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What is a Blower Door Test and Why Do Buildings and Homes in Sacramento Need Them? 

A blower door test is commonly done during a home energy audit. They're designed to help professionals understand the airtightness of your home. 

Why Does Air Tightness Matter?

Airtightness is important for several reasons. First and foremost, it can help you naturally reduce energy consumption to keep your home or building at a comfortable temperature. It can also help you avoid problems like uncomfortable, chilly drafts and condensation build-up, which can lead to mold and mildew. 

A blower door test may also be helpful in new construction where contractors and HVAC specialists are working to determine how much ventilation is needed in order to reach acceptable indoor air quality standards. 

How Does a Blower Door Test Work?

Simply put, a blower door is a large, powerful fan that fits into the frame of a door that leads to the outside. The fan sucks in air from inside the home and directs it outside, which in turn lowers air pressure inside. The outside air then seeps into the home through any cracks and openings, which allows HVAC professionals to understand how air tight the seal around the door is.  A smoke pencil can also be used to help further detect leaks. 

The blower door itself is made with a frame and a panel that slides to fit a variety of door sizes. The fan within it can be set to variable speeds. It also includes a pressure gauge that measures the differences in pressure both in the interior and exterior. A manometer measures the airflow. 

Furthermore, blower doors come in two varieties: calibrated and uncalibrated. An uncalibrated blower will only tell you if you have a leakage somewhere in your home, which is why we calibrate our blower door fan gauges to determine how much air is pulled out by the fan, and allows us to determine precisely where the leakage is and how much air is leaking.

Why Have a Blower Door Test Done?

You only have one chance to install your building envelope correctly. Once it's fitted with siding and shielding, going back to make changes is practically impossible. Although this is a vital part of the home construction process, being sloppy about having professional energy audits done and air-tightness checked can have a domino effect on the rest of the home, leading to moisture buildup, which in turn causes mold and mildew to grow, and can lead to poor indoor air quality and health problems for the inhabitants. 

You may not think that proper exterior building enclosure would matter much to our overall health and wellness, but even small gaps and cracks in not just doors and windows, but also in other surrounding connectors can allow dust and pollen to get in, and even provide an easy avenue for insects and other pests to get inside and even build nests, compounding the problem. In addition, because the weather in our area can differ from one day to the next, you may find some rooms colder and drier in the winter, and hotter and stickier in the summer. Even when rooms are dry in the winter, the probability for cold and flu viruses to spread becomes higher. 

How Can Poppy Energy Help?

Whether you're building a residential, commercial or multi-family residence or you're doing restoration or retrofitting, having a professional HVAC company to conduct your blower door test, as well as examine it for proper duct and enclosure sealing is paramount.  A blower door test can ensure that the airtightness of the construction has been done properly on a project. 

In short, measuring airflow and checking for airtightness with a blower door test is a lot like adding water to a leaky bucket. Our tools and expertise allow us to know how much water we're putting in, and how to keep the level of water in the bucket consistent throughout the test. This also allows us to determine the rate at which the water is leaking out. It's a simplified example, but it explains the process well.

Keep in mind that if you can't measure it, you can't improve it, which is why residents, contractors and builders alike trust Poppy Energy to help them with their energy audit needs. To learn more about our comprehensive services or to schedule a blower door test or other type of air tightness test for your home, business or other building, contact us today at (916) 306-5535 or fill out the form on our website. We'll work with you to determine a convenient time to conduct the test and get you the results in a timely manner.

We're proud to follow all local and national health and safety regulations to protect all parties involved at all times, so you can be confident that you're hiring a professional team to get the job done right. Don't leave air quality to chance. Contact the experts at Poppy Energy today!

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Why Us

  • Free Consultation and Quotes Comprehensive, straightforward estimates
  • Competitive Pricing We will compete for your business
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  • Quality Inspections We love great work and want you to benefit from it
  • Top Tier Service Detailed cleanup and dependable follow-through
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Happy Customers

Igor S., Home BuilderAntelope, CA (yelp)
What a great experience!
WOW, I got my compliance report within 2 days with an explanation of the important parts of the report and how it affects my new house. Since this report was registered, I submitted the Title 24 report and my plans with Sacramento County. No issues there. Paul also stated that they offer QII (Quality Insulation Inspection) that was needed right after the rough in stage stage. Lana came out and did an awesome job with the inspection and made a correction notice for the insulation company to return and fix part of the insulation. Had a very positive experience and would highly recommend Poppy Energy for your new house, ADU or addition.
Grace K., Residential Home OwnerGranite Bay, CA
I would recommend Poppy Energy any day to anyone
I would recommend Poppy Energy any day to anyone. Professionals at Poppy Energy are about the best hands to work on my home. After a proper diagnosis, Lana carried me along every step of the way and my duct leakage test was carried within a few days. Now I can properly conserve energy for my home.
Oliver B., Project ManagerSacramento, CA
Poppy Energy Delivered Fast
Time was running out and the building project was far behind schedule. Poppy Energy put together my Title 24 Compliance Report in a few days and it got approved without any delays. They are very detailed, efficient, and professional. They deliver on their promise and I definitely look forward to working with Poppy Energy on future projects.
Justina. B., Home OwnerRoseville, CA
Knowledgeable, Courteous and Helpful
Lana performed the inspection for the new AC Unit for my home. She was knowledgeable, courteous and helpful. She was professional and properly geared; I felt comfortable having her in our home. She took time out to explain the settings and made recommendations on efficient HVAC usages. Delivery was excellent and timely. I would definitely recommend Poppy Energy to anyone.
Lois S., Home OwnerFolsom, CA
Very friendly staff and excellent delivery
Very friendly staff and excellent delivery right on time and at a fair price. Paul was kind enough to walk me through the HERS test process and never got tired of my many questions. After booking an appointment, I got the HERS testing done for my new house in about 1 hour. Keep up the good work!
Antonio D., Project ManagerSacramento, CA
The team outmatched my expectations
I contacted Poppy Energy on the recommendation of a previous client. After several issues with other HERS raters, I was a bit skeptical but working Poppy Energy changed my perspective. The team outmatched my expectations. The HVAC Unit for the building was inspected and Quality Insulation Inspection done within time and budget.
Christopher K., New Construction DeveloperSacramento, CA
At Poppy Energy, every customer counts
I switched to Poppy Energy about three months ago and I must commend the outstanding staff and quality service I’ve received in such a short while for our projects. At Poppy Energy, every customer counts.
Jonathan M., Real Estate AgentCitrus Heights, CA
Keeping customers satisfied at affordable prices
Lana came in to run a full HERS test inspection on the HVAC system in a home. I must say the Poppy energy team are not just great HVAC specialists but are also experts are keeping customers satisfied at affordable prices
Eva T., Home OwnerNorth Highlands, CA
I’m 100% satisfied
Poppy Energy definitely gets my top rating. In preparation for spring, I booked an appointment to check our ducts for any leaks. The team came over to my house after an appointment and did any incredible job with our duct testing. They also guided me and gave me tips and tricks on future energy enhancements. I’m 100% satisfied
Maris S., Residential Home OwnerNew Castle, CA
Honest, transparent and professional!
The entire airflow system of my 30-year home was overhauled and needed to certify the job. Poppy energy had recently done the same for a friend so I contacted them. From the first conversation to final inspection, I love the fact that there was a system of adequate feedback every step of the way. Honest, transparent and professional!
Duke G., Home OwnerFair Oaks, CA
Kudos to a great team
I knew absolutely nothing about the process of getting a Title 24 report compliance report for my building addition, plus I am not so tech savvy but a phone call with Paul put my mind at rest. He was friendly, attentive and quick to explain the process to me. He was just a call away if I had any questions. My report was completed in a few days. Thank you Paul, you are the best! Kudos to a great team and a job done well and on time.
Janet J., Project ManagerRoseville, CA
Highly Impressed
Absolutely the best technical company I have ever experienced! I often do not give reviews but I am highly impressed. I had to reschedule the appointment on such a very short notice but the team was willing to oblige me and even tried to fit in to my schedule
Francis B., Residential Home OwnerRancho Cordova, CA
Made a New Friend
I’m amazed at how quick and smooth the whole process went. My AC was replaced and needed a quality inspection, so I placed a call. Lana showed up at our door about an hour later, discovered the challenge and had it fixed in no time. I enjoyed a great conversation and made a new friend. Poppy energy came highly recommended from a neighbor. I’ll do well to pass on the recommendation as well.
Loretta M., Home OwnerGold River, CA
Showed up within 2 hours
I just had my baby a few weeks back and then my AC unit picked the worst time to fail. After a full HVAC replacement, we needed a full duct test and refrigerant test. I’m especially thankful for the prompt response on a week day though it came in as an emergency. The technician showed up within 2 hours after and did the duct test and refrigerant check in about an hour. Thank you again Lana!
Jamie T., BuilderWest Sacramento, CA
Excellent value for your money
After incurring more financial costs from several retests, Poppy Energy came through and helped us achieve an energy-efficient building at a relatively affordable cost. Poppy energy helped to carry out a Blower’s door tests for one of the building projects I worked on recently. I look forward to working on more projects with them and I will definitely recommend them to others. You are sure to get excellent value for your money.
Reed C., Project ManagerEl Dorado, CA
Keep up the good work!
Paul from Poppy Energy came to do a routine maintenance check on the heat system and AC system of some service apartments. He not only did an excellent job but also recommended additional ways of extending the life of the HVAC equipment. This advice showed he had our best interest at heart. Keep up the good work!
Patricia H., Home OwnerFolsom, CA
Best HERS raters
They are thus far, the best HERS raters I’ve worked with on any building. After the HVAC was fully installed in the building, the HERS Rater by the name Lana did a thorough job checking through air leakages, improper insulation, energy efficiency and other criteria. The house is declared fit just in time for my parents to move in. A great deal of professionalism and courtesy displayed.
Collins O., BuilderCarmichael, CA
Game-changer
I’ve been a customer at Poppy Energy for 6 months now. It’s been quite difficult finding a good HVAC HERS and Duct testing company that I could always count on to deliver all the time. I want to say a huge thank you to the team at Poppy Energy, for being consistent, awesome, dedicated and extremely diligent at their craft. Your excellent and timely service is a game-changer
Sonia, P., Project ManagerLoomis, CA
Efficient, Very Thorough and Professional
I moved in newly to California about half a year back and starting a new building project that required that I carried out a Quality Insulation inspection. I found Poppy Energy as a certified HERS Rater on the CalCert website and booked an appointment with them. They were efficient, very thorough and professional. I will not be using any other HERS Rater any time soon and I will definitely tell my developer friends about Poppy Energy
John M., Home OwnerAntelope, CA
Very Good at What They Do
I’ve used Poppy Energy for my Duct test to my HERS testing to fix an air flow leakage challenge once I found out it was much colder in the attic than inside my home when the AC was on. I must say without bias that they are very good at what they do. The company is great and its employees are always courteous, always willing to help. Thus far, I’ve not had any challenge with their work. Their response time is great and the pricing quite fair. The technicians always take time to troubleshoot, and also explain the cause of repair if need be. I’ll highly recommend them.
Timothy R., BuilderRocklin, CA
Huge Thumbs Up For Poppy Energy
The personnel who came in to carry out the pressure test on my new forced air heating system duly observed strict Covid protocols. He was very efficient, has a sound knowledge of his craft and also very reassuring. A very huge thumb up for Poppy Energy! You are the best.
Steve K., First Home BuilderPenryn, CA
Definitely Recommend
HERS Testing, Title 24 compliance, & CF1R reports all sound like a foreign language to me but this group seems to know their stuff. They don’t seem to mind taking their time to walk you through things and they always seemed to be available when I needed them. I would definitely recommend them without question. Thanks for your help guys. I appreciate it.
Cleveland R., HomeownerAuburn, CA
A++++ service
I couldn’t be happier with the service I received from them. They made sure to complete the duct leakage test quickly and what seemed to be very efficient. I feel a lot better knowing that everything has been brought up to the level it should be. When it comes to peace of mind the cost is priceless. A++++ service.
Robert S., First Home BuilderLoomis, CA
Big Thanks From Me
When dealing with new construction make sure everything is being inspected properly. When I called Poppy Energy, they made sure I understood all the details of what needed to be tested and make sure everything in the house was compliant. I can’t imagine the nightmares that could have happened if they weren’t there to make sure my house was safe, sound, and working properly. They get a big thanks from me.
Kyle B., Home BuyerFolsom, CA
Save You Money in the Long Run
When you buy an older house there are always unforeseen problems. Having this 1960’s ranch house had a lot more issues than you would think for a house that isn’t nearly as old as my grandparents. But when you fall in love with the house you gotta be careful of all the little missteps. Having a quality insulation inspection is paramount to find out where and how warm air or cool air are leaking out of your house. Do yourself a favor and make an appointment sooner than later. It will save you more money in the long run.
Licensed & Insured CalCERTS CertificationContact UsCall (916) 306-5535Text (916) 306-5170[email protected]Citrus Heights, CA 95621

Why Us

  • Free consultation and Quotes
  • Competitive Pricing
  • Certified Industry Expert
  • Quality Inspections
  • Top Tier Service
  • Local, Woman Owned Company

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