Residential Plumbing & HVAC services

Servicing residential plumbing may seem like an easy task, but at A.G. O’Brien we know that every plumbing system is unique to its property — based on age, use, and the manner in which each component functions with other parts of the system. There are plenty of residential plumbing companies, but they are not all equal in terms of quality, reliability, and experience. Contact us directly to speak with one of our industry-leading plumbers today.

Plumbing Services

  • Remodel
  • New construction
  • Water heater repair/replacement
  • Tankless water heater repair/replacement
  • Faucet, shower, tub, toilet leaks, repair
  • and replacements.
  • RPZ testing, repair/replacements
  • Water/waste pipe repair/replacements
  • Water treatment
  • Water filtration
  • Sump pump install/repair/replace
  • Waste/grinder pump install/repair/replace
  • Booster pump install/repair/replace
  • Drain, snake/clog/removal

HVAC Services

  • Home heating
  • Home Cooling
  • Ventilation
  • Remodel
  • New construction
  • Heating/Cooling unit repair
  • Heating/Cooling unit service/tune up
  • Heating/Cooling unit replacement
  • Boiler
  • Furnace
  • Ductless mini splits for heating or cooling
  • Central heating & air conditioning
  • Humidification control
  • Air exchanger install/repair/service
  • Exhaust fans
  • Kitchen hoods
  • Steam equipment/system service

(we can service all brand/makes and models)


Office (218) 729-9662

Service Locations

Saint Louis County

Douglas County

Carlton County

Pine County

Itasca County

Cook County

Bayfield County