Oreshnitsa International Company

Our Mission


To ensure a high quality and reliability services at affordable price


OIC Technical Services

We are offering a high-quality 24 hours a day / 7 day a week Commercial and Residential HVAC/ refrigeration services including troubleshooting, repair, preventive maintenance and installation of the systems.


  • Heating and Air Conditioning Package Systems
  • Air Handlers and Exhaust Fans
  • Walk-in Coldrooms and Freezers
  • Deli-cabinets and Ice-makers
  • Incubators and Shakers
  • Refrigerators and Freezers
  • Ultra-low Freezers
  • Stability Chambers
  • Boilers and Water Heaters
  • Chillers


  • Heating and Air Conditioning Systems
  • Heat Pumps
  • Water Heaters
  • Furnaces

About OIC Technical Service Group

Oreshnitsa International Company (OIC) is a producer and distributor of the small kitchen appliances and technical services provider. Our company was established in June of 2010 in Washington State, USA. OIC group are providing a complete technical services for all our products. In January of 2017, we extended our technical services to Commercial and Residential HVAC/refrigeration customers.

OIC technicians have over 20 years of wide range commercial and residential Heating Ventilation Air Conditioning & refrigeration experience.  Our technicians owner of high grade licenses such as Unlimited Refrigeration Journeyman Mechanic, Universal Operating and Maintenance Engineer Licenses.

OIC guarantees to provide high-quality work at low cost to our customers. We strive to make our customers happy.

To ensure a high quality and reliability services, OIC provides 6 months of labor limited warranty for preventive maintenance and 1 year labor limited warranty for installation activities.

Our equipment comes with 10 years manufacturing warranty. We are selling Goodman, Coleman, Evcon, Daikin, Ameristar and other brands of heat pumps, air conditioning, mini-splits, furnaces, etc.

To earn your business, we will try to bid any offer with 15% discount on a similar service.

OIC  HVAC Services and Warranty


10 Years Manufacturing Warranty for HVAC  Equipment
1 Year Labor Warranty for Installation
6 Months of Warranty for Preventive Maintenance