Expert HVAC Replacement Services in Mukwonago, WI
Having an efficient, reliable heating and cooling system in your home is crucial to your comfort, health, and safety. Over time, your home’s HVAC system may become less efficient. You might notice hot or cold spots, strange noises or smells, increasing energy bills, and other problems that let you know it’s time to start thinking about upgrading to a new system.


At Donovan & Jorgenson Heating and Cooling, we make the process of new heating and cooling installation as stress-free and seamless as possible. We have a team of experienced technicians who can guide you in the process of choosing a new HVAC system, AC, boiler, heat pump, ductless system, or thermostat. We’ll make sure you get the perfect system for your needs so that you and your family are comfortable year-round. Call now to schedule a consultation for HVAC replacement in Mukwonago, New Berlin, West Allis, or elsewhere in the Milwaukee metro area.
Signs You Need a New Heating or Cooling System
If you recognize the early warning signs of a heating or cooling problem, you can get service before it becomes an emergency. Give us a call if you see any of these signs you need a new HVAC system:
- Increasing energy bills with no increase in usage
- Weak air or no air coming from the vents
- No matter how long the system runs, your home won’t reach your desired temperature
- Hot or cold spots in your home
- Hot air blowing when the AC is running, or cold air blowing when the heater is on
- Strange smells like mold, mildew, or a fishy odor
- Strange noises like squealing, rattling, clanging, or banging
- Your thermostat’s temperature doesn’t seem to match the temperature in the home
- The system runs non-stop or keeps cycling on and off
- Your thermostat won’t turn on
- The humidity level in your house has increased, or you have condensation on the inside windows and walls
- Your indoor air quality has decreased, and you have allergies or asthma symptoms
- You keep paying for costly repairs only to have the system break down again
- Your HVAC is over 15 years old
Benefits of Upgrading Your Heating and Cooling System
While getting a new HVAC system, furnace, or AC is an investment, it has many benefits that outweigh the financial cost. When you choose the right type of heating and cooling system, you can improve the comfort of your home, increase its resale value, lower your energy costs, and more. Here is a look at the biggest benefits of updating your home’s HVAC system:
- Lower Utility Bills – Modern HVAC systems are more efficient. They can heat or cool your home faster with a lower risk of lost heated or cooled air. This means that your annual energy costs will decrease.
- Reduced Repair Costs – With a newer HVAC system, you won’t have to commit to frequent, costly repairs. With proper maintenance, your system should last for a long time before it needs to be repaired.
- Greater Comfort – A new HVAC system that is sized to your home and your household’s needs will enhance your comfort.
- Increased Safety – Having an older HVAC system that breaks down constantly can be unsafe. Older systems are a greater fire hazard, and a heating or cooling system breakdown in extreme weather can threaten the health and safety of your family and pets. Installing a new system significantly lowers that risk.
- Better Indoor Air Quality – A modern HVAC system will improve your home’s indoor air quality, which will improve your health.
- Increased Home Value – Installing a high-quality, energy-efficient HVAC system can increase the resale value of your home.
- Enhanced Energy Efficiency – Modern ACs and heating systems are more eco-friendly, sustainable, and energy-efficient. Your home will be more environmentally friendly, and you can lower your carbon footprint.
- Access to Modern Features and Smart Home Integration – Some HVAC systems feature modern technology, such as Wi-Fi control and smart home integration. These features can offer you greater control over your home’s heating and cooling needs and give you better insight into your energy usage.
Our HVAC Replacement Services
We offer durable, high-quality products from reputable brands known for their longevity and performance. We can install any make or model of heating, cooling, and HVAC system. We’re happy to inspect your system and run diagnostic tests to determine the underlying cause of your heating and cooling problem. We can then give you our professional recommendations for HVAC repair or replacement. Our HVAC replacement services include.
- AC replacement
- Boiler replacement
- Ductless system replacement
- Heat pump replacement
- Heating system replacement
- Thermostat replacement
We can also help you upgrade from one type of system to another. For instance, we can install a ductless system in your garage, workshop, home office, or home addition, or help you switch from a furnace to a heat pump.

Why Choose Donovan & Jorgenson Heating and Cooling
Donovan & Jorgenson Heating and Cooling is an employee-owned HVAC company that has been in business since 1983. We have a team of NATE-certified technicians with extensive experience in all aspects of home heating and cooling. We pride ourselves on our commitment to fast response times, thorough inspections and accurate diagnoses, affordable and sustainable heating and cooling solutions, quality products and workmanship, and exceptional customer service. We’re always happy to schedule a consultation to discuss your heating and cooling needs and find the best solution for your home.
Get an Estimate for Heating or Cooling System Replacement
Call us now or contact us online to request a quote for HVAC replacement in Mukwonago, New Berlin, West Allis, or elsewhere in the Milwaukee metro area. We can do a thorough assessment of your existing system, identify and diagnose problems, and guide you in deciding between HVAC repair and HVAC replacement. We specialize in the maintenance, repair, and installation of HVAC systems, heaters, ACs, boilers, ductless systems, and heat pumps.






