Columbus · Keystone
One trusted local team for every job around the house
Licensed, bonded and reviewed in public. One local crew for electrical, HVAC, plumbing and the remodels in between.
5.0 rated · OH License #HS-48210 · Bonded & insured · Mon–Fri 7 AM–7 PM, Sat 8 AM–4 PM, Closed Sunday
OH License #HS-48210
Licensed and insured
Carrier
Verified and current
Trane
Verified and current
Lennox
Verified and current
Why Keystone
One trusted local team for every job around the house
One team, not a rotating cast
The same local crew handles your repairs, installs and upkeep, so nobody has to relearn your home on every visit.
A flat price before we start
You see the full, written price up front — parts, labor and cleanup included — and approve it before any work begins.
Work that holds up
We fix the underlying cause, use quality parts, and back every job with a written workmanship warranty.
What we do
Everything the house needs, under one roof
Licensed, bonded and reviewed in public. One local crew for electrical, HVAC, plumbing and the remodels in between.
Repairs
Installations
Maintenance Plans
Emergency Service
Inspections
Remodels & Upgrades
Not sure where you fit?
Tell us what happened and we will point you the right way.
About us
Built on doing this properly
Everything we claim is something you can check — the licence number, the insurance, the reviews. We would rather be the firm that shows its paperwork than the one that talks loudest.
You will find us at 820 Marconi Blvd, Columbus, OH 43215. Mon–Fri 7 AM–7 PM, Sat 8 AM–4 PM, Closed Sunday.
20+
Years serving Central Ohio
18k+
Jobs done right
Same-week
scheduling on most work
How it goes
What happens when you call
01
1 · Tell us what's going on
Call or book online and describe the problem or project. We ask the right questions and schedule a visit that fits your week.
02
2 · Get a clear plan and price
A technician assesses the work on-site, walks you through the options, and hands you a flat, written price.
03
3 · We do it right and clean up
We complete the work to code, test it, and leave the space cleaner than we found it — then back it in writing.
04
We stay reachable
The same people answer the phone after the job as before it.
Straight pricing
You know the number before we start
Flat rates, quoted up front. No hourly meter running while somebody walks back to the van.
Service call
A one-off diagnostic on something that is misbehaving.
$89
per visit
✓ Full diagnostic on one system
✓ Flat-rate repair quote up front
✓ Fee credited against the repair
✓ Workmanship guarantee
Most chosen
Care plan
Two visits a year, and you go to the front of the queue.
$19
per month
✓ Spring and autumn visits
✓ Priority scheduling when it is busy
✓ No overtime charges, ever
✓ 15% off any repair
✓ Diagnostic fee waived
Replacement
Sized properly for your house and your bills.
Quoted
after a survey
✓ Load calculation, not a rule of thumb
✓ Survey and quote are free
✓ Factory-trained fitters
✓ Finance options available
In their words
What people say
★★★★★
Same crew every time, always on time, and the price they quote is the price I pay. I don't call anyone else anymore.
Danielle R.
Dublin, OH
★★★★★
Booked in the morning, fixed by afternoon. The tech explained everything and didn't try to sell me anything I didn't need.
Marcus T.
Columbus, OH
★★★★★
They've handled every project in our house for over a decade — repairs, a water heater, and a full kitchen remodel. Always straight with us.
The Okafor family
Westerville, OH
Before you call
Questions we get every week
How much does a repair cost?
You get a written, flat-rate price before any work starts. The diagnostic fee is credited toward the repair once you approve it.
How soon can you come out?
Most repair calls are scheduled the same week, and we keep slots open for urgent problems that can't wait.
Should I repair or replace it?
We'll show you the honest math. If a repair is the smarter spend we'll say so, and if replacement makes more sense long-term we'll explain why.
How long does an installation take?
Most standard replacements are completed in a single day. Larger projects may take two, and we'll tell you up front.
Do you offer financing?
Yes. Qualified homeowners can finance a new system on a low monthly payment with approved credit.
What does the plan include?
Scheduled tune-ups, priority scheduling, and member discounts on repairs — all for one flat annual price per home.
Need someone out today?
Call (614) 555-0142 and talk to someone local. Nights and weekends included.
Mon–Fri 7 AM–7 PM, Sat 8 AM–4 PM, Closed Sunday