Furnace repair
No heat or a furnace that keeps shutting off. We find the problem and do the least expensive repair that fixes it.
Ortonville, MI · Since 1979
Honest heating & cooling, family owned since 1979.
A-1 Indoor Comfort Systems has handled heating, cooling and plumbing from Ortonville since 1979. Family owned, honest about what you need, and fair on price.
- 4.8 from 35 Google reviews
- Family owned
- Free estimates
No heat or no AC?Call Mon–Fri, 9 a.m. to 5 p.m.
Call nowHeating & coolingRepair, install, tune-ups
PlumbingWater heaters and more
- Average across 35 Google reviews
- 4.8Average across 35 Google reviews
- Established in Ortonville
- 1979Established in Ortonville
- Owned for more than 30 years
- FamilyOwned for more than 30 years
- Estimates, plus a senior discount
- FreeEstimates, plus a senior discount
Services
Heating, cooling and plumbing, one call.
One local team for the furnace, the air conditioner and the water heater, with a straight answer on what really needs fixing.
AC repair
Air conditioner not cooling? We get it back up and running and explain what went wrong.
New systems
Furnaces and air conditioners installed cleanly, inside and out, with a free estimate first.
Twice-a-year tune-ups
Fall furnace and spring AC checks that keep your systems well maintained.
Water heaters
Water heater repair and replacement, even when a home warranty company isn't helping.
Plumbing
Plumbing is one of our specialties, along with heating and cooling. Tell us what's going on.
Seniors: ask about our senior discount when you call.
Free estimateBefore the cold sets in
Book your fall furnace check.
A quick check now beats a cold house on a Sunday morning. Call Monday to Friday, 9 a.m. to 5 p.m., or send a request any time.
(248) 379-3300
Tap to call from your phone
Why A-1
Honest work, from people who show up.
Customers talk about Matt by name: how fast he came out, how clearly he explained things and how he saved them money. That's the A-1 way.
Call (248) 379-3300Family owned since 1979
A local Ortonville company, family owned for more than 30 years.
Honest recommendations
Customers say we do the least expensive repair necessary, not the biggest sale.
Fast when it matters
Reviewers mention Matt arriving within half an hour, and even on a Sunday morning.
Clean installs
Inside and outside left spotless, like we were never there.
Fair prices
Fair, reasonable rates, free estimates and a senior discount.
Long-term care
Many customers have us check their furnace and AC twice a year, year after year.
How it works
Simple, start to finish.
- 01
Call or send a request
Call (248) 379-3300 on weekdays, or send the form any time and tell us what's going on.
- 02
We find the problem
We explain what's wrong and what it takes to fix it, with a free estimate before any big job.
- 03
Fixed and running
We do the work, test it and leave your home clean.
Reviews
Neighbors who found their go-to.
“Matt was amazing. He made it out within a half hour from our original phone call. He identifies the issue and was able to get the air back up and running. Great rates and super attentive.”
Kim Tomei2021
Google“Matt is a complete professional. Highly knowledgeable, honest, happy to explain the situation, and incredibly conscientious about ensuring the system is working right. The pricing is very reasonable - but on top of that, he did everything in his power to save us money and do the least expensive repair necessary.”
Jon Irvine2020
Google“This is such an honest and professional company. They only make promises that they can deliver on. They installed a unit in our bonus room that is incredible. When they left, you never would have even known that they were there. Both the inside and outside were spotless.”
Kathy Mann2019
GoogleQuoted word for word from public Google reviews (excerpts). On the live site, your newest Google reviews can appear here automatically.
Service area
Rooted in Ortonville, on State Park Road.
Our shop is on State Park Road in Ortonville, in north Oakland County.
- Ortonville
- Brandon Twp.
- Clarkston
- Goodrich
- Holly
- Oxford
- Davisburg
Sample list: the dashed towns are placeholders until we confirm your service area
What are your hours?
Monday to Friday, 9 a.m. to 5 p.m. Send a request through the form any time and we'll get back to you.
Do you give free estimates?
Yes. We offer free estimates.
Do you do plumbing too?
Yes. Heating, cooling and plumbing are our specialties, including water heater repair and replacement.
Will you try to repair before replacing?
Yes. We'll explain the situation and do the least expensive repair that actually fixes the problem. If replacing makes more sense, we'll tell you why.
Do you offer maintenance plans?
Many customers have us check their furnace and air conditioner twice a year. Ask us to set that up for you.
Do you have a senior discount?
Yes. Ask about our senior discount when you call.
Free estimate
Tell us what you need.
Send a few details and we'll get back to you during business hours. If you have no heat, calling is fastest.