218-230-4000

Serving Greater Grand Forks and the surrounding areas

Blue Castle Systems LLC - Logo
Installation A/C Instalation Thermostat

Family-owned and locally operated

Ask us about our warranties

24/7 services

FREE estimates

Custom HVAC Services

Provide your property with a custom-designed, fully integrated, geothermal radiant heating and indoor air-conditioning system that meets your requirements for comfort and efficiency. Call Blue Castle Systems LLC today.

You can rest assured knowing our main focuses are comfort, quality, and sustainability. We always look for innovative solutions that will save you money and improve the air quality.

When you let our staff from Blue Castle Systems LLC install an HVAC system into your home, it’ll be a green, energy-efficient system. We only install Energy Star equipment and have been green since our inception!

Custom HVAC Services Outstanding Quality and Professionalism Green, Energy-Efficient Systems

Outstanding quality and professionalism

Green, energy-efficient systems