Fast, Reliable Emergency & Commercial HVAC Across Troy
When your furnace quits at midnight in January or your office rooftop unit fails before a Monday meeting in Troy, you need a company that answers the phone and shows up. Fireside Heating & Air Co. has dispatched our Emergency & Commercial HVAC crews to Troy for over four decades, and we know the local systems cold - from the two-zone colonials in the 48085 corridor to the aging package units along Big Beaver Road. Call (866) 561-3358 any hour; a live person picks up, every time.
Troy’s housing stock tells a specific story. The northern subdivisions off Livernois and Long Lake Road filled in fast between 1988 and 1994 with executive colonials fitted with early zoned forced-air systems. Those pneumatic damper actuators and zone control boards are now 30-plus years old, and they fail in ways that look like furnace problems but aren’t. We’ve sorted out enough of these at 2 a.m. to know the pattern by heart. Meanwhile, the commercial spine along M-102 keeps us busy with rooftop units battling Oakland County’s hard water and Detroit’s temperature swings. Same city, two very different HVAC challenges. We handle both.
Why Fireside Heating & Air Co. Is Troy’s Preferred Emergency & Commercial HVAC Company
We’ve been serving southeastern Michigan homeowners since 2018, and Troy has been on our route map from the start. Glen Hartman built this company on the idea that you show up when you say, quote a price you stand behind, and fix it for real - not patch it and hope. That steady approach has earned us a strong local reputation across Oakland County, including repeat calls from Troy families who’ve used us for twenty years and now have their kids calling us too.
Our response time to Troy typically runs under an hour for emergency calls, depending on traffic on I-75 or Big Beaver. We keep common parts for Carrier, Trane, Bryant, and American Standard on our trucks because those brands dominate the Troy market, especially in the 1988-1994 build wave. When a zone damper actuator seizes on a sub-zero night, we don’t need to order parts - we replace it and rebalance the system before sunrise.
Every technician who enters your home or business is background-checked, uniformed, and trained as a journeyman. Shoe covers go on without asking. The 90-Day Done Right Promise applies to every job: if it’s not right, we make it right, in writing, no paperwork, no arguing. That’s the Keystone Standard, and it’s non-negotiable.
Our Emergency & Commercial HVAC Services in Troy
24/7 Emergency HVAC
Furnace failures in Troy don’t wait for business hours, and neither do we. A live person answers our phones 24 hours a day, 365 days a year - no voicemail tree, no call-center script. We’ve pulled into driveways off Crooks Road at 3 a.m. with temperatures at 4 below, and we’ve walked into Big Beaver office buildings on Sunday evenings when the rooftop unit quit before a Monday board meeting. The price quoted is the price paid, even at midnight. Our $50 Off Any Repair Over $250 applies to emergency calls too.

Commercial HVAC
Troy’s Big Beaver Road corridor, from Coolidge to Rochester Road, holds one of Oakland County’s densest concentrations of 1980s-2000s office mid-rises. The rooftop package units up there have logged 20-plus years of hard-water condensate scaling, summer humidity, and winter freeze-thaw cycles. We service and replace these systems with minimal disruption to tenant operations, often scheduling major work for weekends or after-hours. Our technicians are trained on the nine major commercial brands, and we carry the diagnostic tools for large-tonnage systems that residential-only shops don’t stock.

Rooftop Unit Service
The commercial rooftops along M-102 and throughout the Troy Corporate Park present a specific failure pattern we see repeatedly: compressor high-pressure trips caused by mineral scale buildup in evaporator coils. Oakland County’s groundwater is hard, and that scale chokes airflow and heat transfer until the compressor overheats. We clean, descale, and restore these units, and when replacement makes more sense, we size and install new package units with proper condensate management. Most jobs finish in a single visit.

HVAC Inspection
Before you buy that 1992 colonial in the 48085 zip, or before you renew a commercial lease on Big Beaver, an HVAC inspection from Fireside tells you what you’re walking into. For residential buyers, we check zone damper operation, original ductwork capacity, and whether the furnace was properly sized for the two-zone layout. For commercial clients, we assess rooftop unit condition, remaining service life, and pending code issues. The $89 Seasonal Tune-Up doubles as a baseline health check for systems you’re inheriting.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Troy
We maintain current training and parts access for Carrier, Trane, Bryant, and American Standard - the four brands we encounter most often in Troy’s 1988-1994 residential build and the commercial installations along Big Beaver Road. Our trucks carry common ignitors, blower motors, zone damper actuators, and control boards for these systems, which means most repairs don’t wait for a parts run. For less common brands or older equipment, our supplier network usually delivers next-day to Oakland County. We don’t push brand switches unless your existing system is truly unrepairable; our goal is to keep what you have running right.
Common Emergency & Commercial HVAC Problems We See in Troy Homes
- Stuck zone dampers mimicking furnace failure. In northern Troy’s 48085 and 48098 subdivisions, original pneumatic or early electronic damper actuators from the 1988-1994 build era seize during hard cold snaps. The furnace runs, but one floor gets no airflow. We’ve replaced dozens of these actuators on sub-zero nights - the fix is usually under $500, not a new furnace.
- Relay failures in older zone control boards. The motorized zone panels in 1980s-1990s Troy colonials develop intermittent relay contacts that cause zones to drop out randomly. Homeowners replace thermostats twice before calling us; we trace it to the board in about twenty minutes.
- Commercial rooftop compressor failures from hard-water scaling. The evaporator coils on Big Beaver office buildings accumulate mineral scale from Oakland County’s groundwater faster than in softer-water markets. That scale raises head pressure until the compressor trips or fails. Regular cleaning extends life; neglect means premature replacement.
- Bypass humidifier failure from mineral buildup. The executive-home market in north Troy added bypass humidifiers to many 1990s furnaces. Our hard water cakes the media pads and solenoid valves, cutting output and eventually killing the unit. Service intervals here run shorter than national averages.
Heating and Cooling in Troy Done Right
From Ann Arbor’s old farmhouses to the post-war brick ranches that fill the Detroit suburbs, this metro runs on furnaces that earn their keep. Fireside keeps them honest. We give you straight math on repair versus replace, tune-ups that catch the failure before the first freeze, and techs who put on shoe covers without being asked. Our shop is we coordinate through our Detroit Metro service area, dispatching licensed journeymen who treat your house like they’d treat their mother’s. That’s the K.E.Y.S. code, and it’s how we’ve worked since 2018.
The Keystone Standard applies to every job: 90 days, in writing, no arguing. If it’s not right, we come back. No paperwork, no runaround. Mention this page and take $50 off any repair over $250.
Heating and Cooling in Troy
Winters here start early and summers can turn humid fast. That first freeze or heat wave always finds the systems that skipped their tune-up. In Troy, we see a lot of builder-grade furnaces and ACs hitting their second decade, and we give straight talk on whether a repair is worth your money or if it’s time to replace. Our techs are licensed, insured, and trained to journeyman standard, because a job done right means you don’t have to think about it again. we coordinate through our Detroit Metro service area
We show up when we say, wear shoe covers without asking, and leave the price on the table before we start. The Keystone Standard covers every repair for 90 days, in writing, no arguing. If you’re in Troy and your system’s acting up, call us. We’ll handle it.
Heating and Cooling in Troy
Winters here start early and summers can turn humid fast. That first freeze or heat wave always finds the systems that skipped their tune-up. In Troy, we see a lot of builder-grade furnaces and ACs hitting their second decade, and we give straight talk on whether a repair is worth your money or if it’s time to replace. Our techs are licensed, insured, and trained to journeyman standard, because a job done right means you don’t have to think about it again. we coordinate through our Detroit Metro service area
We show up when we say, wear shoe covers without asking, and leave the price on the table before we start. The Keystone Standard covers every repair for 90 days, in writing, no arguing. If you’re in Troy and your system’s acting up, call us. We’ll handle it.
Pricing for Emergency & Commercial HVAC in Troy, MI
Here is what typical work runs in the Troy market. These are real ranges, not bait-and-switch opening numbers. The final quote depends on system age, accessibility, and whether we’re working in a tight 1960s ranch mechanical room or a commercial rooftop with crane access.
| Service | Typical Range in Troy |
|---|---|
| Furnace Repair | $150-$700 |
| AC Repair | $150-$650 |
| AC Installation | $3,500-$7,500 |
| Tune-Up | $80-$200 |
Emergency calls carry no after-hours surcharge - the price is the price, period. Zone damper actuator replacement in a north Troy colonial typically falls in the $350-$550 range, including rebalancing. Commercial rooftop work varies more with access and tonnage; we quote upfront after inspection. Seniors and veterans receive 5% off any repair, always. Call (866) 561-3358 for a free estimate with no obligation.
We Also Serve Cities Near Troy
Our Emergency & Commercial HVAC in Troy service radius includes Rochester Hills to the north, Royal Oak and Southfield to the south, and Pontiac to the northwest. Same live-answer phones, same 90-Day Done Right Promise, same journeyman technicians whether we’re on Livernois Road or Woodward Avenue.
Serving Troy, MI - Our Local Coverage Area
We’re based in the Troy area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Emergency & Commercial HVAC in Troy
Yes - this is exactly the failure pattern we see routinely in 48085 and 48098 subdivisions. Original pneumatic or early electronic damper actuators from the 1988-1994 build era seize in extreme cold, starving one zone of airflow while the furnace itself runs normally. In a 1989 colonial off Livernois in the 48085 corridor, we responded to a ‘no heat’ emergency on a sub-zero January night. The homeowner had already called a competitor who changed the blower motor for $600, but the furnace was fine - the real issue was a seized 30-year-old Honeywell pneumatic damper actuator starving the upper zone. We replaced the actuator and rebalanced the zones for $450, restoring full heat without a new furnace. Call (866) 561-3358 and we’ll diagnose it properly the first time.
Very common along the M-102 corridor. Oakland County’s hard groundwater causes mineral scale buildup in evaporator coils, restricting airflow and raising refrigerant head pressure until the compressor safety trips. We clean and descale these coils regularly for Troy commercial clients, and when replacement makes sense, we specify units with better condensate management. Call (866) 561-3358 for an inspection and upfront quote - estimates are free.
Sometimes, but honestly it depends on ductwork capacity and mechanical room space. Southern Troy’s 1960s-1970s ranches and split-levels often have undersized original ductwork that can’t handle the airflow demands of modern zoned systems. We inspect first, measure static pressure, and give you straight talk about whether retrofitting zones is practical or if a properly sized single-zone system with smart controls is the better investment. The inspection is free - call (866) 561-3358 to schedule.
No. We do not add after-hours, weekend, or holiday surcharges. The price we quote is the price you pay, whether it’s Tuesday at 2 p.m. or Sunday at 2 a.m. Our $50 Off Any Repair Over $250 applies to emergency work too. Call (866) 561-3358 anytime - a live person answers.
Almost certainly. Oakland County’s groundwater is notoriously hard, and mineral scale builds up on humidifier media pads, solenoid valves, and distribution tubes faster than in softer-water areas. We see this constantly in Troy’s older homes with original bypass humidifiers. The fix is usually a thorough cleaning or pad replacement, sometimes a valve swap - rarely a full unit replacement. Call (866) 561-3358 and we’ll sort it out.
Ready to get your system fixed right? Call Fireside Heating & Air Co. at (866) 561-3358 for a free estimate. A live person will answer, day or night, and we’ll be there when we say.
Written by Glen Hartman, Owner at Fireside Heating & Air Co., serving Troy and southeastern Michigan since 2018.