Expert Mechanical Services for Hamilton’s Homes and Businesses
Serving residential, commercial, and industrial clients since 1892, J.O. Mory delivers reliable HVAC services, electrical work, plumbing repairs, and geothermal heating solutions—all from one trusted contractor.
Comfort Solutions Inspired by Excellence & Innovation
Good for your home. Good for your business. Good for the bottom line.
Supporting a Town that Blends Quiet Living with Steady Growth
Hamilton may feel like a getaway, but behind every peaceful home or busy shop is a mechanical system working hard to keep things running. At J.O. Mory, we help Hamilton homeowners and property managers keep those systems efficient, safe, and up to code, with full-service mechanical support that’s just around the corner.
What We Offer in Hamilton
Residential Services
Whether you’re preparing your home for winter or upgrading an outdated panel, we deliver reliable HVAC, electrical, and plumbing work that fits your home’s needs, from traditional systems to energy-efficient upgrades.
- Residential HVAC Services
- Plumbing Services
- Electrical Work
- Geothermal Heating & Cooling
- HVAC
- Electrical
- Plumbing
- Geothermal
Commercial Services
Local businesses in Hamilton trust us with the systems behind their success—climate control, power distribution, and water systems that operate quietly and consistently.
- Commercial HVAC
- Commercial Electrical
- Plumbing Solutions
- Industrial Systems
- Custom Fabrication
(Built for commercial specifications)
- HVAC
- Electrical
- Plumbing
- Custom Design / Fabrication
Industrial Services
If your property includes a workshop, small facility, or production area, we provide mechanical support that meets code and performs under pressure, including ventilation, piping, and control systems.
- Industrial HVAC, boilers, chillers & climate control
- Power distribution systems & industrial-grade wiring
- Process piping & water system installations
- Backup power and control panels
- HVAC & Mechanical Systems
- Electrical
- Plumbing
- Custom Design / Fabrication
Custom Metal Fabrication
Full-service metalwork for industrial, commercial & custom projects, powered by Mory Metal Fabrication.
- Press braking
- Plasma cutting
- Shearing & forming
- Professional installation available
- Welding & finishing
- Sheet metal
- Band sawing & painting
One Partner. Complete Solutions. Trusted Since 1892.
At J.O. Mory, we don’t just install systems; we build long-term partnerships. For over 130 years, we’ve built a reputation for dependable service, energy-efficient systems, and fast, professional solutions.
Why Hamilton Relies on J.O. Mory
- Regional experience across small towns and rural facilities
- Trained professionals in every trade — HVAC, plumbing, electrical
- Prompt, dependable service for planned work or emergencies
- Trusted throughout DeKalb County for more than 130 years
Whether you need residential HVAC installation, commercial HVAC repair, or a certified geothermal heating professional, our licensed team can handle the job on time and up to code.
Our Mission
J.O. Mory, Inc., is committed to the residential, commercial and industrial customer. We achieve this by delivering superior value and service through a qualified workforce, quality products, leading edge technology, and understanding the needs of our customers.
We continue to provide our customers with peace of mind through our pride and relentless drive for progressive improvement in both our products and services.
Our Philosophy
J.O. Mory believes in doing it right the first time.
Our Promise
J.O. Mory promises to provide the most reliable service possible.
Our Pledge
To get the job done the way you want it, within the time frame you need it, and within your budget.
Experienced. Certified. Dependable.
Choosing the right contractor matters when your comfort, safety, or operations are on the line. From bid to install to maintenance, J.O. Mory delivers expert service, makes projects run smoother and buildings operate more efficiently.
What Sets Us Apart:
Experienced & Certified Technicians
Trained professionals in HVAC, plumbing, electrical, and geothermal systems.
Fast & Reliable Service
24/7 availability for emergency repairs and same-day service when it matters most.
Energy-Efficient, Cost-Saving Solutions
From high-efficiency HVAC installs to geothermal systems, we help you save long-term.
Backed by a 130-Year Reputation
Known across Northeast Indiana for honest service, expert craftsmanship, and dependable results.
Serving Homes & Businesses Across Northeast Indiana
J.O. Mory provides expert HVAC repair, plumbing installation, electrical upgrades, and geothermal heating solutions across Northeast Indiana. No matter your location, our certified technicians deliver fast, reliable service backed by over 130 years of experience.
Allen County
LaGrange County
Noble County
Steuben County
We Are Involved in Our Community & Industry
They say no man is an island, and we believe that’s true for businesses as well. We thrive on being active participants in our communities and industry.
Trusted by Homeowners, Businesses & Builders Across Northeast Indiana
Homeowners, businesses, and contractors continue to choose J.O. Mory for one reason: we deliver on our promises. From emergency HVAC repairs to full-scale geothermal installations, our clients know they can count on us for expert service and honest work.
Abel with J O MORY is the best technician. He was friendly, very knowledgeable, and professional.
This company has done work for us over the course of 22 years. We have been happy with response time. Professionalism of technicians and quality of work.
We have been satisfied with their work each time.
Great job! Professional and friendly. JO Mory did a great job installing my new furnace, looks and runs great. Mason has been back to do routine service and has done an awesome job!
We have been customers of JO Mory since we moved to Fort Wayne in 2001. We have used them for emergency and routine services. They installed our residential backup generator and rewired our entire electrical system in our home.
We cannot say enough about Greg F. He is knowledgeable about many household functions. He is very professional, trustworthy, and a joy to have him work on our home. He is the best plumber in Fort Wayne.
The service manager Kurt was great to work with and puts customer service first.
I am very happy working with Kevin M. He was very responsive and helpful and definitely a great value compared to others in the market. I have also used their preventative services and that was also a great experience!
Blogs
Let’s Help Your Systems Run Smarter
We’re nearby, we’re licensed, and we’re ready to help — from home comfort to large-system design. Schedule mechanical service in Hamilton, IN, today.
Reliable Service Any Time in Any Day
Whether you’re dealing with an emergency, planning a system upgrade, or starting a new project, J.O. Mory is ready to help. Our licensed team is standing by to deliver expert service across Northeast Indiana.