Commercial HVAC Service & RTU Repair in Metro Detroit | Air Handlers
Commercial HVAC · Metro Detroit

RTU Replacement & Commercial HVAC Service — Answered by a Local Human, Every Call.

No voicemail mazes. No offshore call centers. When your rooftop unit goes down or your tenants lose heat, you reach a real Air Handlers tech in Auburn Hills — and we move fast.

41 yrs
Locally owned since 1985
50+ mi
Metro Detroit service radius
100%
Calls answered by a local human
Free Commercial Quote

Get a same-day callback

Takes about 30 seconds — no obligation.

What service do you need?

You're all set.

A local Air Handlers tech will reach out shortly. For emergencies, call (248) 625-8913.

★★★★★ 5.0 Google Rating
Auburn Hills, MI
Licensed & Insured
BBB Accredited
Locally Owned Since 1985
The problem

Your last HVAC contractor disappears the moment something breaks.

Property managers and facility owners across Metro Detroit are tired of the same story: a tenant calls about no heat, you call your contractor, and you sit on hold while a unit sits dead. We hear it every week.

  • Slow response times from your existing contractor while tenants pile up complaints
  • Rooftop units that won't cool because no one diagnosed the makeup-air issue before it cascaded
  • Surprise invoices with no upfront pricing or scope
  • Voicemail and offshore call centers when you need a real technician on the phone
Commercial rooftop HVAC units on a Detroit-area building
What we service

Commercial HVAC built for the buildings you manage

From single rooftop units on a strip mall to multi-building portfolios with chillers, boilers, and process heating — we cover the full stack.

Most Requested Rooftop unit replacement and service

Rooftop Units (RTUs)

Replacement, retrofit, and emergency service for packaged rooftop units on offices, retail, industrial, and multi-tenant buildings.

Commercial chiller maintenance and repair

Chillers & Cooling

Commercial AC repair, chiller service, computer room units, and process cooling. We diagnose root causes — not just symptoms.

Steam and hot water boiler installation and repair

Boilers & Heating

Steam and hot water boilers, tube heaters, process heating, and unit heaters — including waste oil units — across Metro Detroit.

Make-up air units and exhaust fan service

Make-Up Air & Exhaust

Make-up air units, exhaust fans, and ventilation balancing — the systems that quietly keep your RTUs working properly.

Indoor air quality and humidification systems

Indoor Air Quality

Commercial humidification, mini-split systems, heat pumps, building automation, and controls for tenant comfort and compliance.

24/7 Emergency commercial HVAC service

Emergency & Maintenance

24/7 emergency response for old folks homes, offices, and industrial sites. Plus preventative maintenance plans that catch issues before they cost you tenants.

How it works

From the first call to a fixed unit — usually same week

1

Call or Request a Quote

Reach a real human on our team — not a voicemail or robot.

2

Site Visit & Diagnosis

A licensed tech comes out, inspects your unit, and identifies the root cause.

3

Honest Quote, No Surprises

Upfront pricing with scope, parts, and timeline before any work begins.

4

Job Done Right

Repair or install handled by our in-house team. Tenants happy. You move on.

Why Air Handlers

41 years of commercial HVAC — under one local owner.

Most Metro Detroit HVAC companies focus on residential and treat commercial as a side gig. We do the opposite.

Every call gets a human

No voicemail. No offshore call center. No robot menus. A real local team picks up — including after hours for emergencies.

Fast on-site response

Property managers consistently call out our response time as the #1 reason they keep us on retainer. Emergency calls move first.

Fully licensed & insured

BBB accredited, mechanical licenses, boiler licenses. The credentials that let your property insurer sleep at night.

Fair, upfront pricing

You see the scope and cost before we start. No mystery invoices, no scope creep, no "while we were in there" charges.

Built for commercial properties

Property management firms, regional chains, apartment portfolios, industrial sites, old folks homes — commercial is what we do.

Local roots since 1985

Auburn Hills born and based. Our shop, our trucks, our techs — all Metro Detroit. We answer to neighbors, not a corporate HQ in another state.

What customers say
★★★★★ 5.0 on Google Reviews

Real reviews from Metro Detroit property owners

★★★★★

"Air Handlers came out to inspect my rooftop unit and took the time to explain what to look out for moving forward. They now handle my preventive maintenance, and I couldn't be happier. Huge thanks to Ethan and Jamie for being so professional and thorough. Highly recommend!"

CR
Cianna Retsel Google Review
★★★★★

"Tony did a great job diagnosing and fixing our tube heater issue. He quickly identified a dirty flame sensor as the root cause, cleaned it, and had the system heating properly again with no more cycling issues. Professional, efficient, and clearly knows his stuff. Highly recommend."

RM
Roy Mason Google Review
★★★★★

"Air Handlers came out to check my rooftop unit and gave me solid guidance. Ethan really helped point me in the right direction for getting on a preventative maintenance schedule. Professional, helpful, and easy to work with."

CC
Colleen Chunn Google Review
★★★★★

"Air Handlers did great work and the installation was seamless. A huge thank you to Adrienne for providing the best customer service; she was incredibly helpful and made the entire process easy. Highly recommend!"

AM
Alicia McMiller Google Review
★★★★★

"Matt was super professional but easy going all in the same matter. Took pride in his work but took the time to answer all the questions I had during the process on servicing my furnace. And he was SUPER pleasant in accommodating my very helpful cat in the mix. Top notch service!"

LJ
Laura Johnson Google Review
★★★★★

"Matt was very professional and courteous. Although I didn't care if he wore covers on his work boots he did use them which really impressed me. He didn't seem to mind all of my questions about what he was doing. He did a great job and I would highly recommend this company."

KJ
Kathy Johnson Google Review
Service area

Based in Auburn Hills. Serving 50+ miles across Metro Detroit.

Based in Auburn Hills, MI

Our shop, our trucks, and our techs are all local. We're not a national franchise — we live here and service every building in our area code.

Office
1740 Opdyke Ct, Auburn Hills, MI 48326
Hours
Mon–Fri 7:00am–5:00pm · 24/7 Emergency Service
Detroit Auburn Hills Troy Royal Oak Pontiac Sterling Heights Warren Southfield Farmington Hills Novi Rochester Hills Livonia
Common questions

Quick answers before you call

Commercial is our focus — property management firms, retail chains, offices, industrial sites, multi-family, and senior living. We do handle some residential, mainly high-end homes with commercial-grade equipment. If you're not sure, just call.
For emergencies — no heat, no cooling, or a tenant-impacting failure — we typically respond same day. Standard service calls are scheduled within 24–48 hours. Speed of response is the #1 thing our customers compliment us on.
Yes. Quotes for repairs, replacements, and maintenance plans are free, with no obligation. We're upfront about scope and pricing before any work starts.
We serve Metro Detroit and a 50+ mile radius from our shop in Auburn Hills, MI — including Detroit, Troy, Royal Oak, Pontiac, Sterling Heights, Warren, Southfield, Novi, Rochester Hills, Livonia, and surrounding areas. If you're outside that bubble, give us a call and we'll let you know if we can help.
Fully licensed and insured. We hold mechanical licenses and boiler licenses, and we're Better Business Bureau accredited. Documentation is available on request — we know your property insurer asks.
Yes. We work with property management companies that handle hundreds of buildings, regional chains with dozens of locations, and single-building owners. We're set up for one rooftop unit or sixty.
A real local Air Handlers team member calls or texts you the same day to get a few details. We then dispatch the right tech for the job: an estimator for installs, a service manager for repairs. No middlemen, no handoffs to a call center.

One call. A real human. Your unit running again.

Talk to a local Metro Detroit tech today — no voicemail, no offshore call center, no runaround.