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AC Services in St. Paul, MN

MSP helps St. Paul homeowners with AC repairs, new systems, and tune-ups. Tell us what needs work. We’ll give you a price before work starts.
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| Process

Our 5-star cooling service process

We offer convenient scheduling

At MSP, we know that life can get busy and fitting in a plumbing appointment can sometimes be challenging if you have a packed schedule. To make things easier, we offer convenient online scheduling and same-day services when available.

We deliver a reliable repair/installation experience

With over 100 years in the home services industry, the MSP team emphasizes reliability and skill. With over 1,000 5-star reviews, we've earned a solid reputation as an industry leader, and you can trust us for all of your home cooling needs.

We provide an ETA and transparent pricing

Our heating and cooling technicians arrive at every service call as promptly as possible, and we provide ETAs so you'll know exactly when to expect our arrival. Before our technicians begin any work, you'll receive an up-front, honest pricing quote to eliminate surprises down the line.

We ask for feedback

MSP requests feedback from our customers upon completion of every job, and both positive and negative feedback are equally valuable. Every comment provides our technicians with opportunities to continually improve or remedy situations in which customers aren't 100% satisfied.
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Cooling services in St. Paul

Choose the help your home needs.

AC repair

New cooling systems

Care & controls

Want to Never Worry about Maintenance Again? Become a Member of MSP’s Total Comfort Club

Total Comfort Club members are among the savviest homeowners in the Twin Cities area. Join over 5,000 club members who have access to two annual tune-ups, home service discounts, priority service, and much more – all for just $8.25 a month!

Here’s what you’ll enjoy:

  • FREE repair diagnostics
  • 10% discount on plumbing repairs and service
  • $100+ discount on emergency fees
  • Priority service scheduling
  • Transferable plans
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Recent cooling jobs by MSP

Whole-Home 5-Zone Ductless Mini Split Installation project, photo 1 of 3

Whole-Home 5-Zone Ductless Mini Split Installation

Installed a complete Mitsubishi multi-zone ductless system throughout this 3-story Cambridge Street home in St. Paul, replacing an existing system with a new MXZ-M48NL outdoor unit and five indoor heads covering the dining room, attic, two second-floor bedrooms, and a ducted unit in the basement. The two-day installation required multiple technicians, new linesets throughout the home, a 5-port branch box, surge protector, and a coordinated electrical permit visit.

Job total
$38,980
Carrier AC System and Water Heater Installation project, photo 1 of 3

Carrier AC System & Water Heater Installation

A St. Paul homeowner replaced two major systems in one day: a new 2.5-ton Carrier central air conditioner (condenser and coil) and a new 40-gallon natural gas water heater. The crew flushed and reused the existing lineset, installed a new Ecobee 7 smart thermostat, and coordinated with electricians on-site for the electrical hookup. Permits were pulled for electrical, mechanical, and plumbing work. The homeowner was also set up with utility rebate paperwork before the crew left.

Job total
$10,964
AC Refrigerant Recharge and Leak Sealant Treatment project, photo 1 of 2

AC Refrigerant Recharge & Leak Sealant Treatment

During a routine AC tune-up in St. Paul, our technician found the system was well below its proper refrigerant level, a clear sign a leak had developed somewhere in the system. We recharged it with R-410A and injected a professional-grade leak sealant to address the source of the loss. The homeowner's air conditioning was back to cooling properly, with a follow-up plan in place to make sure the repair held.

Job total
$1,021
AC Tune-Up, Capacitor Replacement and Refrigerant Recharge project, photo 1 of 3

AC Tune-Up, Capacitor Replacement & Refrigerant Recharge

A 13-year-old central air system in St. Paul had stopped cooling entirely. Our technician traced it to a failed capacitor that was keeping the condenser fan from running, replaced it and got the system back online, then found the refrigerant level was severely depleted from an ongoing leak. We returned the following week to fully recharge the system, restoring normal cooling performance for the season.

Job total
$1,147
Carrier Central AC Installation with Custom Ductwork Fabrication project, photo 1 of 3

Carrier Central AC Installation with Custom Ductwork Fabrication

A St. Paul home needed a new central air conditioning system, but the existing ductwork required some custom metalwork before the new equipment could fit properly. We installed a Carrier 3-ton AC condenser and matching indoor coil, fabricating a sheet metal transition to offset the existing plenum and bring everything into proper alignment. The lineset was flushed and reused, keeping costs down, and the homeowner left with a fully permitted system ready for the season.

Job total
$8,919
AC Contactor Replacement and Electrical Repair project, photo 1 of 3

AC Contactor Replacement & Electrical Repair

A St. Paul homeowner with a three-zone central air system had one unit stop cooling. Our technician diagnosed a failed contactor, the electrical switch that tells the compressor to run, and replaced it along with a wiring repair needed to bring the unit fully back online. The system was back to cooling within a couple of hours of the call.

Job total
$448

Customer Testimonials

★★★★★Google review

Nick is a fantastic plumber and has done multiple repairs on our 100 year old St Paul home. Whether it is a new water heater, fitting replacement, or new hose bib, we ask for him by name for all future work. Quality work and professional!

Ryan Laurence-HërrView on Google
★★★★★Google review

Jaxon and team quickly diagnosed and resolved my AC issue on one of the hottest days of the year. They were so helpful and Jaxon explained every step along the way. Highly recommend MSP Plumbing, Heating, and Air.

Alex FaustiView on Google
★★★★★Google review

Great communication, speedy response time, clear diagnosis and no shady behavior or secrets or high-pressure sales tactics. Phew! Everyone from diagnostic to project manager to install team to electrician was awesome. We went from no heat to heat within 6 hours of calling to request service. Pricing was in line with expectations and they even had a spring deal going which saved us additional money.

Emily FerrazzoView on Google
★★★★★ Want to see more 5-star reviews?

Cooling in St. Paul, MN

Plan St. Paul cooling room by room

A tall home may need more than one cooling zone. Our St. Paul work shows how room use and indoor space can shape an AC or ductless plan.

Map each floor's need

At a three-story Cambridge Street home, we installed five ductless indoor units. Your layout may need fewer or a different approach. Name the rooms you want cooled before choosing how many zones.

Show the indoor connection

A St. Paul central AC job needed a custom sheet metal transition. Ask us to check where the coil meets your ducts. The quote should include any fitting work needed at that point.

Compare ducted and ductless routes

If an attic room has no ducts, show us the space and exterior wall. Ask how a ductless pipe and drain would run. Compare that with the work to extend existing ducts.

Define the ductwork scope

St. Paul separates ductwork into its warm air and ventilation permit category. If your plan changes ducts, ask which review applies. Keep that work clear alongside the AC equipment replacement.

Before your service call

Tell MSP which floors and rooms need better cooling. Share any trouble with attic heat or tight duct connections when you request an AC repair or quote.

Sources for this guide

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