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  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon76
    Verified energy efficiency auditing services reviews

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Avatar for HomeRx

HomeRx

4.62(
74
)
Approved Pro

HomeRx

4.62(
74
)
Approved Pro
Super Service Award
Customers say: Quality work
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
2013 years of experience

HomeRx is an affordable, family-owned, full-service insulation and energy audit company. We offer a wide range of weatherization services that will fit your needs and budget. We work with Energy Trust of Oregon, Clark Public Utilities, and other regional utility programs to help you take advantage of incentives that lower your costs. Whenever possible, we apply those incentives at the time of purchase and take ownership of the paperwork and waiting involved with reimbursements. Plus, we provide any documentation you need to claim additional state and federal tax credits that further offset the cost of the project. Our installation crews are skillfully qualified with multiple weatherization and safety certifications. Call today and schedule a free home assessment by one of our energy experts and receive an itemized bid focusing on lowering energy costs and improving overall home comfort. Affordable, Professional, Experienced, and Performance you can trust. Thank you for your interest.

"HomeRx’s sales rep, Bryant, came to assess the attic and crawl space in an older home I purchased. His kind, calm manner of explaining what I needed and how HomeRx would remediate it was reassuring. He told me HomeRx and Energy Trust of Oregon are in a partnership. When I learned I qualified for an ETO rebate, it was so much more generous than I’d expected! HomeRx’s expertise, along with their care, flowed from beginning to end. When I called/visited the office, I felt truly valued as a customer. Alma, Taylor, Samual, Jennifer, Kimberly, and Adan each explained what I needed to know from their unique area of expertise! If there was a glitch, it was fixed to their standards. When I met Jose, HomeRx president, I felt his leadership had a genuinely heartfelt foundation, whether it was in his care for me, his customer, or in his manner of relating with his HomeRx’s teams. I highly recommend HomeRx for any service they offer that meets your needs. You can’t go wrong. "

Gaylie C on July 2025

HomeRx is an affordable, family-owned, full-service insulation and energy audit company. We offer a wide range of weatherization services that will fit your needs and budget. We work with Energy Trust of Oregon, Clark Public Utilities, and other regional utility programs to help you take advantage of incentives that lower your costs. Whenever possible, we apply those incentives at the time of purchase and take ownership of the paperwork and waiting involved with reimbursements. Plus, we provide any documentation you need to claim additional state and federal tax credits that further offset the cost of the project. Our installation crews are skillfully qualified with multiple weatherization and safety certifications. Call today and schedule a free home assessment by one of our energy experts and receive an itemized bid focusing on lowering energy costs and improving overall home comfort. Affordable, Professional, Experienced, and Performance you can trust. Thank you for your interest.

"HomeRx’s sales rep, Bryant, came to assess the attic and crawl space in an older home I purchased. His kind, calm manner of explaining what I needed and how HomeRx would remediate it was reassuring. He told me HomeRx and Energy Trust of Oregon are in a partnership. When I learned I qualified for an ETO rebate, it was so much more generous than I’d expected! HomeRx’s expertise, along with their care, flowed from beginning to end. When I called/visited the office, I felt truly valued as a customer. Alma, Taylor, Samual, Jennifer, Kimberly, and Adan each explained what I needed to know from their unique area of expertise! If there was a glitch, it was fixed to their standards. When I met Jose, HomeRx president, I felt his leadership had a genuinely heartfelt foundation, whether it was in his care for me, his customer, or in his manner of relating with his HomeRx’s teams. I highly recommend HomeRx for any service they offer that meets your needs. You can’t go wrong. "

Gaylie C on July 2025


Avatar for Bull Mountain Heating AC & Insulation

Bull Mountain Heating AC & Insulation

4.88(
297
)

Bull Mountain Heating AC & Insulation

4.88(
297
)
Customers say: Super punctual
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers

Bull Mountain Heating, AC & Insulation is a family owned and operated, full service home performance company working to help clients become more energy efficient. We install, service and maintenance heating and cooling systems of all kinds, makes and models. For residential homes we also have a full insulation division that installs wall, crawlspace and attic materials.

"Truly excellent. Installation of Lennox AC unit. And humidifier. We joined their service club for twice annual maintenance visit. They are very with it. They know your system when you call, and as a service member, you get quick response service. They confirm appointments by text, text you when they are coming and about to arrive. And you cab track the driver. Always knowledgeable service pros when on site with clear explanations of what happened. Pricing seems very good too. I wish all vendors were like this. 5 stars for sure."

Alex M on June 2021

Bull Mountain Heating, AC & Insulation is a family owned and operated, full service home performance company working to help clients become more energy efficient. We install, service and maintenance heating and cooling systems of all kinds, makes and models. For residential homes we also have a full insulation division that installs wall, crawlspace and attic materials.

"Truly excellent. Installation of Lennox AC unit. And humidifier. We joined their service club for twice annual maintenance visit. They are very with it. They know your system when you call, and as a service member, you get quick response service. They confirm appointments by text, text you when they are coming and about to arrive. And you cab track the driver. Always knowledgeable service pros when on site with clear explanations of what happened. Pricing seems very good too. I wish all vendors were like this. 5 stars for sure."

Alex M on June 2021


Avatar for Entek Corporation

Entek Corporation

4.88(
151
)

Entek Corporation

4.88(
151
)
Customers say: Super punctual
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers

Entek Corporation is a locally-owned and operated HVAC company serving SW Washington and the greater Portland area since 1946. We have offices in Longview and Vancouver WA. We provide superior heating, cooling and air quality solutions for home, business, and industry. As Carrier's longest-serving installer in the Northwest, we offer rebates, incentives, and financing as well as a list of eligible tax credits. We never charge to inspect or provide an estimate for new equipment, duct cleaning, duct sealing or home electrical work. *Call us for details. LICENSED, BONDED AND INSURED. 24/7 Service. Guaranteed.

"Scheduling an appointment was easy. Sean came out to check our recently purchased home's heat/cooling system and provided options/recommendations for consideration. He was very knowledgeable and friendly. Highly recommend."

Gabrielle J on May 2022

Entek Corporation is a locally-owned and operated HVAC company serving SW Washington and the greater Portland area since 1946. We have offices in Longview and Vancouver WA. We provide superior heating, cooling and air quality solutions for home, business, and industry. As Carrier's longest-serving installer in the Northwest, we offer rebates, incentives, and financing as well as a list of eligible tax credits. We never charge to inspect or provide an estimate for new equipment, duct cleaning, duct sealing or home electrical work. *Call us for details. LICENSED, BONDED AND INSURED. 24/7 Service. Guaranteed.

"Scheduling an appointment was easy. Sean came out to check our recently purchased home's heat/cooling system and provided options/recommendations for consideration. He was very knowledgeable and friendly. Highly recommend."

Gabrielle J on May 2022


Blairco Inc

4.91(
87
)

Blairco Inc

4.91(
87
)
Customers say: Super punctual
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers

Locally Owned & Operated since 1987. Let Blairco help find your comfort zone. You'll LOVE our 5 star service! We service and maintain all makes and models. We are a Carrier factory authorized dealer. Award winning. Additional email - [email protected]. Find out why our customers love us, read our reviews.

"We replaced our old furnace with a new high efficiency furnace. Shawn came out and helped us figure what to get and gave us 4 options and estimates for each. We chose the third estimate. We set up the appointment, and set the date. Two men came to our home and did the job of removing our old furnace and AC and installing our new ones. It took 2 1/2 days to do the job and it turned out wonderful. The men were great to work with and did a terrific job. They were very polite and fun and answered all our questions. We have used Blairco for about 30+ years, and they come twice every year and do maintenance on our furnace and AC."

Richard D on April 2024

Locally Owned & Operated since 1987. Let Blairco help find your comfort zone. You'll LOVE our 5 star service! We service and maintain all makes and models. We are a Carrier factory authorized dealer. Award winning. Additional email - [email protected]. Find out why our customers love us, read our reviews.

"We replaced our old furnace with a new high efficiency furnace. Shawn came out and helped us figure what to get and gave us 4 options and estimates for each. We chose the third estimate. We set up the appointment, and set the date. Two men came to our home and did the job of removing our old furnace and AC and installing our new ones. It took 2 1/2 days to do the job and it turned out wonderful. The men were great to work with and did a terrific job. They were very polite and fun and answered all our questions. We have used Blairco for about 30+ years, and they come twice every year and do maintenance on our furnace and AC."

Richard D on April 2024


Avatar for Affordable Home Remodeling

Affordable Home Remodeling

4.81(
178
)

Affordable Home Remodeling

4.81(
178
)
Customers say: Super punctual
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers

Based in Gresham & Tigard, OR. Service entire PDX Metro. Affordable Home Remodeling specializes in custom replacement window, door, and siding installation. We have our own installation crew of respectful, hard workers. We ask for 40% down payment when a contract is signed and the balance due upon completion of the job. Ask about Angie's List discount. Give us a call for a free estimate! Energy Trust Trade Ally. Award winning.

"Had Affordable Home Remodeling replace several old aluminum windows around our house with modern storm windows. Very knowledgable, and compared to other bids, the price was reasonable. A big plus is they help you with your Oregon energy rebates. Job itself took an extra day due to one supply issues, but not a big deal."

Joseph L on December 2021

Based in Gresham & Tigard, OR. Service entire PDX Metro. Affordable Home Remodeling specializes in custom replacement window, door, and siding installation. We have our own installation crew of respectful, hard workers. We ask for 40% down payment when a contract is signed and the balance due upon completion of the job. Ask about Angie's List discount. Give us a call for a free estimate! Energy Trust Trade Ally. Award winning.

"Had Affordable Home Remodeling replace several old aluminum windows around our house with modern storm windows. Very knowledgable, and compared to other bids, the price was reasonable. A big plus is they help you with your Oregon energy rebates. Job itself took an extra day due to one supply issues, but not a big deal."

Joseph L on December 2021


Avatar for Air Stars Heating & Cooling

Air Stars Heating & Cooling

4.95(
61
)

Air Stars Heating & Cooling

4.95(
61
)
Customers say: Super punctual
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers

Air Stars Heating & Cooling is a provider of home heating and cooling systems. Our focus is to help customers achieve a maximum comfort level, while minimizing energy usage. Our Mission is to be at the forefront of the HVAC industry by continually implementing new ideas and products, and by keeping our employees up to date with continued education and training. By this, we will maintain sustainability, and be able to continue serving our valued customers for many years to come. We offer a 100% Satisfaction Guarantee, extended warranties, and financing is available. Our regular business hours are Mon. through Fri. from 7:00 AM to 5:00 PM, with 24/7/365 emergency service.

"great job got us going"

james i on May 2019

Air Stars Heating & Cooling is a provider of home heating and cooling systems. Our focus is to help customers achieve a maximum comfort level, while minimizing energy usage. Our Mission is to be at the forefront of the HVAC industry by continually implementing new ideas and products, and by keeping our employees up to date with continued education and training. By this, we will maintain sustainability, and be able to continue serving our valued customers for many years to come. We offer a 100% Satisfaction Guarantee, extended warranties, and financing is available. Our regular business hours are Mon. through Fri. from 7:00 AM to 5:00 PM, with 24/7/365 emergency service.

"great job got us going"

james i on May 2019


Avatar for Environmental Works LLC

Environmental Works LLC

4.61(
67
)

Environmental Works LLC

4.61(
67
)
Customers say: Quality work
2008 years of experience

We're innovative, hard working and we get the job done right from the science to the site. From our administration team, to the project managers and field crews, our employees are highly skilled and thoroughly trained professionals. We specialize in air quality testing and mitigation (Radon), underground tank decommissioning, sewer inspection & repair, plumbing services, directional drilling, environmental site assessments and environmental restoration.

"I hired Environmental Works on the recommendation of a co-worker. Not only was it the least expensive of the three bids I received but it was also the only company that offered a lifetime guarantee on its work. The entire installation of a radon mitigation system in my home took less than six hours. The company guarantees that its radon mitigation system can keep radon levels below 2.7 pCi/L. A three-month radon monitoring test, completed ten months after the installation of my mitigation system, indicated radon levels at 1.4 pCi/L. I am very pleased with the work that was performed at my home."

Ken R on March 2020

We're innovative, hard working and we get the job done right from the science to the site. From our administration team, to the project managers and field crews, our employees are highly skilled and thoroughly trained professionals. We specialize in air quality testing and mitigation (Radon), underground tank decommissioning, sewer inspection & repair, plumbing services, directional drilling, environmental site assessments and environmental restoration.

"I hired Environmental Works on the recommendation of a co-worker. Not only was it the least expensive of the three bids I received but it was also the only company that offered a lifetime guarantee on its work. The entire installation of a radon mitigation system in my home took less than six hours. The company guarantees that its radon mitigation system can keep radon levels below 2.7 pCi/L. A three-month radon monitoring test, completed ten months after the installation of my mitigation system, indicated radon levels at 1.4 pCi/L. I am very pleased with the work that was performed at my home."

Ken R on March 2020



Robben & Sons Heating Inc

4.40(
114
)

Robben & Sons Heating Inc

4.40(
114
)
Customers say: Super punctual
1932 years of experience

Heating and cooling company providing a wide range of services, repairs, and relacement equipment options. Energy Star products available. Financing available, family owned & operated. Additional phone - (360) 695-0789. Additional fax - (312) 505-5050. Additional email - [email protected]. Additional contact name - Mark. Serving residential and light commercial needs since 1932. OR CCB# 1884. Please note: "24 Hour On-Call Service" is available.

"Associate who came out was very professional and thorough - no complaints there. The D rating is solely for the price we were charged for a simple service call where the situation was only assessed but absolutely nothing was repaired or done to the water heater. This visit cost us $109.00 for the trip charge and another $196.88 for looking at the heater for a grand total of $305.88 which seems excessive for a visit without any repair being done. Will consider very carefully whether to hire this company for a suggested heater replacement because I am not sure I will be be charged a fair price for the work."

CATHERINE W on October 2019

Heating and cooling company providing a wide range of services, repairs, and relacement equipment options. Energy Star products available. Financing available, family owned & operated. Additional phone - (360) 695-0789. Additional fax - (312) 505-5050. Additional email - [email protected]. Additional contact name - Mark. Serving residential and light commercial needs since 1932. OR CCB# 1884. Please note: "24 Hour On-Call Service" is available.

"Associate who came out was very professional and thorough - no complaints there. The D rating is solely for the price we were charged for a simple service call where the situation was only assessed but absolutely nothing was repaired or done to the water heater. This visit cost us $109.00 for the trip charge and another $196.88 for looking at the heater for a grand total of $305.88 which seems excessive for a visit without any repair being done. Will consider very carefully whether to hire this company for a suggested heater replacement because I am not sure I will be be charged a fair price for the work."

CATHERINE W on October 2019


Avatar for GreenSavers

GreenSavers

4.61(
28
)

GreenSavers

4.61(
28
)
Customers say: Super punctual
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers

Founded in 2007, GreenSavers is a mission-driven contractor committed to helping people save energy. Start with a home energy audit or consultation for efficient HVAC, insulation, or Milgard windows. GreenSavers stands out as a Certified B Corporation™ and multi-year winner of the U.S. DOE’s ENERGY STAR® Contractor of the Year Award.

"I can't think of any negatives to include on this review. We had used Greensavers once before for blown-in wall insulation on our cedar-sided craftsman house and so included them in our search for a replacement for our approx 30y/o furnace. The were competitive on the bid and were knowledgeable in going whole-house with a ducted heat pump. They had great communication and were upfront about how long it would take to schedule us in (equipment delays) and they kept to that schedule. Their crew was one of the best we have worked with especially Charlie the project manager and their install lead, Javier. The system is very quiet (Mitsubishi) and we love the more constant temperature it maintains in our house. We also were interested in better air filtration and followed their recommendation to upgrade to a electrostatic filter. I would not hesitate to recommend them highly for any heat pump installation."

Bert S on April 2022

Founded in 2007, GreenSavers is a mission-driven contractor committed to helping people save energy. Start with a home energy audit or consultation for efficient HVAC, insulation, or Milgard windows. GreenSavers stands out as a Certified B Corporation™ and multi-year winner of the U.S. DOE’s ENERGY STAR® Contractor of the Year Award.

"I can't think of any negatives to include on this review. We had used Greensavers once before for blown-in wall insulation on our cedar-sided craftsman house and so included them in our search for a replacement for our approx 30y/o furnace. The were competitive on the bid and were knowledgeable in going whole-house with a ducted heat pump. They had great communication and were upfront about how long it would take to schedule us in (equipment delays) and they kept to that schedule. Their crew was one of the best we have worked with especially Charlie the project manager and their install lead, Javier. The system is very quiet (Mitsubishi) and we love the more constant temperature it maintains in our house. We also were interested in better air filtration and followed their recommendation to upgrade to a electrostatic filter. I would not hesitate to recommend them highly for any heat pump installation."

Bert S on April 2022

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Energy Efficiency Auditing questions, answered by experts

The answer is a resounding yes, as dishwashers save significant water and energy compared to washing dishes by hand. The difference is so drastic in fact that those who use energy-efficient dishwashers can expect savings of over $450 per year. This is because dishwashers use less water, they wash at a higher temperature than a hand rinse, and you don’t need to rinse them after washing. New dishwashers use around 4 gallons per load, whereas washing by hand can use up to 2 gallons per minute.

A blower door test shouldn’t take more than an hour, and most can be completed in less than 30 minutes. Expect the test to take longer once you start searching for leaks with thermal imaging or want to include sealing such leaks in the time estimate. The test doesn’t take much time and can’t be rushed, but it will take longer in large homes or those with many air leaks.

There are a couple of ways you can save on the cost of your home energy audit. First, find out if you qualify for programs like the Department of Energy’s Weatherization Assistance Program for low-income households. Next, check with your local utility company to find out if you qualify for any local rebate programs to offset the cost of this helpful service.

There is no blanket figure for a residential home’s electrical load, since load varies by the size of the home, how many appliances are used, and the efficiency of their electrical systems. Typically, however, it’s safe to assume 40 to 60 amps is the average electrical load of a residential home. 

Blower door tests are measured in a few different ways, but the most popular are air changes per hour (ACH) and cubic feet of air (CFM) moving through the house per hour. A good ACH score is less than 2ACH, but 1ACH is better. This means the house experiences a total air change within 60 minutes (for 1ACH). For 2ACH, there’s a complete change every 30 minutes, and so on. CFM scores are similar in that a lower score means less air change, and therefore less leakage.

The Estacada, OR homeowners’ guide to energy efficiency auditing services

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