Using green building practices for over 30 years

G. Christianson Construction is an award-winning Earth Advantage Builder, recognized for our achievements in sustainable & energy efficient construction. We use a variety of environmentally-responsible systems and materials to create superior energy efficiency and indoor air quality in your home.

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A passive house maximizes home comfort and saves up to 70% on your energy bill. G. Christianson is at the forefront of Passive Building in Oregon.

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Energy Efficient Design

Our designers use passive solar design to add daylight in the winter and shade in the summer. By working with the seasons, not against them, we can raise your comfort, reduce your carbon footprint, and lower your electric bill.

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Energy Efficient Building Practices

Super insulation. Energy-efficient appliances. No drafts or thermal bridging. At G. Christianson Construction, our energy-efficient approach makes it possible to maintain a stable, comfortable temperature in your home with less energy, at less cost.

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Comfort & Air Quality

If your home is uncomfortable, drafty, or cold, an energy retrofit may help. It can also reduce your home’s carbon footprint. We can block drafts, help you select low-VOC materials, and incorporate systems that will lower your utility bills, improve air quality, and add to your comfort.

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Energy Upgrade Services

  • Install solar electric PV panels
  • Add insulation to walls, floors and attics
  • Air seal to reduce heat loss
  • Test & seal leaky ductwork
  • Replace old windows
  • Replace inefficient heating systems
  • Mini-split heat pumps
  • Design with solar best practices
  • Build with reused, recycled, FSC or green products
  • Paint and carpet with low VOC
  • Formaldehyde-free paint and carpet
  • Install LED lighting systems
  • Build raised heel trusses
  • Add heat recovery ventilators
  • Tankless and heat pump water heaters
  • Build with ICF
  • Build with insulated concrete block walls
  • and much more

What our Clients are Saying

“They exceeded my already high expectations on this latest project. I'm already planning the next project, and would recommend them heartily.”

Pat Megowan, Corvallis

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“Since 2011, we've removed, repaired, load tested or replaced most of the fire escapes around OSU. Please call us for advice on your fire escape.”

Carl Christianson, Owner

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“When Old Spaghetti Factory's contractor failed, Bob called us for help. We stepped in and completed their new restaurant, on budget and on time.”

Carl Christianson, Superintendent and Owner

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