Dierkes Heating & Air has been serving Coon Rapids and Anoka County since 2013, handling the full range of residential and commercial heating and cooling work that Minnesota homeowners, landlords, and property managers rely on every season. Whether your furnace quit overnight or your air conditioner stopped keeping up on a hot July afternoon, we show up, diagnose the problem, and get your system back on track. Honest quotes. Code-compliant work. Reliable comfort. Call today at (612) 665-9289 to schedule service or get a quote.
For residential and commercial HVAC work alike, we handle the full range of heating and cooling services that keep buildings comfortable year-round. That includes AC repair and service, furnace repair and replacement, heat pump service and installation, full system replacement, thermostat and smart-control installation, ductwork repair and sealing, indoor air quality improvements, and seasonal tune-ups. We work on forced-air systems, boilers and hydronic heating, mini-splits, and ductless systems across all major equipment brands. Homeowners call us when something breaks. Property managers call us to keep their buildings on schedule. Businesses call us when comfort affects their operations. Whatever the situation, we bring the same attention to the job. We protect your floors and finishes while we work, and we leave the space the way we found it.
Don't let a small problem turn into a no-heat night or a no-cool afternoon, especially in a Minnesota winter where temperatures can drop well below zero before morning. When a furnace stops working or an air conditioner fails mid-summer, we make same-day appointments available and respond quickly to urgent calls. When you call, you reach someone who knows the area and can talk through what is happening before the technician arrives. The visit starts with a clear diagnosis, a straight answer about what the repair involves, and a quote before any work begins. No guesswork, no delays. Call (612) 665-9289 right now if your system is down and you need it handled today. Call in the morning. Comfortable by afternoon. Follow-up when you need it.
A central air system that blows warm air, short-cycles, or stops working entirely is a problem that gets worse the longer it sits. We handle the full range of AC issues: refrigerant leak diagnosis, condenser and compressor service, airflow problems, and systems that simply will not turn on. A service call starts with a thorough inspection of the unit and its controls so we understand what failed and why. Same-day AC repair is available when the schedule allows, and we carry common parts to handle most repairs in a single visit. When the numbers point toward replacement rather than repair, we give you straight answers about your furnace, AC, and ductwork, no surprises, so you can make the right call for your home or building. Reach out and we'll start at the unit.
Whether it's a one-time repair or a full system replacement, a furnace call gets the same careful attention. We handle gas furnace repair, no-heat emergencies, ignition and heat exchanger issues, and heating system replacement for homes and commercial properties across the Coon Rapids area. A furnace service call begins with a full inspection of the unit, the controls, and the distribution system so we understand what is happening before we recommend anything. If repair is the right move, we make it and explain what we did. If the system is aging and a replacement makes more financial sense, we walk through the options clearly and let you decide. We are a locally owned heating contractor, and personal accountability comes with every job. Pick up the phone and we'll handle the system.
Coon Rapids winters are long, cold, and unforgiving. Summers bring real heat and enough humidity in spring to make indoor air quality a genuine concern. The climate here shapes what HVAC equipment gets used, what breaks, and what upgrades actually make sense for local homes and buildings. The three services below come up constantly in Anoka County for good reason.
Furnace reliability is not optional when sub-freezing temperatures arrive in November and stay through March. Minnesota runs heavily on gas and propane forced-air heat, and a furnace that fails mid-winter is a genuine emergency. On a furnace call, we inspect the heat exchanger, burners, ignition system, and controls to find the root cause. If repair restores reliable performance, we make it. If the system is old enough or inefficient enough that replacement delivers better long-term value, we say so clearly and help you choose the right equipment for the home. Energy-efficiency upgrades make a real difference on Minnesota heating bills, and we factor that into every replacement conversation.
Modern cold-climate heat pumps are rated to operate efficiently down to roughly -15 degrees Fahrenheit, which makes them a practical option for Minnesota homes that were not previously good candidates. We handle new heat pump installation, heat pump replacement, and heat pump repair, including ductless mini-split systems for additions, sunrooms, or spaces that are hard to condition with existing ductwork. If a heat pump stops working, same-day service is available when the schedule allows. Utility incentives and efficiency programs have made cold-climate heat pump installation one of the faster-growing upgrade requests we see in the area, and we can walk through whether the equipment makes sense for your specific home and heating setup.
Forced-air heating systems pull moisture out of indoor air, and a Minnesota winter can leave a home feeling dry enough to crack woodwork, irritate sinuses, and make every room feel colder than the thermostat reads. A whole-home humidifier integrates directly with the existing HVAC system and delivers controlled humidity to every room rather than relying on portable units that only treat one space at a time. Installation connects the humidifier to the air handler and the water supply, and we calibrate the controls to work with your thermostat or smart system. No pressure and no gimmicks, just reliable comfort. Most homeowners notice the difference within the first few days of operation.
Booking an HVAC service call is simple, and these three supporting services often come up alongside a repair or tune-up. Leaking or poorly sealed ductwork wastes conditioned air before it reaches the rooms that need it, and a duct inspection can identify where the losses are happening. We handle duct repair, duct sealing, and full duct inspections for homes and commercial buildings. Thermostat issues, whether a thermostat that stopped responding, a smart thermostat that needs proper setup, or a programmable control that was never configured correctly, are quick to address and make a noticeable difference in system performance. On the indoor air quality side, we install air filtration systems and air purifiers that work with your existing equipment to reduce dust, allergens, and airborne particles. We make the repair and leave the home tidy.
A furnace tune-up in the fall and an AC tune-up in the spring are the most straightforward ways to avoid the repair calls that happen at the worst possible time. A tune-up visit covers the full system: cleaning, inspection, controls check, airflow measurement, and a look at anything that shows early signs of wear. We also use tune-up visits to troubleshoot uneven temperatures and airflow problems that homeowners have been living with but never had addressed. Work performed by qualified HVAC technicians keeps the inspection thorough and the findings accurate. Pick up the phone and we'll handle the system.
Property managers trust us to keep their buildings comfortable, and we handle commercial HVAC repair, installation, replacement, and preventive maintenance for office buildings, retail spaces, and multi-unit properties across the area. We treat your home the way we'd want ours treated, and that same standard carries into every commercial job. Residential work is our core, but we understand what a property manager needs: clear communication, reliable scheduling, and work that does not require a follow-up call. When you reach us, you reach someone locally owned and personally accountable for the outcome. No pressure and no gimmicks, just reliable comfort for every building we service.
HVAC repair costs, replacement costs, and installation quotes should be clear before work begins, not after. We provide straightforward estimates that cover what the job involves, what the parts cost, and what the labor looks like, so there are no surprises when the work is done. Reach out and we'll start at the unit.
Coon Rapids is our home base, and we serve communities throughout Anoka County and the surrounding metro:
If you are nearby and need heating or cooling service, call us and we will let you know if we can get there.
We have been doing this work since 2013, and the business has grown the way a local company grows: one job at a time, one neighbor at a time. When you call, you reach someone who is part of the same community you are in. When a technician shows up at the door, it is someone who takes the work seriously and knows that a good reputation in Anoka County is built job by job. All work is performed by qualified HVAC technicians who know Minnesota equipment and Minnesota conditions. We handle every job to code and stand behind the results. Pick up the phone and we'll handle the system.
Check your thermostat settings and make sure the filter is not completely blocked, then call us at (612) 665-9289. We offer same-day service for no-heat situations, and a qualified HVAC technician will diagnose the problem and explain what it will take to fix it before any work begins. In a Minnesota winter, a failed furnace is urgent, and we treat it that way.
You call us, we ask a few questions about what your system is doing, and we get you on the schedule, often the same day. The technician arrives, inspects the equipment, and gives you a clear explanation of the problem and the cost before touching anything. Once you approve the work, we complete the repair, walk you through what was done, and make sure the system is running correctly before we leave.
Yes. We work with homeowners, landlords, property managers, and small commercial clients throughout Coon Rapids and Anoka County. Whether it is a single-family home or a multi-unit building, the approach is the same: show up on time, diagnose accurately, and get the system running.
No. We give you a clear quote before any work begins, and that is the price you pay for what was agreed on. If the technician finds something additional that needs attention, we explain it and get your approval before proceeding. There are no surprise charges added after the fact.
It helps to know the make and model of your equipment if you can find it, a description of what the system is doing or not doing, and whether the problem started recently or has been building over time. That information lets us ask the right questions and give the technician a head start before arriving. If you cannot locate the equipment details, that is fine too. We will find what we need on-site.
That depends on the age of the equipment, the cost of the repair, and how efficiently the system has been running. We give you straight answers about your furnace, AC, and ductwork with no pressure either way. If repair makes sense, we say so. If the numbers point toward replacement, we walk through the options clearly so you can decide what fits your home and budget.
Repeated failures on the same system usually point to age, a chronic underlying issue, or equipment that was not sized correctly for the home. We will review the repair history, inspect the system thoroughly, and give you an honest assessment of whether continued repair or replacement makes more long-term sense. We do not push replacement when a repair will solve the problem, but we will tell you plainly when the equipment has reached the end of its reliable life.
Yes. We are available every day from 9:00 AM to 10:00 PM, and we respond to urgent no-heat and no-cool calls throughout that window. When your system goes down and you need someone quickly, call (612) 665-9289 and we will get a technician to you as fast as possible.
A service visit can cover diagnosis and repair of a specific failure, a seasonal tune-up, a system inspection, or installation of new equipment. We also handle thermostat issues, ductwork problems, and indoor air quality upgrades during a visit when the situation calls for it. The scope depends on what you need, and we will let you know what we find and what we recommend before we do anything.
The size and type of equipment can affect parts costs and the time involved in a repair, but the quote we give you is based on the actual work required, not a flat rate tied to square footage. We explain what is driving the cost so you understand exactly what you are paying for. Larger or more complex systems may involve more labor or specialized components, and we will be upfront about that from the start.
Dierkes Heating & Air is ready to help with heating, cooling, and everything in between across Coon Rapids and the surrounding communities. Same-day appointments are available for urgent situations, and emergency response is part of how we operate when a system goes down. Honest quotes. Code-compliant work. Reliable comfort. Call (612) 665-9289 today and let us get your system back where it needs to be.
From furnace calls on January mornings to AC service on July afternoons, we handle the full range of heating and cooling work that Coon Rapids homes and buildings depend on every season. The table below covers every service we offer, who it fits best, and what is practical to know before you call. If you have questions about a specific situation, reach out and we will walk through it with you.
| Service Type | What's Included | Common Needs | What to Keep in Mind |
|---|---|---|---|
| AC Repair & Service | refrigerant leak diagnosiscondenser and compressor serviceairflow and cooling problemscontrols and thermostat checks | Homeowners and property managers dealing with warm air, short-cycling, or a system that will not start | Most repairs can be completed in a single visit when common parts are on hand; same-day service is available when the schedule allows |
| Heat Pump Repair & Service | heat pump diagnosis and repairrefrigerant and compressor servicemini-split repairsame-day availability when schedule allows | Homes and buildings running heat pumps or ductless mini-split systems year-round | Heat pumps handle both heating and cooling, so a failure affects comfort in any season |
| Seasonal Maintenance & Tune-Ups | full system cleaning and inspectioncontrols and airflow checkearly wear identificationfurnace tune-up in fall, AC tune-up in spring | Any homeowner or property manager who wants to avoid emergency repair calls at the worst possible time | A tune-up visit is also a good opportunity to address uneven temperatures or airflow problems that have been building over time |
| Furnace Repair & Replacement | heat exchanger and burner inspectionignition system repairfull furnace replacementefficiency upgrade options | Homeowners with an aging or failing gas or propane furnace | Sub-freezing temperatures arrive in November and stay through March; furnace reliability is not optional in Anoka County |
| Whole-Home Humidifier Installation | humidifier integration with existing air handlercontrols calibrationwhole-home coverage instead of portable unitscomfort improvement in dry winter air | Households dealing with dry air, irritated sinuses, or woodwork affected by low indoor humidity during heating season | Forced-air heating pulls moisture from indoor air all winter; most homeowners notice a difference within the first few days of operation |
| Ductwork Repair & Sealing | duct inspectionleak detection and sealingduct repairairflow measurement | Homes with uneven temperatures, high energy bills, or rooms that never quite reach the right temperature | Leaking ductwork wastes conditioned air before it reaches the rooms that need it; a duct inspection can identify where the losses are happening |
| Emergency HVAC Service | same-day response for no-heat and no-cool callsurgent diagnosis and repairavailability 9 AM to 10 PM dailyclear quote before any work begins | Anyone whose system has gone down and cannot wait for a standard appointment | A failed furnace in a Minnesota winter is a genuine emergency; call as soon as the problem starts rather than waiting to see if it resolves |
| Heating Repair & Service | no-heat diagnosisgas furnace repairignition and burner issuesheat distribution problems | Any household or building that has lost heat or is heating unevenly | Minnesota winters make a heating failure urgent; we prioritize same-day response for no-heat calls |
| Boiler & Hydronic Heating Service | boiler inspection and repairhydronic system diagnosisno-heat response for boiler-equipped buildingscontrols and zone service | Homes and commercial properties running boiler-based space heating | Boilers heat the living space through radiant or hydronic distribution; we service the heating equipment and its controls, not domestic water systems |
| Indoor Air Quality & Air Filtration | air filtration system installationair purifier installationallergen and dust reductionintegration with existing HVAC equipment | Households concerned about dust, allergens, or airborne particles, particularly during heating season when homes are sealed up | Minnesota springs bring humidity and allergens; indoor air quality improvements work with your existing system rather than replacing it |
| Thermostat & Smart-Control Installation | thermostat replacementsmart thermostat setup and configurationprogrammable control installationintegration with existing equipment | Homeowners upgrading from an older thermostat or dealing with a control that stopped responding | A properly configured thermostat makes a noticeable difference in system performance and energy use; installation is typically straightforward |
| Full System Installation & Replacement | full HVAC system replacementnew equipment sizing and selectioninstallation across all major brandscode-compliant work on every job | Homeowners and property managers replacing aging or failed equipment, or upgrading to more efficient systems | System replacement is the most significant HVAC investment most households make; we walk through options clearly and let you decide what fits the home and budget |
| Cold-Climate Heat Pump Installation | new heat pump installationheat pump replacementductless mini-split systemsoperation down to roughly -15 degrees F | Homeowners looking for an efficient alternative or supplement to gas heat, including additions and hard-to-condition spaces | Modern cold-climate models are rated for Minnesota winters; utility efficiency programs have made this one of the faster-growing upgrade requests we see locally |
How do I know whether to repair my furnace or replace it?
The decision comes down to the age of the equipment, the cost of the repair, and how efficiently the system has been running. A furnace that is more than 15 to 18 years old and needs a significant repair is often a better candidate for replacement than continued service. We give you straight answers about what the repair involves and what a replacement would cost, with no pressure either way. If repair makes sense, we say so. If the numbers point toward replacement, we walk through the options clearly so you can decide what fits your home and budget.
What causes a system to stop heating or cooling entirely?
The most common causes are a failed ignition component, a tripped limit switch, a refrigerant issue, a blower motor problem, or a thermostat that has lost communication with the equipment. A clogged filter can also shut a system down by restricting airflow past the point the equipment can handle. When we arrive, we start with a full inspection of the unit and its controls to find the root cause before recommending anything.
How often should I schedule a maintenance tune-up?
Once a year for each season the equipment runs is the standard recommendation: a furnace tune-up in the fall before heating season, and an AC tune-up in the spring before the first hot stretch. If you run a heat pump year-round, an annual inspection covers both functions. Regular tune-ups are the most straightforward way to catch wear early and avoid the repair calls that tend to happen at the worst possible time.
Same-Day and Emergency Availability
We make same-day appointments available for urgent situations and respond to no-heat and no-cool calls every day from 9 AM to 10 PM. A Minnesota winter does not wait, and neither do we.
What does a seasonal tune-up actually cover?
A tune-up visit covers cleaning, a full system inspection, a controls check, airflow measurement, and a look at anything showing early signs of wear. We also use tune-up visits to troubleshoot uneven temperatures and airflow problems that homeowners have been living with but never had addressed. The visit ends with a clear explanation of what we found and what, if anything, needs attention.
Can I stay home while the work is being done, or do I need to be there?
You do not need to be present for routine service or a tune-up, but we do ask that an adult be available at the start of the visit so we can confirm access to the equipment and go over what we find. For larger jobs like system installation or replacement, it is helpful to have someone on-site for the duration. We will let you know what makes sense when you call to schedule.
Why is one room in my home hotter or colder than the rest?
Uneven temperatures usually point to a ductwork problem, a zoning issue, or equipment that was not sized correctly for the home. Leaking or poorly sealed ducts lose conditioned air before it reaches certain rooms, and a duct inspection can identify where the losses are happening. A thermostat or controls issue can also cause uneven distribution. We inspect the full system, not just the unit, to find what is driving the imbalance.
Transparent Upfront Pricing
Every job starts with a clear quote covering parts and labor before any work begins. We explain what is driving the cost so there are no surprises when the work is done.
What do strange noises from my HVAC unit usually mean?
Banging or clanking often points to a loose or failing mechanical component. A high-pitched squeal can indicate a blower motor or belt issue. Clicking at startup or shutdown is sometimes normal, but clicking that continues through operation can signal a controls or ignition problem. Rattling may mean debris in the system or a loose panel. If a noise has started recently or is getting louder, it is worth having a technician take a look before the problem develops further.
Is a cold-climate heat pump actually practical in Minnesota?
Modern cold-climate heat pumps are rated to operate efficiently down to roughly -15 degrees Fahrenheit, which covers the range of temperatures Coon Rapids sees in a typical winter. They work well as a primary heating source in well-insulated homes and as a supplement to an existing system in others. We can walk through whether the equipment makes sense for your specific home, your existing ductwork or lack of it, and your heating setup before you commit to anything.
Clean and Respectful Workmanship
We protect your floors and finishes while we work and leave the space the way we found it. Work performed by qualified HVAC technicians means the job is done right and the home is left tidy.
How does a whole-home humidifier differ from a portable unit?
A whole-home humidifier integrates directly with your existing air handler and delivers controlled humidity to every room through the duct system. A portable unit treats only the space it sits in and requires regular refilling. The whole-home system is calibrated to work with your thermostat or smart control, and once it is set up, it operates automatically without the maintenance that portable units require. Most homeowners notice the difference in comfort within the first few days of heating season.
How do I know if my system has a refrigerant or airflow problem?
Signs of a refrigerant issue include an AC that runs continuously but cannot cool the space, ice forming on the outdoor unit or refrigerant lines, or a noticeable drop in cooling output without an obvious cause. Airflow problems tend to show up as weak output from vents, rooms that take much longer than expected to reach the set temperature, or a system that short-cycles. Both issues get worse the longer they sit, so calling sooner rather than later limits the damage.
How do estimates and pricing work before any work begins?
We provide a clear quote that covers what the job involves, what the parts cost, and what the labor looks like before any work begins. If the technician finds something additional that needs attention, we explain it and get your approval before proceeding. There are no charges added after the fact for work that was not agreed on. The goal is that you understand exactly what you are paying for before we start.
Every home and building is a little different, and the right answer for your system depends on the specifics. Call us at (612) 665-9289 and we will talk through what you are seeing, get you on the schedule, and make sure you have straight answers before any work begins.
(612) 665-9289