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NHA VFDHeating and cooling, Minneapolis, MNAnswering 24/7(612) 294-1420
Technician repairing a rooftop HVAC unit on a commercial building
On call now, 24/7

Restaurants, retail, offices

Commercial heating and cooling repair in Minneapolis

When the heat goes out in a restaurant or the cooling fails in a clinic, every hour costs money. We answer around the clock, get a technician to the roof, and work to keep you open while the repair happens.

  • 24/7 calls answered
  • Minneapolis service office
  • RTU and split systems repaired
  • After hours response

Quick answer

Commercial HVAC repair in Minneapolis covers rooftop units, split systems and make-up air units for restaurants, retail and offices, with calls answered 24 hours a day. Most failures trace to igniters, inducer motors, belts, capacitors, contactors or economizer faults that can be fixed on the first visit.

Step by step

How a commercial repair call runs

  1. 1

    Call any hour

    Tell us the business, the unit and what is not working.

  2. 2

    Triage and dispatch

    We prioritise loss of heat and food-service cooling and bring likely parts.

  3. 3

    Diagnose on the roof

    Controls, ignition, motors, belts and refrigerant are checked.

  4. 4

    Restore heat or cooling

    The fix that gets you running happens first.

  5. 5

    Schedule the rest

    Bigger repairs or replacements are scheduled around your hours.

Warning signs

Signs it is time to call

  • Rooftop unit running but blowing room-temperature air
  • Heat cycling on and off or locking out
  • Kitchen hood not capturing smoke or doors whistling
  • One office area always too hot or too cold
  • Squealing belts or grinding from the roof
  • Ice on the refrigerant lines or coil

Commercial

Getting your space back to temperature

Commercial equipment fails in the same ways residential equipment does, just on a roof, in the snow, with customers downstairs. A rooftop unit that will not heat is often an ignition, inducer or pressure switch fault. One that will not cool is often a capacitor, contactor, belt or refrigerant problem.

We triage on the phone: what the space is, what is not working, and whether you can stay open. Then we get a technician up with the likely parts and work to restore heat or cooling first, with any bigger repair scheduled around your hours.

Reading a rooftop unit control board fault code

Timing

How long until you are running again

Most igniter, capacitor, contactor and belt failures are fixed on the first visit. A refrigerant leak search, motor replacement or compressor job can take longer, especially if the part has to be ordered for an older unit. We tell you on the roof which kind of repair it is and what we can do to keep you open in the meantime.

Restaurant and retail cooling failures

Rooftop unit condenser fan service above a restaurant

Restaurants and busy retail spaces load their cooling equipment hard: kitchen heat, open doors, lighting and crowds. When a rooftop unit loses a compressor stage or a condenser fan, the dining room warms fast. We check capacitors, contactors, fan motors, belts and refrigerant pressures, clean dirty condenser coils that choke capacity on hot afternoons, and look at whether the unit is simply undersized for how the space is used now. Repairs that can wait, like a coil replacement or a second failing motor, are scheduled after close so service is not interrupted.

Office building zone faults

In small office buildings the complaint is usually one area too hot or too cold while the rest is fine. That points to a stuck zone damper, a failed VAV box actuator, a thermostat or sensor fault, or a unit that is short on capacity in one zone. We trace the call from the thermostat to the damper to the unit, fix the failed component, and check the schedule programming so the space is not heating empty offices over the weekend.

Make-up air unit faults

A kitchen hood that pulls air out of the building needs a make-up air unit to bring outside air back in, heated in winter. When it fails, doors whistle, the hood stops capturing smoke, and the dining room gets cold drafts. Common faults include ignition and flame proving, gas valves, belts and interlock wiring with the hood. We restore the unit, confirm the burner modulates to hold discharge temperature on a cold day, and check that it starts every time the exhaust fan runs, so the kitchen and dining room stay balanced through the dinner rush.

How Minneapolis homes shape this job

About 44 percent of Minneapolis housing units sit in large apartment buildings, and a lot of the storefronts and offices we service are on their ground floors, so the equipment is often reached through a residential stairwell or roof hatch. Snow matters too. December and January are the snowiest months, averaging around 12 inches in January, and drifts across a flat roof can block a rooftop unit's intake and trip it on a flame or pressure fault.

Brands we service and install

Commercial equipment we service includes Carrier, Trane, Lennox and Daikin rooftop and split systems.

Service van outside a Minneapolis storefront on a winter evening

Heat or cooling down at your business?

Call now. We answer 24/7 and dispatch from our Cahill Rd service office.

Questions we get on the phone

Commercial HVAC repair questions from Minneapolis homeowners

Cost factors

What moves the price

Commercial repair is billed by the visit and the parts. These are the things that change the bill.

  • Time of the call. After-hours and weekend calls cost more than scheduled daytime visits.
  • Roof access. Units reached by long ladders, hatches or through another tenant take longer.
  • The failed part. A capacitor or belt costs far less than a compressor or heat exchanger.
  • Refrigerant. Leaks need finding and repairing before recharge.
  • Unit age and parts availability. Older units may need parts ordered.
  • Multiple units. Several failures on one roof are handled in one trip where possible.
  • Maintenance history. Neglected units often have several worn parts at once.

More from this category

Related work we handle

Rooftop Unit Service

RTU Quarterly Service and more.

Details on economizer repair

Commercial HVAC Maintenance

Scheduled Service Visits and more.

Seasonal Changeover

Commercial HVAC Installation

Split Systems for Small Commercial and more.

Tenant Build-Out HVAC

Get your business back to temperature

Call any hour and a technician will be dispatched with the likely parts for your unit.

Reach us

Call, or find our Minneapolis service office

Phone
(612) 294-1420
Hours
Open 24 hours, seven days a week
Service office
7214 Cahill Rd, Minneapolis, MN 55439
Head office
15642 Kristin Ln, Carver, MN 55315
Coverage
Minneapolis and the southwest metro. See where we work

NHA VFD service office in Minneapolis, MN

Call (612) 294-1420