Trusted Heat Pump Repair in Minneapolis–St. Paul
Professional heat pump repair in Minneapolis–St. Paul from Northern One Hour Heating & Air Conditioning®. Fast, reliable, and backed by guarantees that keep your Twin Cities home comfortable year-round.
SCHEDULE YOUR SERVICE
Easily set up an appointment with one of our professionals online!
24/7 Local Heat Pump Repairs
When your heat pump stops heating or cooling properly, you need fast help—not frustration. Northern One Hour Heating & Air Conditioning® provides same-day repair service throughout Minneapolis, St. Paul, and surrounding areas. Our technicians arrive on time, diagnose the issue quickly, and explain your repair options clearly before any work begins.
We fix all types of systems—air-source, ductless mini-split, and geothermal heat pumps—and we service every major brand and model used in Twin Cities homes.
Call Northern at (763) 319-0872 for fast & reliable heat pump repairs.
Common Heat Pump Problems We Fix
Minnesota’s wide temperature swings put heavy strain on heat pumps year-round. These are the most frequent issues our technicians see on service calls:
No heat or no cooling – When your heat pump struggles to deliver the right temperature, it’s often due to thermostat miscommunication, low refrigerant, or a failing reversing valve. Our technicians check each component to ensure your system is switching modes correctly and that refrigerant levels meet manufacturer specs for efficient operation.
Frozen outdoor unit – In Minneapolis winters, ice buildup on the outdoor coils can stop your heat pump entirely. This usually points to airflow blockages, failed defrost sensors, or refrigerant imbalances. We thaw the unit safely, repair the underlying cause, and test the defrost cycle to prevent repeat freezing.
Short cycling – A system that turns on and off repeatedly can signal electrical control issues, compressor stress, or an oversized unit. Short cycling increases wear and drives up energy costs. We identify the root cause—whether it’s a relay, capacitor, or system design problem—and restore steady operation.
Weak airflow – Reduced airflow means your heat pump is working harder than it should. Dirty coils, clogged filters, or a failing blower motor can all restrict air movement. We inspect both indoor and outdoor units, clean components, and recalibrate your blower to restore full performance.
Unusual noises – Grinding, rattling, or hissing noises are never normal. They can indicate loose fan blades, failing bearings, or refrigerant leaks. Our team isolates the sound source, repairs worn parts, and checks for pressure or vibration issues that could lead to bigger problems later.
High utility bills – A sudden increase in your heating or cooling costs often means your system isn’t running efficiently. This can be caused by worn compressors, leaky ductwork, or improper refrigerant charge. We run performance diagnostics to find inefficiencies, optimize your system, and help lower your monthly bills.
Diagnosing a heat pump issue correctly is only half the job—fixing it to last is where expertise matters most. That’s why homeowners across Minneapolis and St. Paul rely on Northern One Hour Heating & Air Conditioning®. We don’t apply temporary fixes or guesswork. Every repair is handled with precision, verified for performance, and backed by our well-known guarantees. From the first inspection to final system testing, our goal is to restore efficiency, reliability, and total comfort—without repeat visits or hidden costs.
When It Comes to Dependable & Proven Service, Northern One Hour® Delivers
Every repair we complete is backed by guarantees that protect your time, your comfort, and your investment. Our standards are built for consistency and accountability—because that’s what Twin Cities homeowners expect from a professional HVAC team.
✓ Always On Time… Or You Don’t Pay a Dime®: Scheduling stress is never part of the experience. We commit to your appointment window and arrive when promised. If we’re late, your service call is free—no conditions, no excuses.
✓ Straightforward Pricing®: Every estimate is explained in plain language before work begins. You’ll see clear repair options and costs upfront, so you can choose what’s right for your home without surprise charges or vague estimates.
✓ 100% Satisfaction Guarantee: All materials, labor, and craftsmanship are guaranteed for up to two years from the date of service. If an issue returns, we return too—at no extra cost. It’s our way of standing behind the work we do.
✓ 24/7 Emergency Availability: Heating or cooling failures can’t wait until morning. Our technicians are on call around the clock with stocked vehicles and the tools needed to restore your comfort during Minneapolis freezes or humid summer nights.
Each technician represents Northern’s commitment to professionalism and precision. We hire for skill and integrity, and we train continuously to stay current with today’s high-efficiency and variable-speed heat pump systems. That means every repair meets both manufacturer standards and our own higher expectations.
Get a professional heat pump repairs. Call Northern at (763) 319-0872.
Local Expertise for Minneapolis–St. Paul Homes
From older homes with legacy ductwork to new construction with high-efficiency systems, our team understands how Twin Cities housing and weather affect your comfort. In Minneapolis neighborhoods like Nokomis or Powderhorn, winter frost can easily cause outdoor coil freezes. In St. Paul’s Summit Hill or Highland Park, variable insulation often leads to uneven heating and cooling. We know how to correct those issues fast, so your home stays comfortable no matter the season.
Preventative Maintenance After Repairs
Once your system is running smoothly again, preventive maintenance helps it stay that way. We offer maintenance plans designed for Minnesota’s extreme climate, including:
- Seasonal tune-ups to prevent winter or summer failures
- Coil and refrigerant checks to maintain efficiency
- Electrical and sensor calibration for consistent performance
Regular maintenance can extend your heat pump’s lifespan by several years and reduce unexpected repair costs.
Schedule Your Heat Pump Repair Today
When your heat pump stops performing, don’t wait for it to get worse. Call Northern One Hour Heating & Air Conditioning® at (763) 319-0872 or schedule online for same-day repair service anywhere in the Minneapolis–St. Paul metro.
We’ll restore your comfort fast—with professionalism, transparency, and the guarantees that have made Northern a trusted Twin Cities name for decades.
Call Northern at (763) 319-0872 for professional heat pump installations and service.
Frequently Asked Questions About Heat Pump Repair
How do I know if my heat pump needs repair or just maintenance?
If your system struggles to maintain temperature, makes new noises, or causes your utility bills to spike, it likely needs repair rather than routine maintenance. Our technicians can inspect your heat pump, identify wear or component failure, and recommend whether a targeted fix or seasonal tune-up is the better choice for your home.
Are heat pump repairs worth it, or should I replace the system?
Most heat pumps can be repaired cost-effectively if the system is under 10–12 years old and the repair doesn’t exceed 30–40% of the replacement cost. Northern One Hour’s team provides honest evaluations and clear repair-versus-replacement recommendations so you can make an informed decision that protects your long-term comfort and budget.
Do heat pumps work well in Minnesota’s cold climate?
Yes—modern heat pumps are designed for cold-weather performance. Still, freezing temperatures in Minneapolis and St. Paul can strain older or improperly sized systems. Our technicians specialize in optimizing heat pumps for Twin Cities winters, ensuring defrost cycles, refrigerant levels, and auxiliary heating are all performing correctly.
How quickly can Northern One Hour respond to a heat pump emergency?
We offer 24/7 emergency repair service across the Twin Cities. Whether your system fails during a cold snap or a humid summer night, our dispatch team prioritizes calls based on urgency and proximity so you get same-day help whenever possible.
What brands of heat pumps do you repair?
Our technicians are trained to repair all major brands, including Trane, Carrier, Lennox, Mitsubishi, Rheem, Goodman, and Daikin. We carry common replacement parts on our service vehicles to complete most repairs in a single visit.
Learn more About Our HVAC Systems & Services
Ductless Systems
Need targeted comfort without ductwork? Ductless mini-splits offer energy-efficient heating and cooling for specific rooms or additions. They’re quiet, sleek, and perfect for homes with unique layout challenges.
Heat Pumps
Heat pumps provide year-round comfort by efficiently heating in winter and cooling in summer. They’re ideal for Minnesota’s variable climate and can help lower your energy bills over time.
Thermostats
Upgrade to a smart thermostat for precise temperature control and energy savings. Easily adjust settings from your phone and let your system learn your habits for peak efficiency and comfort.
Financing
Investing in a new heating system is easier with Northern. We offer flexible financing plans that fit your budget—so you can get the comfort you need now and pay over time. Quick approvals, honest terms, and no surprises.






