THE 10 BEST Weatherization Services in PORTLAND, OR
| Business Name | Key Services | Best For | Address | Hours | PS Rating |
|---|---|---|---|---|---|
| GreenSavers | Home insulation, HVAC systems, energy audits, heat pumps | Complete energy efficiency projects | 3029 SE 82nd Ave, Portland, OR 97266 | Mon-Fri: 8:00 AM – 5:00 PM, Sat-Sun: Closed | 4.7/5 |
| Crawl Pros | Crawl space cleaning, insulation, encapsulation, water remediation | Crawl space and attic services | 7404 SE Johnson Creek Blvd Suite A, Portland, OR 97206 | Mon-Sun: 8:00 AM – 10:00 PM | 4.3/5 |
| Revival Heating & Cooling | HVAC systems, weatherization, energy audits, insulation | Whole-home comfort solutions | 205 SE Spokane St, Suite 300, Portland, OR 97202 | Mon-Sat: 7:00 AM – 5:00 PM, Sun: Closed | 4.5/5 |
| Northwest Weatherization | Attic insulation, wall insulation, crawl space solutions, vapor barriers | Residential insulation retrofits | 11240 SE Woodward, Portland, OR 97266 | Mon-Fri: 7:00 AM – 5:00 PM, Sat-Sun: Closed | 4.4/5 |
| Balanced Energy Solutions | Home energy assessments, air sealing, duct sealing, insulation | Custom weatherization projects | 2701 SE 14th Ave, Suite 110, Portland, OR 97202 | Mon-Fri: 9:00 AM – 5:00 PM, Sat-Sun: Closed | 4.6/5 |
| Knez Building Materials | Weatherization, insulation removal, building materials, air sealing | Existing home repair | 519 SE Main St, Portland, OR 97214 | Mon-Fri: 6:30 AM – 4:00 PM, Sat-Sun: Closed | 4.5/5 |
| Two Brothers Insulating | Spray foam insulation, blown-in insulation, siding installation | Complete home weatherization packages | Service area varies, contact for details | Contact for hours | 4.2/5 |
| Josh Lowe’s Dr. Energy Saver | Crawl space insulation, attic insulation, weatherization, window replacement | Comprehensive energy-saving services | Service area varies, Portland metro | Contact for hours | 4.3/5 |
| Community Energy Project | Free weatherization, safety repairs, heat pump installation | Low-income homeowners | Service area varies, Portland | Contact for hours | 4.8/5 |
| HomeRx | Energy audits, insulation, weatherization, rebate assistance | Affordable full-service weatherization | 13939 SW Tualatin-Sherwood Rd, Portland, OR | Contact for hours | 4.4/5 |

#1. GreenSavers – Best for Complete Energy Efficiency Projects
Key Highlights:
- Eight-time winner of U.S. EPA’s ENERGY STAR Contractor of the Year Award
- Certified B Corporation with over 5,000 completed energy-saving projects since 2007
- Perfect 5-star rating as Energy Trust Trade Ally Contractor with comprehensive rebate assistance
GreenSavers stands out as Portland’s premier weatherization company for good reason. They take a whole-home approach to energy efficiency instead of just patching problems. Their team starts with detailed energy audits that show exactly where your home is losing money.
What makes them special is their commitment to quality over shortcuts. They only work with top manufacturers and provide 100% satisfaction guarantees on every project. Their staff handles all the complicated rebate paperwork for Energy Trust of Oregon incentives. This means you save money upfront without the headache.
Customers love that GreenSavers educates them throughout the process. They explain how different improvements work together. For example, new windows affect your heating system needs. This helps you make smart choices about which projects to tackle first. Their pricing is competitive and they back everything with solid warranties.
#2. Crawl Pros – Best for Crawl Space and Attic Services
Key Highlights:
- Specializes exclusively in crawl space and attic solutions for maximum expertise
- Extended hours seven days a week for customer convenience
- Free estimates with detailed inspections and solutions for moisture, pests, and insulation
Crawl Pros focuses on the parts of your home most people forget about. But these spaces matter more than you think. Your crawl space affects up to 70% of the air you breathe indoors. That makes it crucial for your family’s health.
The company offers everything from basic cleaning to complete encapsulation systems. They remove old damaged insulation, install vapor barriers, and fix water problems. Their technicians know how Portland’s wet climate creates unique challenges. They design solutions that actually work for local conditions.
Customers appreciate the honest recommendations without pushy sales tactics. The team shows you exactly what they find during inspections. They explain which fixes are urgent and which can wait. Many reviews mention the clean, professional work and helpful staff. They even coordinate with their sister company Pest Pros if they find rodent problems during service.
#3. Revival Heating & Cooling – Best for Whole-Home Comfort Solutions
Key Highlights:
- Over 17 years of experience with Building Performance Institute (BPI) certified specialists
- Holistic approach combining HVAC systems with weatherization improvements
- Comprehensive energy audits with no-pressure recommendations
Revival Heating & Cooling takes weatherization seriously. They understand that half your comfort comes from your HVAC system and half comes from your home’s envelope. That’s why they address both sides of the equation.
Their energy audits use special equipment to find air leaks and measure insulation levels. Then they create custom plans based on your specific needs and budget. The team installs everything from attic insulation to heat pumps to central air conditioning. They’re especially good at older homes that need special attention.
What customers love most is the communication. Revival keeps you informed every step of the way. They help you understand available rebates and tax credits. Their technicians are friendly and respectful of your home. The company has strong reviews for solving tricky comfort problems that other contractors gave up on.
#4. Northwest Weatherization – Best for Residential Insulation Retrofits
Key Highlights:
- Over 5,000 insulation services completed since 2010 in Portland metro area
- PTCS and LEAD certified technicians with ongoing training
- Energy Trust of Oregon Trade Ally with free home energy assessments
Northwest Weatherization specializes in making existing homes more energy efficient. They’re experts at adding insulation to homes that were built without enough. This includes attics, walls, crawl spaces, and floors.
The company uses high-quality materials designed for Pacific Northwest weather. Their fiberglass insulation is formaldehyde-free with vegetable-based binding agents. For walls, they use spray-in insulation that doesn’t settle over time. They also install vapor barriers to protect against moisture damage.
Customers praise their straightforward honest approach. The estimators explain exactly what work needs doing and why. The crews are professional, clean, and efficient. Best of all, they handle all the complicated rebate paperwork. This makes expensive projects much more affordable. Many homeowners see the difference in their energy bills right away.
#5. Balanced Energy Solutions – Best for Custom Weatherization Projects
Key Highlights:
- Small family-owned company with personalized service since 2008
- Performs 150+ projects per year with complete in-house crews
- Specializes in complex moisture and air flow issues
Balanced Energy Solutions keeps things personal. As a small family company, you work with the same people from start to finish. Owners Amy and Gregg Robinson believe in educating customers about how their homes actually work.
The company offers complete weatherization services including home energy assessments, air sealing, duct sealing, and insulation. They’re particularly skilled at solving moisture problems caused by poor ventilation. Their team can handle everything from simple attic insulation to complete whole-house retrofits.
What sets them apart is their attention to detail. They carefully remove and replace cedar shingles when blowing insulation into walls. Inside, they patch and repaint any holes they make. They even come back in better weather to touch up exterior paint. Customers rave about their professionalism and the quality of work that looks like nothing was ever done.
#6. Knez Building Materials – Best for Existing Home Repair
Key Highlights:
- Energy Star Certified with Angie’s List Super Certified Gold Star Award
- Energy Trust of Oregon Trade Ally offering cash incentives and tax credit assistance
- Largest fleet of delivery trucks in Portland area for materials and service
Knez Building Materials brings serious experience to weatherization projects. They’ve been serving Portland since long before energy efficiency became trendy. The company knows exactly how to work with older homes that need updating.
Their weatherization services cover everything from attic insulation to air sealing to blown-in wall insulation. They also offer insulation removal when old material is damaged or contaminated. As building material suppliers, they have access to top products at competitive prices. They can help with remodeling projects too.
The big advantage is their relationship with Energy Trust of Oregon. They help you qualify for payment incentives and state energy tax credits. This makes projects much more affordable. Their team knows all the latest building codes and energy efficiency standards. They’re also experts at drywall recycling for environmentally conscious customers.
#7. Two Brothers Insulating – Best for Complete Home Weatherization Packages
Key Highlights:
- Family-owned company with over 10 years of experience in weatherization
- PTCS certified technicians using advanced diagnostic equipment
- Special packages for homes built in 1950s-1970s without wall insulation
Two Brothers Insulating offers unique complete weatherization packages. Their specialty is homes from the mid-20th century that were built with little or no wall insulation. They remove existing siding, fill wall cavities with dense-pack insulation, then install new siding.
The company works directly with utility companies to help homeowners save money. They offer various insulation types including fiberglass, cellulose, spray foam, and mineral wool. Their technicians use blower door tests and duct pressure tests to find exactly where your home loses energy.
What makes them different is their commitment to doing things right. They take time to properly air seal before insulating. They treat every customer with respect regardless of project size. The family ownership means they truly care about quality and their reputation. They understand that weatherization is about safety and health, not just comfort.
#8. Josh Lowe’s Dr. Energy Saver – Best for Comprehensive Energy-Saving Services
Key Highlights:
- Over 15 years of experience in energy efficiency improvements
- Part of Dr. Energy Saver national network with proven methods
- Customized solutions for crawl spaces, attics, and whole-home weatherization
Josh Lowe’s Dr. Energy Saver brings national expertise to Portland homes. They’re part of a larger network that shares best practices and proven techniques. This means you get cutting-edge solutions backed by years of research.
The company specializes in the areas most critical for energy efficiency. That includes crawl space encapsulation, attic insulation, duct sealing, and window replacement. They also offer complete weatherization packages. Their team stays current with latest technology and industry training.
Customers appreciate the thorough approach. Dr. Energy Saver doesn’t believe in one-size-fits-all solutions. They assess your specific situation and create custom plans. Their warranties give you peace of mind. The company offers financing options to make projects affordable. Many homeowners report significant drops in energy bills after their work is complete.
#9. Community Energy Project – Best for Low-Income Homeowners
Key Highlights:
- Provides completely free weatherization and safety repairs for qualified households
- Serves Portland homeowners earning 50-80% of median income who are seniors or disabled
- Includes free heat pump and water heater replacement programs
Community Energy Project stands apart because they focus on helping those who need it most. This nonprofit organization provides free weatherization services to low-income Portland homeowners. You don’t pay a penny if you qualify.
Their services include air sealing, insulation, furnace repair, heating duct improvements, and ventilation. They also offer free heat pump installation and water heater replacement for eligible participants. The goal is reducing energy bills while improving home safety and comfort.
The process starts with a phone intake survey to check eligibility. Then they schedule an on-site audit to identify needed repairs. Their technicians complete all approved work at no cost. They even handle coordination with other programs. This organization truly changes lives by making homes healthier and more affordable to heat and cool.
#10. HomeRx – Best for Affordable Full-Service Weatherization
Key Highlights:
- 12 years of experience with Energy Trust of Oregon partnership
- Applies incentives at time of purchase and handles all rebate paperwork
- Multiple weatherization and safety certifications for installation crews
HomeRx makes weatherization accessible and affordable. They work closely with Energy Trust of Oregon and local utility programs. This helps you take advantage of every available incentive. They even apply rebates upfront when possible.
The company offers complete services including energy audits, insulation, air sealing, and duct work. Their crews are highly qualified with multiple safety certifications. They treat your home with respect and clean up thoroughly. The team provides itemized bids that focus on lowering energy costs.
What customers love is the straightforward process. HomeRx gives free home assessments by energy experts. They explain recommendations in plain language. They help with all documentation for tax credits too. The pricing is competitive and the work quality is excellent. Many reviews mention how much the improvements helped during Portland’s temperature extremes.
How Much Does Weatherization Cost in Portland?
Weatherization costs in Portland vary widely based on the scope of work needed. Basic air sealing and attic insulation typically runs between $1,500 to $4,000 for an average-sized home. More comprehensive projects including wall insulation, crawl space encapsulation, and duct sealing can cost $5,000 to $15,000 or more.
The good news is that Portland homeowners have access to excellent rebate programs. Energy Trust of Oregon offers significant cash incentives for weatherization improvements. These can reduce your out-of-pocket costs by 30% to 50% in many cases.
Portland General Electric and NW Natural also provide rebates for energy-efficient upgrades. Some contractors apply these incentives directly to your bill. Federal tax credits are available too, offering up to 30% back on qualifying improvements. When you factor in all available help, weatherization becomes much more affordable than the sticker price suggests.
What Are the Biggest Signs My Home Needs Weatherization?
The most obvious sign is high energy bills that keep climbing year after year. If you’re paying more to heat and cool your home compared to similar houses, weatherization probably makes sense. Drafty rooms and cold floors in winter are another clear indicator.
Temperature inconsistencies throughout your home signal problems too. One room might be freezing while another gets too hot. This happens when insulation is missing or air leaks let conditioned air escape. Ice dams forming on your roof during winter show heat escaping through your attic.
Other warning signs include visible moisture or condensation problems. Musty smells from crawl spaces indicate poor ventilation and possible mold growth. Excessive dust and allergy symptoms can result from air leaks pulling in outdoor pollutants. Your HVAC system running constantly without achieving comfort is a major red flag.
How Long Does a Weatherization Project Take?
Most weatherization projects in Portland take one to three days to complete. Simple jobs like attic insulation can be finished in a single day. The crew arrives in the morning and wraps up by evening. Your daily routine isn’t disrupted much.
More complex projects involving multiple areas take longer. Complete whole-house weatherization including walls, attic, and crawl space might need two to five days. The timeline depends on your home’s size and the extent of work needed. Weather can affect outdoor work schedules too.
The best contractors provide clear timelines upfront. They schedule work to minimize disruption to your life. Most companies clean up thoroughly each day if the project spans multiple days. The actual installation is usually quick, but preparation and follow-up testing add time. Many homeowners are surprised how fast quality weatherization happens when done by experienced professionals.
