Who We Are
Washington is our home and we’re honored to bring comfort to the homes of our friends, family and neighbors. Home Comfort Alliance was established by our companies joining together to provide our customers with more home comfort solutions, in more places, while providing the same comfortable experience as we’ve done leading the home services industry in the greater Puget Sound area for over 45 years.
We invite you to visit the timeline below as it guides you through the historical journey of each company and how we became Home Comfort Alliance.
Our Definition of Comfort
Comfort is feeling warm on a frigid winter day.
It’s being cool inside when it’s sweltering outside.
It’s also so much more.
It’s how you feel about making an important purchase. About having workers in your home. It’s about the quality of their work, their follow up and your experience with customer service.
And it’s about whether the company and people you bring into your construction project share your commitment to quality and project timelines.
Comfort is HVAC, plumbing, and electrical solutions. Comfort is having confidence in a company and its people to take care of you.
Comfort is our promise to our customers and it’s why so many people trust Home Comfort Alliance.
Home Comfort Alliance: A Brief History
- 0
- 1977
- 1994
- 1999
- 2001
- 2008
- 2009
- 2015
- 2018
- 2020
- 2021
- 2021
- 2022
- 2025
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49 Years – Practicing Excellence
This timeline is a historical journey of each company and how we became Home Comfort Alliance. -
The beginning – 1977
B&B Heating is founded and within a few short years, they are recognized as the national Residential HVAC Contractor of the Year. The same year, GS Heating & Cooling is founded in Monroe, WA quickly growing to more than 50 team members. -
Sullivan Heating & Cooling – 1994
Sullivan Heating opens its doors serving Kitsap and Mason counties and builds a reputation of integrity and quality workmanship. Growing to be the largest new construction installer on the Kitsap Peninsula. -
Comfort Mechanical Services – 1999
Comfort Mechanical Services is established, providing commercial HVAC services to the greater Puget Sound area. Providing timely and excellent customer service. -
B&B becomes MM Comfort Systems – 2001
Key employees at B&B Heating purchase the residential side of the business and rename the company MM Comfort Systems. A new era of customer-centered residential service begins. -
Scribner Electric – 2008
Scribner Electric is established and quickly develops a reputation throughout King and Snohomish counties for professionalism and high-quality workmanship, serving both residential and commercial clients. -
Heritage Heating & RiteWay Gas acquired – 2009
MM Comfort Systems acquires Heritage Heating of Tacoma and RiteWay Gas of Auburn and opens a second location in Sumner. -
A new beginning – 2015
MM Comfort Systems is acquired by local community members with a vision of becoming the most desirable home services contractor in Western Washington…a mission that continues through today. -
MM Comfort & GS Heating Join Forces – 2018
MM Comfort Systems and GS Heating, Cooling & Electrical join together, becoming the first two member companies of Home Comfort Alliance with locations in Sumner, Redmond & Everett. -
Here we grow again! – 2020
MM Comfort Systems purchases Scribner Electric, providing more electrical services to residential and commercial customers.
Sullivan Heating and Comfort Mechanical become part of the family of brands, adding a commercial division and extending services throughout Washington's peninsula. -
Alpine Aire joins the team – 2021
Alpine Aire of Wenatchee is acquired, bringing the promise of comfort to homes east of the mountains. -
Full Plumbing Services Added – 2021
MM Comfort System develops a full service & installation plumbing department to better service its customers and round out the whole home services for heating, cooling, electrical & plumbing services. -
Home Comfort Alliance is launched – 2022
A rebranding initiative introduces Home Comfort Alliance to represent the joining together of all our companies delivering the comforts of home. -
Our Promise of Comfort – 2025 & Beyond
Home Comfort Alliance continues to grow and provide the most comfortable & professional solutions for or clients homes and businesses.
2017, 2018, 2022
2010, 2012, 2013, 2014, 2015,
2016, 2017, 2019, 2020
2017, 2019
A Highly Accredited Alliance of Companies
Why Choose Home Comfort Alliance?
Your Comfort is Our Promise
We promise...
Reliable heating, air conditioning, plumbing and electrical service - all from one trusted company.
To educate and guide you through your options so you’ll find the right solution at the right price.
Knowledgeable and respectful workers who ensure both your own comfort during the installation process, and lasting comfort from your home systems.
Outstanding service, communication, and follow-up, so your home is comfortable now and for years to come.
It's a promise we've kept with thousands of homeowners across Western Washington
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Your satisfaction and comfort are our top priority. If for any reason you are not completely satisfied with our service, contact us and we will do everything we can to make it right.
