Leading and using green building practices for nearly 40 years in Corvallis, Albany & Philomath

G. Christianson Construction is an award-winning Earth Advantage Builder, recognized for our achievements in sustainable & energy efficient construction in Corvallis. We use a variety of environmentally-responsible systems and materials to create superior energy efficiency and indoor air quality in your home. Sustainable building has been at the heart of G. Christianson Construction’s motto for nearly 40 years. Founder Greg Christianson, passed his passion for the environment on to his son, Carl, who took over the business in 2015. Since 1986, G. Christianson Construction has built energy efficiency into every project. We speak at local sustainability events to educate the community on sustainable building techniques. Our business is consistently taking strides to run our business as sustainably as possible, shown most recently in our electric vehicle fleet and solar-powered cabinet shop and office.

'HOW TO ELECTRIFY YOUR HOME' PRESENTATION BY CARL & TANNER »

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

More On Passive House

Learn More About Energy Efficiency

Where to Start

Have a Home Energy Audit performed on your home. A professional energy audit will identify ways the energy efficiency of your home can be improved and where the major energy leaks are. Here's what you'll receive:

  • Blower Door Test: utilizes a temporary airtight door and a fan which creates a pressure difference to reveal where unwanted outside air is leaking into the home.
  • Thermal Camera Inspection: helps find missing insulation, water leaks, and air leakage through chimneys, attic and wall vents, poorly sealed doorways, and leaky windows.
  • Insulation Assessment: Older homes typically installed less insulation than today’s standard, and we often find compressed insulation which lowers it’s value.
  • LEARN ABOUT TAX CREDIT OPPORTUNITIES »

Solar Panels

For this project, we helped design and install a system that install a system that includes 40 solar panels. This saves 11 tons of carbon pollution per year, and provides about $1,500 savings per year. With the plunging cost of solar arrays, it may be a wiser investment to install extra solar panels than some of the most expensive energy upgrades.

Tips for Building a Solar Electric Home »

Remove Your Chimney

Chimneys are dangerous during natural disasters, and also leak a tremendous amount of heated air out of the home through the roof. We recommend removing the chimney entirely or taking the chimney top down to the ceiling level to seal roof penetrations.

Ductless Minisplits

Ductless Minisplits add much needed air conditioning to Corvallis homes, as well as can heat the home using dramatically less energy to run and cost a quarter of the price of electric heat. They provide humidity control and allow for zoned temperature control, so you can heat and cool specific rooms independently rather than the entire house! Due to it's energy-efficiency and lack of natural gas, we highly recommend switching to this system to heat and cool your home.

Mitsubishi Minisplits »

Use Durable Materials

Using durable materials lengthens the amount of time before there is a need to replace and discard old materials to a landfill. In addition, some materials provide improved thermal performance, such as metal roofs which reflect heat and lower cooling energy consumption. Other materials, such as fiber-cement siding, are more resilient to extreme weather conditions, which result in less energy and resources spent on repairs. Furthermore, materials such as high quality windows contribute to airtightness of a building, which significantly limits energy loss. We'll help guide you through material choices during the design phase of our process, to ensure both aesthetics and energy efficiency are considered during your project.

Air Tight Windows & Doors

If your home is uncomfortable, drafty, or cold, you should consider upgrading your windows and doors to be air tight. 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. Triple-paned windows are ideal, but Indow windows are a great alternative to window replacement.

Add Ceiling & Underfloor Insulation

The attic is usually where you can find some of the largest opportunities to save energy in your home. By adding insulation in your attic, you can maintain the desired temperature throughout your home much better. Combined with attic air sealing, it can also help to alleviate the formation of dangerous ice dams in the winter.

Indoor Air Quality

In a leaky older home, unhealthy air is drawn naturally through the crawlspace into your home. We can greatly improve your indoor air quality by air sealing your floors and ceilings, and providing filtered, outside air through a Fresh Air HRV System.

Find out more about keeping your home comfortable at Northwest Aerobarrier »

Insulated Exterior Walls

During siding replacement, we always encourage your to add continuous exterior insulation. This prevents energy loss through your wood framing, increases siding durability, reduces air leaks, and decreases moisture intrusion.

Migrate Away from Natural Gas

Electricity can be powered by renewable resources thus reducing global climate change. Electricity also eliminates the risk of gas leaks or carbon monoxide poisoning. Check out Electrify Corvallis for more information!

Electrify Corvallis »

Electric Cars

Electric Cars are easier to maintain, have lower costs, and have no fuel emissions. We can future proof your home by preparing your garage for electric cars and batteries. We can also add fast-changing electrical outlets in your garage.

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

“To everyone at G. Christianson- thank you! We have loved working with every one of you on our "new" house. It is all perfect and you made it so. We are enjoying it very much. This is an amazing company who employs the finest of professionals in the field. They have great ideas, respect, and accommodate our ideas and desires. Top quality in every way! Anna- we could not have had a better Designer than you. You were amazing all the way through!! ”

Mark & Tami Manning, Corvallis, OR

See the The 1000 Square Foot Home project

“We recently have done a complete home remodel with G Christianson from the design process through completion. This is an amazing company who employs the finest of professionals in the field. They have great ideas & respect and accommodate the ideas & desires of the homeowner. They are top quality in every way. They definitely rate 5 stars.”

Mark Manning, Corvallis, OR

“The client and I searched for a countertop slab that contained earthy green tones to suit her color palette. We ended up finding Moon Ray Quartzite located in Redmond, Oregon. It was perfect: a natural material, striking vein pattern, and plenty of green coloring. The natural stone is the true highlight of this space!”

Anna Clink, Interior Designer

See the Natural Quartzite Kitchen & Bath project
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