Comprehensive HVAC Services in Grand Rapids & Allendale

Licensed Experts for Reliable Heating, Cooling, and Air Quality

As your trusted local comfort connection, NEXUS HVAC LLC proudly offers a comprehensive range of services tailored to meet all your residential or commercial heating and cooling needs, from start to finish. Whether you are in need of urgent emergency repairs or planning the installation of high-efficiency systems designed to optimize your energy usage, we are here to deliver guaranteed quality with every project we undertake. Our skilled team is dedicated to maximizing your energy savings while ensuring consistent indoor air quality throughout your space. This commitment allows us to transform your home or business into a perfect haven of comfort, regardless of the season. With NEXUS HVAC LLC, you can enjoy peace of mind knowing that your heating and cooling systems are in capable hands.

Person in gray work clothes and hard hat inspecting HVAC unit, top-down view.

Our HVAC Services

HVAC technician kneels, using gauges to examine an air conditioning unit outside near a brick wall.

Heating & Furnace Services

Comprehensive service for furnaces, boilers, and heat pumps. We diagnose, repair, and install high-efficiency heating systems to ensure reliable, cost-effective warmth for your home.


Stay Warm & Efficient All Winter.


  • Furnace Repair & Diagnostics: Fast, accurate troubleshooting and repair of all major gas, electric, and oil furnace issues, including ignition failures and blower problems, ensuring your heat is restored quickly.
  • High-Efficiency Furnace Installation: Expert consultation and installation of modern, high-efficiency furnace models designed to significantly lower your utility bills and provide superior, consistent warmth.
  • Boiler System Repair & Maintenance: Specialized service for hot water and steam boiler systems, covering everything from leak repair to efficiency tune-ups for reliable, radiant heating.
  • Heat Pump Installation & Service: Full-service heat pump solutions, covering installation, repair, and seasonal changeover checks for efficient, dual-function heating and cooling.
  • Emergency Heating Service: 24/7 priority response for critical heat loss situations during Michigan's coldest months to protect your family and home from freezing conditions.
Hand pressing the

Air Conditioning & Cooling

Expert installation, repair, and maintenance for all central air and ductless AC systems. We guarantee fast, reliable cooling for ultimate summer comfort and air dryness.


Beat the Michigan Summer Heat.


  • AC Unit Installation & Replacement: Professional sizing and installation of new central air conditioning units to match your home's needs perfectly, maximizing efficiency and cooling power.
  • AC Repair & Troubleshooting: Rapid diagnostic and repair services for common AC issues like refrigerant leaks, faulty compressors, and frozen coils, restoring cool air fast.
  • Seasonal AC Tune-Ups: Comprehensive pre-season maintenance to clean components, check refrigerant levels, and calibrate controls, ensuring peak efficiency when summer arrives.
  • Emergency AC Service: Quick-response service for severe AC failures during peak summer heat, minimizing downtime and restoring a comfortable, safe indoor environment.
Before and after of an AC unit. The old unit is rusty and dirty. The new unit is clean and modern.

Preventative Maintenance

Proactive, scheduled maintenance plans designed to extend the lifespan of your HVAC units, prevent costly emergency breakdowns, and maintain manufacturer warranty compliance year-round.


Protect Your Investment, Save Energy.


  • Seasonal HVAC Tune-Ups: Our signature service includes one heating and one cooling inspection per year, ensuring seamless transition between seasons and identifying small problems before they escalate.
  • Preventative Maintenance Plans: Customizable service agreements offering discounted repairs, priority scheduling, and guaranteed annual inspections for total year-round peace of mind.
  • Safety Inspections & Calibration: Detailed checks of electrical and gas connections, venting, and carbon monoxide detectors, along with thermostat and system control calibration for precision comfort.
  • Air Filter Replacement Program: Hassle-free service to supply and install high-quality air filters on a scheduled basis, essential for air quality and protecting your system's blower motor.
Technician in black uniform replacing air filter in a white wall-mounted air conditioner.

Air Quality & Specialty

Solutions focused on improving your indoor environment, including humidity control, advanced air filtration, and flexible ductless options for targeted comfort.


Breathe Cleaner, Live Healthier.


  • Indoor Air Quality (IAQ) Testing: Professional testing to identify pollutants, excessive humidity, and allergens in your home's air, providing data-driven recommendations for improvement.
  • Whole-Home Humidifiers/Dehumidifiers: Installation and service of systems integrated into your existing ductwork to maintain ideal humidity levels, protecting wood, reducing static, and improving comfort.
  • Air Purification Systems (UV & Media): Installation of advanced UV light air purifiers and media filters designed to neutralize airborne contaminants, viruses, bacteria, and allergens.
  • Ductless Mini-Split Systems: Expert design and installation of flexible, zoned ductless systems for efficient heating and cooling in room additions, garages, or older homes without ductwork.
  • Duct Repair & Sealing: Professional inspection, repair, and sealing of leaky or damaged air ducts to prevent energy loss and ensure conditioned air reaches every room efficiently.