Your #1 Choice for Furnace Repair in the Fond du Lac Area!

Air Conditioning

Trust us for you AC repair in Fond du Lac WI.

Air Conditioning

Repair • Replace • Maintenance

Call Lighthart HVAC for air conditioning repair and replacements, professional air duct cleaning, ventilation problems, and heat pump repair, and seasonal safety inspections. We are your complete Home Air Comfort Specialists.

Call the HVAC Specialists, Lighthart HVAC today for high-efficiency air conditioning installations that will keep you and your family in low cost, eco-friendly comfort all year!

Cool comfort and exceptional indoor air quality are available to every homeowner, whether your home has central ductwork or not. Modern, high-efficiency units cool and condition the air, removing excess humidity. Central, zoned and single room units are available to provide efficient comfort where you need it.

  • Air conditioner repair
  • Air conditioner service and cleaning
  • High-efficiency AC installation
  • Heat pumps
  • Compressor repair
  • Condensate drain lines
  • Indoor air quality
  • Coil and duct sanitation
  • Air purification/ sterilization
  • Home protection: smoke alarms, co detector,
    whole house surge protector
Allow Lighthart HVAC to keep you cool in Plymouth WI.
  • Duct cleaning
  • Duct repair/ reroute/ modification
  • Whole house dehumidifier
  • Wifi / smartphone thermostats
  • Residential zoning systems
  • Ductless solutions
  • Ductless mini-split systems
  • Weather sealing/ home efficiency
  • Thermostat service
  • Filter replacement
  • Attic Insulation