Full Time Heating and Cooling · Watertown, MN
Commercial Heating and Air Conditioning — Repair First, Always
24/7 Emergency Service5.0 · 211 Local ReviewsMN License MB792165
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How We Saved a Commercial Client $17,000
A few years back, we got a call about a 15-year-old Carrier rooftop unit at a Plymouth office building that had lost most of its cooling capacity. The building manager had already been quoted a full replacement. We went out, ran a thorough diagnostic, and found a refrigerant leak caused by a thin spot where two metal surfaces were rubbing together. We repaired the weak spot, sealed the system, and recharged it. The unit ran properly. The client kept $17,000 in their pocket. That's not a lucky outcome — that's what happens when you actually diagnose the problem instead of defaulting to replacement. It's the reason repair-first isn't just a slogan for us. It's how we operate on every commercial HVAC service call.
commercial maintenance work — professional service in Watertown, MN
What Our Quarterly Maintenance Contracts Cover
Unplanned HVAC failures cost businesses more than the repair itself — they cost productivity, comfort, and sometimes customer-facing disruptions. A quarterly maintenance contract keeps those surprises off the table. Each visit includes a comprehensive system inspection to catch developing issues before they become failures, filter replacements and coil cleaning to maintain airflow and efficiency, refrigerant level checks, electrical connection inspection, thermostat and controls calibration, and performance testing across both heating and cooling systems. We build the maintenance schedule around your operation, not ours. If you can't have service done during business hours, we work around it.
Flexible Scheduling Built Around Your Business Hours
Details below
We offer after-hours and weekend appointments because commercial clients can't always shut down operations for HVAC servicing during the day. We also provide 24/7 emergency repair when something fails unexpectedly — nights, weekends, and holidays. For non-emergency scheduling, we offer a two-hour arrival window so you're not burning half a workday waiting on a technician. Every installation job involves the same established two-person crew, and Jason personally inspects every completed installation before we call a job finished.
24/7 Emergency Response
Two-Hour Arrival Windows
Owner-Inspected Installations
commercial maintenance work — professional service in Watertown, MN
Commercial HVAC Replacement — When It Actually Makes Sense
We don't push replacement. But there are situations where it's the right call: when repair costs approach or exceed 50 percent of replacement value, when parts are no longer available, when a system is so inefficient that energy costs alone justify the switch, or when repeated failures signal a systemic problem rather than isolated wear. When replacement is the right answer, we handle the full commercial installation, including rooftop unit replacement for flat-roof commercial properties. As an AirQuest Elite Dealer, qualifying installations include manufacturer limited warranty coverage plus two additional years of No Hassle Replacement coverage beyond the standard terms. We'll give you the honest comparison — repair cost vs. replacement cost vs. long-term operating cost — and let you decide.
commercial maintenance work — professional service in Watertown, MN
Indoor Air Quality and Specialty Commercial Equipment
Beyond standard heating and cooling, we service the equipment that often gets overlooked in commercial buildings. Makeup air handlers are critical in commercial kitchens, manufacturing spaces, and high-occupancy buildings — and they're a service most residential HVAC companies can't touch. We also handle air exchanger service and commercial humidifier installation. If your building has dry air complaints in winter or ventilation issues year-round, those are solvable problems. We'll tell you what's actually causing it before we recommend equipment.
Service Areas for Commercial Clients
We work with businesses throughout the southwest Twin Cities metro and surrounding counties. That includes Chaska, Plymouth, and the broader Hennepin County, Carver County, Wright County, and McLeod County service areas. If you're not sure whether we cover your location, call us. We'd rather tell you directly than have you guess. Fully insured on every commercial job.
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FAQ Common questions
Frequently Asked Questions
Answers below
What exactly does HVAC mean in a commercial context? +
HVAC stands for Heating, Ventilation, and Air Conditioning. In commercial buildings, that scope often extends beyond a furnace and central AC unit to include rooftop package units, makeup air handlers, economizers, variable air volume systems, and building automation controls. Commercial HVAC systems are typically engineered around square footage, occupancy load, ventilation requirements, and code compliance in ways that residential systems aren't.
How often does a commercial HVAC system need maintenance? +
Most commercial systems benefit from quarterly maintenance visits rather than the annual tune-up that's standard for residential equipment. Commercial units run harder, accumulate more wear, and serve spaces where a breakdown affects employees, customers, or production. Quarterly service catches developing issues before they become failures, keeps filters and coils clean for efficiency, and extends equipment life. We structure maintenance contracts around your system's actual demands, not a one-size schedule.
Can a commercial rooftop unit be repaired instead of replaced? +
Often, yes. Rooftop units are repairable for most common failure modes: refrigerant leaks, failed compressors, heat exchanger issues, economizer malfunctions, and worn belts or bearings. We repaired a 15-year-old Carrier rooftop unit for a Plymouth office building that another contractor had quoted for full replacement. The actual issue was a refrigerant leak from metal-on-metal wear. After repair, the system ran correctly and the client avoided a $17,000 replacement cost. We diagnose first, every time.
What's included in a commercial HVAC maintenance contract? +
Our quarterly contracts include comprehensive system inspections, filter replacements, coil cleaning, refrigerant level checks, electrical connection tightening, thermostat and controls calibration, and performance testing across heating and cooling modes. Contract customers also receive priority scheduling and after-hours availability. We tailor the scope to the specific equipment in your building — a rooftop unit and a split system get different checklists because they have different failure points.
Do you work on commercial HVAC systems outside normal business hours? +
Yes. We offer after-hours and weekend appointments for scheduled maintenance so your business operations aren't interrupted. For urgent failures, we provide 24/7 emergency service including nights, weekends, and holidays. If your system goes down at an inconvenient time, call (952) 847-3387 and we'll get someone out. We're fully insured on every commercial job regardless of when it's scheduled.
Our promise
If we can repair it, we will.
No unnecessary replacements.You get the fix, not the invoice we would rather write.
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More Services
- Zone SystemsZone control splits your home into independently heated and cooled areas. Stop paying to condition rooms nobody uses. Call Full Time Heating and Cooling for an honest assessment.
- AC InstallationNew central AC installation from an AirQuest Elite Dealer. Same two-person crew every job, owner inspection at completion. Call (952) 847-3387 for a straight answer.
- AC ReplacementWhat a new AC unit costs depends on size and system type. No-commission techs, AirQuest Elite Dealer warranty. Call (952) 847-3387.
- Air Conditioner MaintenanceAC maintenance that keeps your system running at full efficiency all summer. Honest diagnostics, no-commission techs. Call Full Time: (952) 847-3387.
- Air Conditioner RepairAC not cooling? We diagnose it first — no pressure to replace. Fully insured, 24/7 emergency service. Call Full Time Heating and Cooling for an honest repair estimate.
- Air ExchangerAir exchanger repair, cleaning, and installation from fully insured HVAC techs. No commission pressure. Call Full Time Heating and Cooling anytime.