Simpson Sheet Metal
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Simpson Sheet Metal
At Simpson Sheet Metal, we pride ourselves on our full range of HVAC services to ensure that we can help with your specific needs. As a licensed contractor in Santa Rosa provide general HVAC service and repair for any homeowner in need of heating and air conditioning services in the greater Bay Area.

Want to get ahead by scheduling preventive HVAC system maintenance on your household or commercial unit? Our trained experts will help properly maintain and clean your heating and cooling systems. We can also design custom sheet metal appliances for a new construction project. Or, if you are interested in investing in energy savings and a greener future.

Whatever the situation, we have you covered. We create all our materials in-house to ensure the highest quality possible and always guarantee a quick and painless HVAC installation process. We can't wait to get started-whether it's designing, building, installing, or repairing. If you can imagine it, we can help.
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When Bill and Nancy Simpson met nearly 40 years ago, their marriage wasn't the only perfect union formed: Bill's HVAC industry expertise and Nancy's 15 years of business experience came together beautifully to create Simpson Sheet Metal as we know it. Since then, our team of 6 has grown into nearly 60.
Bill had been working within the HVAC industry since he graduated from high school and Nancy brought the business end to the equation as she had 15 year's prior experience in the banking industry. Simpson Sheet Metal started out with 6 employees and has now grown to 75 employees. When starting out, our humble heating and air conditioning company worked on mostly residential projects before quickly branching out into the commercial industry.
Carrier Factory Authorized Dealers are the home heating and cooling experts to turn to. They are your single resource for everything you need - from tailoring your ideal comfort system to installation, service and beyond. Look for the Carrier Factory Authorized Dealer seal of approval - it means your dealer has met our rigid criteria for quality.
We know comfort is important. That's why we offer a full line of services aimed at keeping you comfortable all year round. Residential or commercial, heating or cooling, maintenance or replacement-we're here to be whatever you need us to be. We'll help you design the products you want, build the equipment and appliances you need, and install or repair the units you can't live without.
If you need a dependable commercial HVAC company for repairs, regular maintenance, or new installations, we are here to help. Simpson Sheet Metal is here to serve all your commercial HVAC service needs from Plan-Spec to Design Build Projects, as well as upgrade, replacement, or HVAC maintenance. Our employees and experienced technicians offer the knowledge, skills, and training to work on all types of commercial HVAC projects.
Reviews (12)
Ann Elliott
Ann Elliott
Dec 30, 2021
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Simpson Sheet Metal changed out our 30+ year old propane heater for a Mitsubishi heat pump system. Their price was unbeatable. Their estimator and installation crew were knowledgeable, efficient, and clean. Permitting and inspections were handled smoothly by their contractor Archon Energy. Heater works great. Positive experience all around.
Catherine DePrima
Catherine DePrima
Apr 29, 2021
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If I could give Simpson more than a five star rating I would. It was a great experience from first meeting John, the sales person, to working with the office, to the installers, to even the final permit with the City. (The inspector actually said that Simpson does everything right and are one of the best companies around.) We interviewed several companies and Simpson was the most professional, responsive and knowledgeable by far. I’m now working from home in an upstairs office and without our new Mitsubishi Split System it would be unbearable. We totally love it! Thanks Simpson, for making it
James Hayes
James Hayes
Dec 02, 2020
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As a contractor I used to use this company for all my sheetmetal and hvac projects for all the homes I built, nowadays I'm lucky to make it past the front door to get some sheetmetal cut. To note the boys in the shop are great but I don't recommend this company to anyone so much so that I go out of my way to make sure no one else does either.
Matt Farnham
Matt Farnham
Oct 18, 2020
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The experience I had with Simpson Sheet Metal was amazing in getting our Mitsubishi ducted mini-split HVAC (to replace our wall furnace & wall shaker A/C) installed last week! This week was the first real test of the A/C performance and I'm thrilled to say the system performed flawlessly and easily kept our home at a max 71 degrees while the outside was a 95+ degree sauna! One fear I had beforehand in adding HVAC was noise pollution, and this system is whisper quiet inside and barely audible outside!
In particular every employee I directly worked with was top notch. John was wonderful through
Jason Jennings
Jason Jennings
Sep 06, 2020
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Love these guys! If we need something fabricated it always turns out beautiful and on the one rare occasion something was off they took it back and made it right.
Cyndi Burkey
Cyndi Burkey
Sep 01, 2020
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We met with Jonathan who assessed our heating and cooling situation at our home. We wanted to purchase a mini split heating/cooling system for our home and unfortunately the way our home is configured utilizing the system wouldn't make sense to us. Jonathan couldn't have been more forthcoming and helpful to us, answering all our questions. A wonderful representative of the company...and if I were you, I wouldn't hesitate to call the company, especially if you are interested in the electric mini-split system.
Jason Zajonc
Jason Zajonc
Jun 27, 2020
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
Professional all the way through, from the estimate to the install time was great work. The price was super fair and we are very happy to have used them 100% amazing people
Service: AC installation
Lark Coryell
Lark Coryell
Nov 21, 2019
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Simpson Sheet Metal is awesome! John was great to work with. Bernie was our installer, and wow, what a great job; he fixed pipes and roofing that could have either burned the house down or asphyxiated us. Thank you guys!!
Annie Zaks
Annie Zaks
Oct 29, 2019
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Simpson Sheet Metal did a fantastic job installing a new AC system in our house. They came highly recommended as they worked on several others housees in our neighborhood. Jon Roncone was our estimator, and was very patient with all our questions; he gave us a great price. Bernie did the field work, was super friendly, and worked very efficiently! Highly recommend this company, you won't regret it!
Adelina Felciano
Adelina Felciano
Nov 09, 2018
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They are professional, clean, and great group of people. Would I hire them again; yes! Thank you Simpson.
Patrick T.
Patrick T.
Aug 07, 2018
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I hired Simpson Sheet Metal to install AC in my home. From getting a quote through John, all the way through install, these guys were great. Very pleased with how it all went.
Mike Grover
Mike Grover
Aug 31, 2017
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Appointment set for 12-2, called at 2:05 they said he was on his way, now 4:30, no call, nothing, 6 no call nothing, you're fired. By the way, you owe me the 400 bucks I lost by missing a day at work, small claims court on the way. Go to Moore, they'll call ya 2 days before and call when they're on the way, what a concept. How can you get so bad in 7 yrs.? Did a great job on heater in 2009.