Heating & Cooling for Northwest Homes
Based on Lopez Island and serving the San Juan Islands.
Licensed & Bonded
Commercial & Residential
New Systems & Repairs
Local Islands Service
Practical Solutions for Real Homes
Every home is unique. Some need full system upgrades, while others just need thoughtful repairs, better airflow, or a more efficient setup.
Sage approaches heating and cooling with a focus on reliability, efficiency, and long-term performance, without overcomplicating the process.
Whether you’re building new, remodeling, replacing an aging system, or troubleshooting an issue, we work to find solutions that make sense for your space (and your budget!)
Serving the San Juan Island Area
Ductless Heat Pumps
Ductless heat pumps, also called mini-splits, are our specialty. We design, supply, and install both Mitsubishi and Quilt systems for residential and commercial spaces.
Installation
We provide professional installation of ductless heat pump systems for homes, cabins, and commercial buildings throughout San Juan County.
Replacement & Upgrade
We provide professional installation of ductless heat pump systems for homes, cabins, and commercial buildings throughout San Juan County.
ERV & HRV Systems
We design and install complete ERV (Energy Recovery Ventilation) and HRV (Heat Recovery Ventilation) packages to ensure healthy indoor air quality without sacrificing efficiency.
Maintenance
We stand behind what we install. Our maintenance program is available for equipment installed by Sage, keeping your system running at peak efficiency and protecting your warranty.
Commercial HVAC
We work with select commercial clients on heat pump installation and, on a case-by-case basis, service and maintenance of commercial HVAC equipment. Contact us to discuss your project.
Our Partners
Systems We Trust
Quilt offers a modern, homeowner-focused approach to heating and cooling, combining energy efficiency with intuitive controls and thoughtful design. These systems can be a great fit for homes prioritizing simplicity, comfort, and aesthetics.
Why Sage
An Intentional Approach to Heating and Cooling
Recent Work
From First Call to Finished Work: What to Expect
Conversation
We start by understanding your space, goals, and any issues you’re experiencing.
Site Visit
We assess the existing system and talk through practical options that fit both your needs and your budget.
Installation or Repair
Work is completed carefully, cleanly, and with attention to long-term performance.
Ongoing Support
We remain available for maintenance, troubleshooting, and future upgrades as your needs change.
Still Have Questions?
Yes. Modern heat pumps are highly effective in the Northwest climate and can provide both heating and cooling efficiently year-round.
In many cases, yes. We can often repair, improve, or upgrade existing systems without requiring a full replacement.
Yes. As licensed general contractros, we regularly coordinate HVAC work for remodels, additions, and new construction projects.
Rising energy bills, uneven temperatures, frequent repairs, and aging equipment are often signs it may be time to explore replacement options.
Our
Service Areas
Sage Building Solutions provides heating, cooling and construction services on Lopez Island and throughout neighboring communities including:
- Lopez Island
- Orcas
- San Juan Island
- Shaw
- Center Island
- Decauter Island
- Anacortes
Climatize Your Space
Whether you’re planning ahead or trying to solve an immediate problem, we’re happy to talk through your options.
