Every Commercial HVAC System Under One Roof
Most commercial buildings run multiple HVAC systems - rooftop units for general comfort, split systems for server rooms, boilers for heating, and chillers for process cooling. Managing separate contractors for each system creates gaps, finger-pointing, and budget surprises.
Samco handles all of it. Our technicians are trained across every major equipment type and manufacturer. Whether you need a 2-ton split system repaired or a 100-ton rooftop unit replaced with a crane lift, one call gets it done.
We service Carrier, Trane, Lennox, York, Daikin, Rheem, and all other major commercial HVAC brands. OEM parts on every repair, backed by our 90-day parts and labor warranty.
Why Facility Managers Choose Samco for HVAC
All Systems, One Vendor
RTUs, split systems, chillers, boilers, ductwork, controls - we service it all. One contract, one point of contact, one team that knows your entire facility.
24/7 Emergency Response
When your system goes down at 2 AM, our dispatchers coordinate the nearest available technician. PM contract holders get priority scheduling - you never wait behind routine calls.
OEM Parts, 90-Day Warranty
We use original manufacturer parts on every repair. No generic substitutes. Every job backed by our 90-day parts and labor warranty.
Ready to Simplify Your HVAC Management?
Book a free facility assessment. We'll document your systems and recommend the right maintenance program.
Samco Facilities Maintenance provides commercial HVAC installation, repair, and maintenance across Metro Detroit, with EPA 608 and NATE certified technicians dispatched from Livonia to Wayne, Oakland, Macomb, and Washtenaw counties. Rooftop units, split and packaged systems, boilers, chillers, make-up air and exhaust, and building automation controls for restaurants, manufacturers, healthcare, retail, and office buildings. Same company since 1997, 25+ full-time technicians, no subcontractors.
Call (734) 838-6300. Existing customers reach live dispatch 24 hours a day; new customers reach us 7 AM to 4 PM, Monday through Friday, and get a response window on the call.
Commercial HVAC Systems We Service
Rooftop units (RTUs). The workhorse of Metro Detroit commercial buildings. We repair compressors, blower motors, economizers, gas valves, igniters, and controls on Carrier, Trane, Lennox, York, Daikin, and most other brands, and we replace units that have reached the end of their life.
Split and packaged systems. Condensing units, air handlers, and packaged heat pumps for smaller buildings, server rooms, and tenant spaces.
Boilers and hydronic heating. Gas boilers, pumps, zone valves, and hot water loops for older Detroit commercial buildings and multi-tenant properties.
Chillers and cooling towers. Process cooling and comfort cooling for manufacturers, data rooms, and larger facilities, including plant HVAC and ventilation.
Exhaust and make-up air. Kitchen exhaust hoods, make-up air units, and ventilation balancing for restaurants and food production, where a starved kitchen pulls conditioned air out of the dining room all summer.
Building automation and controls. Thermostats, BAS integration, economizer logic, and scheduling, which is where most comfort complaints and energy waste actually start.
Common Commercial HVAC Problems We Fix
No cooling or no heat. Failed compressors, contactors, capacitors, igniters, and gas valves. Common parts ride on the van, so most calls finish on the first visit.
Short cycling. A unit that starts and stops every few minutes is a symptom, not a cause. We read the fault log before opening the unit; our RTU short cycling guide explains the six usual causes.
Uneven temperatures and comfort complaints. Usually airflow, controls, or economizer logic rather than the equipment itself.
High energy bills. Dirty coils, low refrigerant charge, stuck dampers, and schedules that run the building at full occupancy on Sunday. See our note on energy efficient commercial HVAC.
Refrigerant leaks and R-22 equipment. Our EPA 608 certified technicians find and repair leaks and recharge to specification. For R-22 units, we give you the repair cost against the replacement cost so the decision is yours.
Why Metro Detroit Buildings Need Local HVAC Service
Southeast Michigan runs equipment through both extremes. July rooftops push past 100 degrees and condensers work at the edge of their rating; January nights below zero test every heat exchanger and gas valve that sat idle since March. Cottonwood season in June packs outdoor coils in weeks, and Great Lakes humidity loads the cooling side all summer.
A technician who has worked those rooftops for years reaches the diagnosis faster, and that is the difference between a one-visit repair and a second call.
Commercial HVAC Maintenance Programs
Most emergency calls were preventable. Our preventive maintenance program puts a technician on your equipment before cooling season and before heating season, quarterly for restaurants and manufacturing, and covers filters, coil cleaning, belts and blowers, refrigerant charge, heat exchanger inspection, condensate drains, thermostat and economizer operation, and electrical tightening, with a written report after every visit. Maintenance customers get priority dispatch when something does fail. Not sure what your building needs? Request a PM assessment.
Commercial HVAC Installation and Replacement
When repair stops making sense, we plan the replacement around your building and your calendar: equipment sizing, crane and roof logistics, controls integration, and we point you to the Consumers Energy and DTE rebates that qualifying high-efficiency equipment can earn. Rooftop unit replacements, split and packaged systems, make-up air, and controls upgrades.
Why Samco FM
Since 1997. Nearly three decades on Metro Detroit rooftops, and the phone number on the trucks has not changed. 25+ W-2 technicians, no subcontractors. EPA 608 and NATE certified. One call for the whole facility: if the HVAC problem connects to commercial refrigeration or kitchen equipment, the same company handles it.
Service Areas
Commercial HVAC service throughout Metro Detroit and Southeast Michigan: Wayne, Oakland, Macomb, and Washtenaw counties, including Detroit, Dearborn, Livonia, Ann Arbor, Troy, Southfield, Sterling Heights, Warren, Pontiac, Canton, and Novi. Local pages: Detroit Commercial HVAC & Refrigeration | Livonia Commercial HVAC & Refrigeration | Detroit PM Programs | Livonia PM Programs | all service areas.
Frequently Asked Questions
What commercial HVAC systems does Samco service in Detroit?
Rooftop units from Carrier, Trane, Lennox, York, and Daikin, split and packaged systems, boilers and hydronic heating, chillers and cooling towers, exhaust and make-up air equipment, and building automation controls. If it heats, cools, or ventilates a commercial building in Metro Detroit, our technicians work on it.
Do you provide emergency commercial HVAC service?
Yes, for existing Samco Facilities Maintenance customers, with dispatch available 24 hours a day. New customers reach us 7 AM to 4 PM, Monday through Friday, at (734) 838-6300, and a service agreement is how a facility gets after-hours coverage in place before the next failure.
How fast can a technician reach my building?
Our trucks run out of Livonia, so most facilities in Wayne, Oakland, Macomb, and Washtenaw counties are within a short drive, and average response time across the service area is under 90 minutes. Dispatch gives you a real arrival window on the call based on your location and the failure.
Should I repair or replace a commercial rooftop unit?
A rooftop unit under 12 years old with a single failed component is usually a repair. A unit past 15 years with a failed compressor or heat exchanger, rising energy bills, or R-22 refrigerant is usually a replacement, because the next failure is close behind. We give you both numbers and the expected life of each option before you decide.
How often does commercial HVAC need maintenance in Michigan?
Twice a year at minimum: a spring visit before cooling season and a fall visit before heating season. Restaurants, manufacturing plants, and buildings with 24 hour occupancy run quarterly. Rooftop condenser coils in Southeast Michigan also need a cleaning after cottonwood season in June.
Do you install commercial HVAC systems or only repair them?
Both. We plan and install rooftop unit replacements, split and packaged systems, make-up air and exhaust equipment, and controls upgrades, and we point you to the Consumers Energy and DTE rebates that qualifying high-efficiency equipment can earn. Installation customers usually move onto a maintenance program so the new equipment reaches its rated life.
Get a Commercial HVAC Technician On-Site
Whether a rooftop unit is down today or you want the next failure caught at a maintenance visit, call (734) 838-6300 or send a service request. Samco Facilities Maintenance, commercial HVAC in Metro Detroit since 1997.
This page reflects current Samco Facilities Maintenance guidance for Southeast Michigan commercial HVAC, refrigeration, and facility-service needs.