opportunities for local children to thrive.
2. Giving Back During Times of Need
Whether it's donating services to families facing hardship, or helping with emergency infrastructure repairs after storms, Denommee is always ready to step up.
3. Promoting Sustainable Home Comfort
By helping customers install energy-efficient plumbing, HVAC, and electrical systems, we contribute to a greener, healthier environment for future generations.
What's Next? The Future is Bright
Looking ahead, the next 25 years at Denommee will bring:
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Continued investment in technology and tools to serve customers even better
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Expansion of services into new markets across Massachusetts and New Hampshire
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Enhanced employee training programs to prepare the next generation of skilled tradespeople
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Deeper community partnerships that make a lasting positive impact
Our mission remains simple: Take care of our team, provide the outcomes for our customers, and give back to our communities — and everything else will follow.
Thank You for 25 Wonderful Years
To our customers, employees, partners, and friends:
Thank you.
Thank you for trusting us. Thank you for believing in us. Thank you for being part of the Denommee story.
Here's to the next 25 years of excellence, growth, and community impact—together.




