Established in 1987...
Founded in 1987 by Mark Downing, Granite State Mechanical Services has provided professional installation and service of heating, cooling, and plumbing products for New Hampshire’s homeowners and businesses for over 30 years. Throughout the course of 3 decades, we’ve learned a lot and still to this day continue to innovate to always make sure we are arriving at a customer’s home as the experts in HVAC and plumbing.
...and continuing strong
Now entering 35+ years of serving our New Hampshire homeowners and local businesses, Mark's two sons Zak & Jack are fully involved as the second generation. You can find Zak running the business as well as visiting customers to look at projects. Jack is our Service Manager, leading our team of technicians in repairing and maintaining the advanced systems used to heat and cool NH homes. Together they lead a bright future for GSMS.
When you need service or repairs on your home's heating, cooling, or plumbing system we are ready to serve you. From the moment you call our office to when our truck is backing out of your drive, your experience with GSMS will be exceptional. We strive to train and educate our Specialists so they have the knowledge and experience to properly provide you with service.
GSMS is our DNA
- We challenge ourselves to find positivity - it’s easy to be negative
- We create a vision for tomorrow by recognizing yesterday’s work
- It isn’t a failure as long as we learn from it
- We visualize the good in our lives without ignoring the bad
- This is a daily habit for us
- No one takes better care of our clients than we do
- We have clients, not customers - customers are transactions, clients are relationships
- Our solutions are never based on sales
- We build integrity through honesty
- We always do what is right, even when it can be challenging
- If an issue arises, we solve it promptly
- The details we consider the smallest, have the greatest impact
- Everything we do is with a future mindset for serving our clients
- What seems like our daily can be someone’s once-in-a-lifetime
- Take a minute out of your day to make someone else’s day
- We don’t half-ass anything
- Everything we do individually affects our team
- No one takes better care of their people than we do
- Communication is everything
- Our vendors are part of our team and we treat them like it
- We grow each other by sharing our knowledge
- No gossip or speaking poorly, we are professionals
- Open door policy about everything
