Dear Three Generations,
We've used Three Generations for 20 years. Dale replaced our furnace and we had heat back before dinner. Honest pricing, wonderful people. They're the only HVAC company we'll ever call.
Serving Columbus Since 1981 · 3rd Generation Family Business
When your heat goes out in January or your AC fails in August, you need someone you can trust. That's been us for over 40 years.
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Furnace Repair
Fast, reliable furnace repair — same-day service available
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AC Installation
Energy-efficient systems sized right for your home
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Heat Pump Service
Installation, repair, and seasonal tune-ups
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Duct Cleaning
Improve air quality and system efficiency
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Boiler Service
Expert boiler installation, repair, and maintenance
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Air Quality Testing
Identify allergens, humidity issues, and ventilation gaps
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Thermostat Install
Smart and programmable thermostat setup
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Preventive Maintenance
Annual tune-up plans to prevent costly breakdowns
— real words, real neighbors —
Letters from Columbus families.
Forty-four years of trusting relationships — one honest job at a time. These are the neighbors who let us into their homes.
1,847 Columbus families · since 1981
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Dear Three Generations,
My furnace went out on a Thursday night in January. Dale's crew was there by 10am Friday and had it fixed by noon. Grandma Earl would be proud.
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Dear Three Generations,
Three generations of my family have used Three Generations HVAC. The quality and honesty never changes. That says everything.
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Dear Three Generations,
After being upsold by two other companies, Dale came out and told me I just needed a part — $180 vs $3,200. I cried. Honest people are rare. These folks are the real deal.
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Dear Three Generations,
Annual maintenance plan for six years. Our system is 18 years old and still running perfectly. Worth every dollar.
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Dear Three Generations,
Dale installed our new AC and was patient enough to explain everything. He even called the next day to make sure we were cool. Old-school service. I love it.
— our history —
A family story, four decades long.
1981
Founded
Earl Kowalczyk starts the business with one truck and a handshake promise.
1998
Mike joins
Earl's son Mike joins the crew — second generation begins.
2014
Tyler joins
Mike's son Tyler comes on board, completing the three-generation circle.
2023
Today
Three generations, one standard. Still the same promise Earl made in 1981.
1981 — Founded
Earl Kowalczyk starts the business with one truck and a handshake promise.
1998 — Mike joins
Earl's son Mike joins the crew — second generation begins.
2014 — Tyler joins
Mike's son Tyler comes on board, completing the three-generation circle.
2023 — Today
Three generations, one standard. Still the same promise Earl made in 1981.
— our promise —
Three generations.
One standard.
"My grandfather Earl started this business in 1981 with one truck and a promise: treat every customer's home like your own. My father carried that on. Now I do. We've never changed that promise — and we never will."
— the people who show up —
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Earl Kowalczyk
Founder · Master HVAC
On the trucks since 1981
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Mike Kowalczyk
Owner · NATE-certified
On the trucks since 1998
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Tyler Kowalczyk
Lead Tech · Carrier-trained
On the trucks since 2014
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Dale Aviles
Service Manager
With us since 2009
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Renee Hostetler
Dispatch & Scheduling
Answers your call
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Honesty, Always
No upsells. No pressure.
We diagnose the real problem and give you honest options — repair or replace. We never recommend what you don't need.
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44 Years of Experience
3 generations, same standard
We've seen every furnace, every boiler, every cooling system. That depth of experience means faster diagnosis and better outcomes.
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Our Guarantee
If it's not right, we make it right
Every job comes with our family promise: if you're not satisfied, we come back until you are. No arguments, no hassle.
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Neighbors Helping Neighbors
Local for 44 years
We live here too. We go to the same schools, the same churches, the same hardware stores. Your reputation is our reputation.
— our work —
Every job, done like
it's our own home.
These are a few recent projects — before and after. Drag the divider to compare. Every project gets the same care, no matter the size.
project 01
Full HVAC System Replacement
Dublin, Greater Columbus
Complete system replacement: new Carrier furnace, AC, and coil in one day.
Get a similar result
project 02
Boiler Restoration
Bexley, Greater Columbus
1960s cast iron boiler serviced and extended another 10 years. No replacement needed.
Get a similar result
project 03
Duct Cleaning & Seal
Westerville, Greater Columbus
Full duct cleaning and sealing dropped heating bills by 22%.
Get a similar result— what we do —
Heating & cooling,
done right.
Whatever your HVAC need — repair, installation, or seasonal tune-up — our family has handled it for over four decades. We've seen it all, and we fix it right the first time.
06
Air Quality Testing
Identify allergens, humidity issues, and ventilation gaps
Schedule this service
Not sure what you need? Give us a call — no pressure, just honest advice.
Schedule a free visit— where we work —
Proudly Serving Greater Columbus
If you're within 40 miles of downtown Columbus, we're your neighbors. Since Earl started this company in 1981, we've never left. We live here too — your neighbors for three generations.
We've worked in every corner of Greater Columbus — from the old brick homes of Bexley to the new builds in Lewis Center. We know these neighborhoods because we grew up in them.
Communities we serve:
- Columbus ,
- Dublin ,
- Westerville ,
- Worthington ,
- Gahanna ,
- Bexley ,
- Hilliard ,
- Grove City ,
- Pickerington ,
- Reynoldsburg ,
- Lewis Center ,
- Powell ,
- New Albany ,
- Whitehall ,
- Upper Arlington ,
- Grandview Heights
Within 40 miles of downtown Columbus
Not sure if we cover your area? Just call — we'll tell you straight.
1981
Year Earl started it all
44 years
Serving Columbus families
3 generations
Earl → Mike → Tyler
40-mile radius
Greater Columbus coverage
(614) 555-0931
24/7 Emergency Heating & Cooling Response
— no pressure, just honest help —
Schedule a Visit
We'll call you within the hour
No pressure. No sales tactics. Just an honest conversation about your home's needs.
44 yrs Serving Columbus families
Service hours
- Monday – Friday 7:00 AM – 6:00 PM
- Saturday 8:00 AM – 3:00 PM
- Sunday Emergency Service Only
Tell us about your home
We'll call back within the hour