A DIFFERENCE YOU CAN FEEL
Providing the Heating and Cooling Your Home Needs
Locally and Family Owned
Good indoor air quality is central to your health and comfort. Our professionals can help achieve your best levels of quality air. Let us help keep you save and comfortable.
About Monaghan Mechanical
Monaghan Mechanical offers excellent heating, ventilation, and air conditioning (HVAC) system installation, replacement, repair, and maintenance in Coeur d'Alene and the surrounding areas since 2004.
Each of our trained professionals is proud to serve our Idaho customers and our community with integrity. We strive to earn your loyalty and aim to be your trusted source for all your heating and cooling needs.
Contact us today for your homes services and repair today!
Our Service Area
Proudly serving Coeur d'Alene and the surrounding Idaho areas, including Kellogg and Sandpoint, ID.
Don't see your city? Give us a call today to see if we're in your area!
Our Current Specials
We Service All Brands
Read the Monaghan Mechanical Blog
Is Your AC Ready for Summer? What Homeowners Should Check Now
When the temperatures start climbing, and the sun means business, your AC isn’t just a luxury; it’s your home’s MVP. But before the real summer heat rolls in, it’s worth asking: is your system ready to keep up? The good news is you don’t need to be an HVAC expert to give your unit a…
Spring Allergies: Your HVAC System Can Help You Breathe Easier in Your Home
Spring is a time of renewal, but for millions of homeowners, it’s also the season of sneezing, itchy eyes, and congestion. Trees and grass are prominent springtime culprits, letting pollen loose into the air and on surfaces—and if we’re not careful—into our homes. We track it indoors, let it in through open windows…
2026 Heat Pump Buying Guide
Tired of sky-high gas bills or uneven temperatures in your home? A heat pump could be the perfect solution for year-round comfort and significant energy savings. makes the transition easy, handling everything from expert installation to reliable repairs. Our technicians can replace your old HVAC system with a new, ducted air-source heat pump that…
Home HVAC Zoning Tips in Coeur d’Alene, ID
A centralized HVAC system can be both a blessing and a curse. You might love your furnace-air conditioner combination or year-round heat pump, along with the ductwork that delivers heating and cooling to your entire home. But occasionally, you wish one room could remain cooler while another stayed warmer. If your central thermostat has become…
How Do I Know I Have a Cracked Heat Exchanger?
Our experienced furnace repair technicians will inspect and diagnose your furnace issue and resolve the concerns you are having.
How Your HVAC Equipment Protects Against Viruses
Did you ever start sneezing or coughing right after you entered a building or home? You can probably blame the poorly maintained indoor air quality.
What Is That Burning Smell Coming From My Furnace?
There is nothing scarier than switching your furnace on in the fall and catching a whiff of something burning.
How Do I Know When It’s Time to Buy a New Furnace?
Opt for an ENERGY STAR® qualified furnace—these can be up to 15 percent more efficient than standard models, according to ENERGY STAR.
How Your HVAC System Can Help You Sleep
The sound of a well-maintained heating, ventilation, and air conditioning (HVAC) system is like a lullaby for a good night’s sleep.
5 Reasons Why Regular HVAC Maintenance Is Essential
According to the U.S. DOE, a simple task such as changing the air filter on your HVAC system can improve efficiency by up to 15 percent.