For homeowners and property managers who want it done right, we cover every side of the heating and cooling trade. Whether you own a single-family home in Shelby Township, manage a portfolio of rental properties, or run a commercial building that needs reliable climate control, we handle the work.
Residential customers count on us for furnace repairs, AC service, heat pump work, and full system replacements. Landlords and property managers appreciate that we respond quickly, communicate clearly, and get systems back online without dragging out the job. Commercial clients get the same attentive service, sized to the demands of their space.
Hire us and you're hiring a neighbor who knows your home. We do code-compliant HVAC work on every job, and we treat every property, whether it's a starter home or a commercial suite, with the same care.
Before a small issue turns into a full breakdown, it pays to know who to call. Here is what we handle day in and day out.
If your air conditioner is not cooling, cycling on and off, or leaving some rooms warmer than others, we diagnose the cause and fix it. We check refrigerant levels, inspect the condenser and compressor, test airflow, and track down leaks. Same-day AC repair is available when the schedule allows, and seasonal tune-ups keep the system ready before summer hits.
A furnace that blows cold air or shuts off without warning is not something you put off in Michigan. We respond to no-heat calls quickly, diagnose the problem, and carry common parts to get most repairs done in a single visit. Furnace tune-ups and pre-season inspections are also available for homeowners who want to stay ahead of trouble.
If your heat pump is not heating in cold weather or not cooling when temperatures climb, we find out why. We service the air handler, blower, and outdoor unit, and we handle refrigerant diagnosis and component repair. Give us a ring and we'll take care of it.
Mini-split systems offer flexible, zone-by-zone comfort without the need for ductwork. We install, service, and repair ductless systems for homes, additions, garages, and commercial spaces. If your unit is not heating or cooling as it should, we diagnose and fix the issue.
For homes and buildings with hydronic or radiant space heating, we service and repair boilers of all types. A boiler failure in winter is as urgent as a furnace failure, and we treat it that way. We also handle boiler installation and replacement when a system reaches the end of its service life.
When a repair no longer makes sense, we handle full system replacement. We size the equipment to your space, explain your options, and give you transparent pricing with no hidden fees on any HVAC job before the work starts. We install central air systems, heat pumps, furnaces, and complete heating and cooling packages for both residential and commercial properties.
Leaking or poorly sealed ductwork wastes energy and creates uneven temperatures throughout the home. We inspect, repair, and seal ductwork to restore proper airflow and improve system efficiency. If your home has hot or cold spots that never seem to resolve, the ductwork is often the place to start.
A thermostat that does not work properly throws off the whole system. We install and replace standard and smart thermostats, handle the low-voltage control wiring, and make sure the new control communicates correctly with your heating and cooling equipment. Smart thermostats can improve comfort and reduce energy use with minimal effort from the homeowner.
For residential and commercial HVAC work alike, indoor air quality is part of the full picture. We install whole-home air filtration systems and air purifiers that connect to your existing HVAC equipment. We also handle filter replacement and air quality inspections for clients who want to understand what they are breathing indoors.
If you're not sure your system can keep up with the season ahead, a tune-up is the practical first step. We inspect, clean, and test your equipment before peak demand arrives. An AC tune-up in spring and a furnace tune-up in fall can catch small issues before they become expensive repairs.
Michigan winters are serious, and the heating systems that keep homes livable here deserve serious attention. The three services below come up again and again in this area, and each one has a clear reason to be on the list.
Macomb County winters regularly push temperatures well below freezing for days at a time. When a furnace fails in January, it is not an inconvenience. It is an emergency. Gas and propane forced-air furnaces handle the bulk of the heating load in this region, and when they go down, we move fast. Work is performed by qualified HVAC technicians who know these systems and carry the parts most commonly needed for same-day repairs.
When a furnace is beyond repair or simply too old to run efficiently, we handle the full replacement. We help you choose the right equipment for your home size and heating needs, walk you through the options, and install the new system cleanly. Call us and we'll walk you through your options.
Modern cold-climate heat pumps are rated to operate efficiently well below freezing, some down to around -15 degrees Fahrenheit. That changes the math for Michigan homeowners who once ruled out heat pumps entirely. We install and commission cold-climate heat pump systems for homes in Shelby Township and the surrounding area, and we address the real-world questions about performance, backup heat, and what to expect during the coldest stretches of winter.
If you have heard that heat pumps do not work in Michigan winters, the newer equipment tells a different story. We are glad to explain what has changed and whether the upgrade makes sense for your home.
Forced-air heating pulls moisture out of indoor air, and Michigan winters are long. By February, many homes feel dry enough to cause cracked woodwork, static electricity, and respiratory irritation. A whole-home humidifier installed on your air-handling system adds moisture back automatically, maintaining a comfortable humidity level throughout the house without the hassle of portable units.
We install whole-home humidifiers that integrate directly with your furnace or air handler and tie into the existing HVAC controls. The result is steadier comfort from the first cold snap through the last.
A system-down situation does not wait for business hours. We offer emergency HVAC service for no-heat and no-cool calls, and same-day appointments are available when the situation calls for it. Residential homeowners and commercial property managers both count on us when the heat goes out in the middle of the night or the AC fails on the hottest day of the year.
Not the biggest outfit in town. Just the most reliable. Always on time.
We protect your floors and finishes while we work, and we leave the space clean when the job is done. If your system is down and you need someone now, call (586) 789-9445.
Before a small issue turns into a full breakdown, knowing what a repair or replacement will cost matters as much as getting the work done. We provide clear estimates before any work begins, and we stand behind them. There are no surprise line items when the invoice arrives.
We handle all types of HVAC jobs, from a single-component repair to a full system replacement, and the pricing conversation happens upfront every time. If you want to understand your options before committing, call for a quote and we will walk through the scope and cost with you.
We work throughout Shelby Township and the wider Macomb County area. Nearby communities we serve regularly include Sterling Heights, Utica, Washington Township, Romeo, Macomb Township, Clinton Township, Ray Township, and Chesterfield Township. If you are in the area and need heating or cooling work done, we are close by and ready to schedule.
Davco Heating & Cooling has been locally owned and operating in this area since 2011. When you call, you reach someone who knows the area and the kinds of heating and cooling systems common in these homes and buildings. When a technician arrives, it is someone accountable to the same community you live in.
We built this business on straightforward work, honest pricing, and showing up when we say we will. We are proud of the reputation we have earned over the past 15 years, and we take every job seriously whether it is a quick thermostat swap or a full system replacement. We'll get the job done and the system running.
Short-cycling is often caused by a dirty air filter restricting airflow, an overheating heat exchanger triggering the safety limit switch, or a faulty flame sensor that shuts the burner down before it can sustain a flame. Cold air from a gas furnace usually points to an ignition failure, a tripped limit switch, or a problem with the burner sequence. We diagnose the specific cause on every call before recommending a repair.
Common warning signs include the furnace running longer than usual to reach the set temperature, uneven heat distribution between rooms, unusual sounds like banging or rattling at startup, a pilot light or igniter that fails to hold, and a noticeable increase in heating costs without a change in usage. Any of these is worth a service call before the system fails completely.
An AC that blows warm or barely cool air, runs constantly without reaching the set temperature, starts making grinding or squealing sounds, or causes a spike in your electric bill without explanation is telling you something is wrong. Ice on the outdoor unit or refrigerant lines is another sign that calls for immediate attention. Catching these early usually means a simpler and less expensive repair.
The most common causes are low refrigerant from a leak, a dirty evaporator coil that cannot transfer heat efficiently, or a failing compressor that is no longer building adequate pressure. Low refrigerant and a dirty coil are repairable, but a compressor failure on an older system often makes replacement the more practical choice. We diagnose the root cause and give you a straight answer on which direction makes sense.
A repair that costs more than roughly half the value of the unit, a system that has already needed multiple repairs in the past few seasons, or a furnace or AC that is more than 15 to 20 years old and losing efficiency are all situations where replacement is worth a serious look. We give you an honest assessment rather than defaulting to the more expensive option either way.
A heat pump moves heat rather than generating it, pulling warmth from outdoor air even at low temperatures and transferring it inside. Modern cold-climate models are rated to operate efficiently down to around -15 degrees Fahrenheit, which makes them a genuinely viable option in Macomb County now. We install these systems and can walk you through what to expect during the coldest stretches of a Michigan winter, including how backup heat integrates with the system.
A heat pump handles both heating and cooling in a single system, so in many cases it replaces both the furnace and the central air conditioner. Installation involves setting the outdoor unit, connecting the air handler or integrating with existing ductwork, and commissioning the controls. For homes without ductwork, we install mini-split systems that deliver the same heating and cooling function on a room-by-room basis.
Michigan winters are long and dry, and forced-air heating pulls moisture out of indoor air continuously. The result is cracked woodwork, static electricity, dry skin, and air that feels uncomfortable even at the right temperature. A whole-home humidifier connects directly to your furnace or air handler and maintains consistent humidity levels automatically, without the maintenance hassle of portable units.
A clogged filter forces the blower to work harder to pull air through the system, which reduces airflow, strains the motor, and can cause the heat exchanger to overheat. Dirty ductwork circulates dust, allergens, and debris throughout the home with every cycle. Both issues reduce system efficiency and degrade the air quality inside the house, and both are worth addressing as part of routine maintenance.
Leaky ducts allow conditioned air to escape into unconditioned spaces like attics, crawl spaces, and wall cavities before it ever reaches the living area. Undersized ducts restrict airflow and prevent the system from distributing heat or cool air evenly. Either problem drives up energy costs and creates the hot and cold spots that make some rooms consistently uncomfortable. Duct sealing and repair address both issues directly.
A system that is losing efficiency has to run longer and work harder to hold the set temperature, which means more energy consumed for the same result. Worn components, refrigerant loss, dirty heat exchangers, and degraded insulation on older equipment all contribute to this pattern. If your bills are climbing without a change in how you use the system, a service call is a reasonable first step.
Booking an HVAC service call is simple. Call us at (586) 789-9445 to request an estimate, schedule a repair, or talk through a replacement. We serve Shelby Township, Macomb County, and the surrounding communities, and we are available for emergency and same-day calls when you need us most.
Furnace fixed. AC humming. Home comfortable again.
Call (586) 789-9445 and let us get your system back on track.
From a furnace that quits on a January night to an AC that struggles through a July heat stretch, we cover the full range of heating and cooling work that Shelby Township homes and Macomb County businesses need. The table below lays out every service we offer, what each one covers, and who it fits best. If you have questions about your system or want to talk through your options, call us and we will walk you through it.
| System Service | What's Included | When You Need It | Helpful Details |
|---|---|---|---|
| AC Repair and Service | Diagnosis and repair of cooling failures, Refrigerant check and leak testing, Condenser, coil, and compressor inspection | Homeowners or property managers with a struggling or non-functioning AC | Catching a problem early in spring usually means a simpler, less costly repair before peak-season demand hits |
| Indoor Air Quality and Air Filtration | Whole-home air filtration system installation, Air purifier and air scrubber setup, Integration with existing HVAC equipment | Households concerned about dust, allergens, or air quality during long heating and cooling seasons | Whole-home filtration works with your existing system and does not require a separate unit or additional ductwork in most cases |
| Furnace Repair and Replacement | Full furnace diagnosis and repair, Control board, igniter, and blower troubleshooting, New furnace installation and final startup | Shelby Township homeowners facing a furnace failure or an aging system that no longer runs efficiently | When repair cost approaches the value of the unit, replacement is usually the smarter long-term move; we give you a straight answer either way |
| Full System Installation and ReplacementMost Popular | Full HVAC system removal and replacement, Equipment selection guidance, Code-compliant installation by qualified technicians | Homeowners or building owners replacing an aging or failed system and wanting it done right the first time | Most residential system replacements are completed in a single day; we explain equipment options and pricing before any work begins |
| Boiler and Hydronic Heating Service | Boiler diagnosis and repair, Hydronic system inspection and pressure testing, Circulator pump and zone valve service | Homes or commercial buildings with hot-water or radiant heating systems | Boiler work requires a technician familiar with hydronic systems; we bring that experience to every service call |
| Cold-Climate Heat Pump Installation | Central heat pump installation, Mini-split and ductless system setup, Heating and cooling in a single system | Homeowners replacing an aging furnace or AC who want year-round efficiency from one unit | Modern cold-climate heat pumps are rated to operate efficiently down to roughly -15 degrees Fahrenheit, making them a genuine option in Michigan |
| Emergency HVAC Service | Same-day and urgent response, No-heat and no-cool calls, Rapid diagnosis and repair | Anyone facing a heating or cooling failure outside normal business hours or during extreme weather | When you call, you reach someone who can get a qualified technician dispatched quickly; we give you a straight answer on the repair before any work begins |
| Heating Repair and Service | Diagnosis of heating failures and reduced output, Burner, igniter, and heat exchanger inspection, Blower motor and airflow testing | Anyone dealing with uneven heat, short-cycling, or a system that will not fire | Michigan winters leave no margin for a slow repair; same-day availability means we can often get out the same day you call |
| Heat Pump Repair and Service | Diagnosis of heating and cooling failures, Refrigerant and defrost cycle testing, Compressor and reversing valve inspection | Homeowners with an existing heat pump that is underperforming or not switching modes correctly | A heat pump that struggles in heating mode may need a defrost cycle check or refrigerant service, not a full replacement |
| Thermostat and Smart-Control Installation | Programmable and smart thermostat installation, Whole-home zoning setup, Remote access and comfort-control configuration | Homeowners who want better control over comfort and energy use | A correctly wired smart thermostat can improve system efficiency and catch scheduling issues that drive up energy bills |
| Ductwork Repair and Sealing | Ductwork inspection and leak diagnosis, Sealing and repair of leaking duct sections, Full ductwork replacement when needed | Homes with high energy bills, uneven temperatures, or rooms that never reach the set temperature | Leaking ductwork can send a significant share of conditioned air into attics or crawl spaces before it ever reaches a living area |
| Seasonal Maintenance and Tune-Ups | System inspection and cleaning, Refrigerant level check and airflow verification, Early identification of worn or failing components | Homeowners who want confidence heading into summer or winter without a mid-season breakdown | A fall furnace tune-up and a spring AC tune-up are the two most reliable ways to extend system life and avoid emergency calls |
| Whole-Home Humidifier Installation | Humidifier integration with furnace or air handler, Ductwork and water-supply connection, Automatic whole-home humidity control | Homes with dry indoor air, static electricity, or cracking wood trim during heating season | Forced-air heating pulls moisture out of the air all winter; a whole-home humidifier makes a noticeable comfort difference from the first week |
How do I know whether to repair or replace my furnace or AC?
The main factors are system age, repair cost, and efficiency. A furnace or AC that is 15 or more years old and facing a repair that costs more than a third to half of what a new system would run is usually a better candidate for replacement. We give you an honest assessment of both options, including what the repair involves and what a comparable new system would cost, so you can make the call with clear information.
What are the signs that my heating or cooling system needs attention soon?
Weak or uneven airflow, a system that cycles on and off more frequently than it used to, warm air coming from the vents when the AC is running, unusual sounds like banging or grinding, or a furnace that struggles to hold temperature on a cold day are all worth a call. Catching a problem early almost always means a simpler repair than waiting until the system stops working entirely.
Why is one room in my house always hotter or colder than the rest?
Uneven temperatures usually point to a ductwork issue, an airflow imbalance, or a zoning problem. Leaking duct sections, a damper that is not operating correctly, or a thermostat that is not reading the space accurately can all cause one area to fall out of range. We inspect the full system to trace the source rather than guessing at the fix.
Transparent Upfront Pricing
We explain the full scope and cost before any work begins. There are no hidden fees on any HVAC job, and nothing shows up on the invoice that was not discussed and approved first.
How often should I schedule maintenance on my HVAC system?
Twice a year is the standard recommendation: a spring tune-up before cooling season and a fall tune-up before heating season. Each visit covers inspection, cleaning, and a check of the components most likely to cause a breakdown. Regular maintenance extends system life and keeps efficiency up, which shows up in your energy bills over time.
What does a seasonal tune-up actually cover?
On a maintenance visit, we inspect and clean the key components, test system operation, verify refrigerant levels, check airflow through the system, and flag anything that looks like it could become a problem before the heavy-use months arrive. The goal is to catch a worn part or a dirty burner in October rather than deal with a breakdown in February.
Is a cold-climate heat pump a realistic option for a Michigan home?
Yes, and it has become a much more practical choice in recent years. Modern cold-climate heat pumps are rated to operate efficiently down to roughly -15 degrees Fahrenheit, which covers even the coldest stretches in Macomb County. A heat pump handles both heating and cooling in a single system, and energy efficiency incentives have made them a fast-growing option for homeowners replacing aging equipment. We can walk you through whether it makes sense for your home and your existing setup.
Same-Day and Emergency Availability
Heating and cooling failures do not wait for business hours. We offer same-day and urgent response for no-heat and no-cool situations across Shelby Township and the surrounding area.
What causes a system to short-cycle, meaning turn on and off too frequently?
Short-cycling has several common causes: an oversized system that heats or cools the space too quickly, a dirty filter restricting airflow, a refrigerant issue, or a failing component like a pressure switch or control board. It puts extra wear on the system and drives up energy use. A diagnostic call usually identifies the cause quickly.
How does leaking ductwork affect my energy bills?
Leaking ducts can send a meaningful share of the conditioned air your system produces into attics, crawl spaces, or wall cavities before it ever reaches a living area. The result is a system that runs longer to hit the set temperature, which raises energy costs and puts more wear on the equipment. Sealing or repairing the ductwork gets that conditioned air back where it belongs.
Code-Compliant Work on Every Job
Every installation and repair we perform meets current code requirements. Work is carried out by qualified HVAC technicians who treat every job, large or small, with the same standard of care.
Do I need to be home when the technician comes out?
Someone should be present who can grant access to the equipment and answer a few questions about what the system has been doing. You do not need to stay in the room during the work, but having someone available to review the findings and approve any repair before we begin is part of how we keep the process straightforward and transparent.
How does pricing work, and will the quote change once work starts?
We give you a clear price before any work begins and we stand behind it. If additional issues are discovered once the system is open, we communicate that before proceeding. You will not find a charge on the invoice that was not discussed and approved beforehand. Transparent pricing with no hidden fees on any HVAC job is something we take seriously on every call.
What should I do if my heat stops working in the middle of the night?
Check the thermostat first to confirm it is set to heat and the temperature is set above the current room temperature. If the display is blank, check whether the circuit feeding the furnace has tripped. If none of that restores operation, call us. We offer same-day and urgent service for heating emergencies, and when you call you reach someone who can get a technician dispatched as quickly as possible.
Every home and every system is a little different, so call us at (586) 789-9445 and we will talk through what you are dealing with and get the right service scheduled.
(586) 789-9445