Residential and light commercial:

  • Installation & Service
  • Service Agreements
  • Indoor air quality
  • Thermostats
  • Hygrometers
  • Humidifiers
  • Dehumidifiers
  • Duct work repairs/ replacement
  • High efficiency Filters
  • FanHandlers
  • CleanEffects
  • Duct Sealing
  • Geothermal
  • Low level carbon monoxide detectors
  • Duct cleaning
  • Dryer vent cleaning
  • New construction
  • Repair & replacement of geo, oil, gas, electric, heat pumps, air conditioners, etc.
  • Energy analysis
  • Mini Splits
  • High Velocity
  • Blower door testing
  • And Much Much More!
 I contacted Thelander's for suggestions on replacing my new heating system. Byron explained all the options so I was able to make a comfortable decision on which route to take.

- Mike Colby
Thelander Heating & Cooling, Inc is an Iowa based heating and cooling AC service, repair and replacement company located in Monona County, Iowa, that services Onawa IA, Whiting IA, Sloan IA, Salix IA, Hornick IA, Decatur NE, Blencoe IA, Mapleton IA, Turin IA, Castana IA, Soldier IA, Moorhead IA, Woodbury County, Harrison County and more. We service furnace, AC, humidifier, dehumidifier, filter, thermostat and geothermal brands including Carrier, Coleman, Bryant, Payne, Trane, Tempstar, Lennox, Rheem, Ruud, Amana, Crown, Frigidaire, Gibson, Goodman, Climatemaster, Comformaker, Comfortaire, American Standard, General, Aprilaire, Honeywell, White Rodgers, Dynamic and Skuttle.

Residential and light commercial services include: installation and service, service agreements, indoor air quality, thermostats, hygrometers, humidifiers, dehumidifiers, duct work repairs/ replacement, high efficiency filters, fan handlers, clean effects, duct sealing, geothermal, low level carbon monoxide detectors, Duct cleaning, Dryer vent cleaning, New construction. Repair & replacement of geo, oil, gas, electric, heat pumps, air conditioners, etc., energy analysis, mini splits, high velocity, blower door testing. Financing is available (with approved credit).
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