houses

Heating and Cooling



Simply More

What We Do

At Blue Castle Systems, we understand that your once-in-a-lifetime home deserves an equally exceptional mechanical system.


With that guiding principle in mind, we provide custom-designed and fully integrated geothermal, radiant heat and indoor air quality systems that meet both the human and technical requirements for absolute comfort, efficiency, and longevity.


Our foremost focuses are: Comfort, Quality, and Sustainability. This includes unique ideas and innovative solution techniques, with energy savings and indoor air quality in mind.


We are based in Greater Grand Forks and we have designed and installed many residential systems for a variety of builders. We've earned the confidence of custom home builders along with many other discerning homeowners.


We look forward to earning your confidence as well.

You can count on Blue Castle Systems For:

  • Being Green. We've been Green from our inception. We believe in Energy-efficiency.
  • Your Energy-Star installer. We only install Energy Star equipment as a minimum.
  • Your High Performance duct system designer and installer. We have been duct sealing before the term "Green" existed, and before it became mandatory.
  • Performing a Load Calc. We have been doing this since our inception. Without a guide or plan we, as contractors, would be guessing. Thanks Manual J, Manual S, and Manual D.
  • Your Geothermal designer and installer. We do custom systems for those who know what's what and those who know nothing about Geothermal, but want savings; either way it's always a custom install.
  • Custom Radiant Heat design and installs. Whether it's simply a basement or an elaborate Geo-Rad system, we do it all.
  • Your Air Source Heat Pump design and installer. We do custom systems that rival other name brands so called "Hybrid Systems". We cater to those green clients that are interested in powerful savings$$.
  • Indoor Air Quality design and installation. Whether it is an Air Exchanger, Air Cycler, or advance exhaust systems, we're able to satisfy ASHRAE requirements and your energy savings.
  • Solar Thermal Heating. We provide solar heating for those who want to go all the way in minimizing their energy usage.
  • Advance Zone Systems. We cover all aspects of zoning, whether it is for Forced-Air or Radiant Floor Heat.
  • Quality and Professionalism. Our installation practices are superior when it comes down to your Comfort, your Energy Savings, and your Equipment Longevity. We just can't say enough..