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A/C & Heat Pump Equipment ID (Mini Course)
(2.5 CEUs) Air conditioners and heat-pumps come in many designs and sizes. Slide show and handout explain how to identify A/C and heat pump equipment in buildings.
$65.00
Air Barrier Basics (Mini Course)
(1.5 CEU) Learn what materials are and aren't air barriers. Discover how to locate the air barrier’s air leaks and explore techniques to correct common air-barrier problems.
$40.00
Air Pressure and Flow (Mini Course)
(1.5 CEU) Air pressure and airflow in buildings affects indoor air quality and energy efficiency. Here we present physical principles of air pressure & airflow.
$25.00
Analyzing Consumption (Mini Course)
(1.5 CEU) You can learn a lot about a building by studying its energy bills. Learn to separate baseload energy consumption from seasonal energy consumption. Monthly baseload consumption stays nearly constant throughout the year. Seasonal energy consumption varies with the seasons.
$30.00
ASHRAE 62.2 Ventilation Standard (Mini Course)
(2.5 CEU) Most energy programs and building codes accept ASHRAE 62.2 as their ventilation standard. Learn what ASHRAE 62.2 requires and how to comply with its requirements.
$65.00
Attic Insulation Preparation (Mini Course)
(1.5 CEUs) This mini course explains how to prepare an attic before insulating it to avoid poor performance and safety hazards.
$40.00
Avoiding Jobsite Health Hazards (Mini Course)
(2.0 CEU) This mini course outlines the most dangerous biological and chemical hazards that we find in buildings and on job sites. We discuss the personal protective equipment (PPE), administrative changes, administrative changes, engineering controls, and hazard elimination to protect workers from respiratory, hearing, vision, and other hazards.
$55.00
Basic Mechanical Ventilation (Mini Course)
(2.0 CEU)  Most modern, airtight buildings use mechanical ventilation to exhaust polluted air and replace it with fresh air. This mini course explains how ventilation improves human health, building durability, and energy efficiency.
$50.00
Blower Door Test Preparation (Mini Course)
(1.0 CEU) Energy specialists must prepare the building envelope correctly to conduct accurate blower-door tests. This mini course outlines how to prepare the building to energy-industry measurement standards before testing.
$25.00
Blower Door Testing (Mini Course)
(3.0 CEU) In this mini course we describe the exact process of conducting a blower door test. Energy auditors and inspectors can set up blower door equipment in a variety of correct or incorrect ways. This lesson explains how to set up the blower-door-test equipment the right way. You’ll learn the following.
$125.00
Blower Door Testing Manometers (Mini Course)
(2.5 CEU) Building-energy specialists use manometers to measure building air-pressures and blower-door airflow. Your measurement’s accuracy depends how you set up and use the manometer. This lesson covers the most common manometer models and how they measure air leakage during the blower door test.
$50.00
Blower Door Theory (Mini Course)
(2.0 CEUs) Blower door tests are essential to building-energy audits. This mini course explains the science behind blower door tests and how we use test results to evaluate building airtightness.
$40.00
Combustion Safety (Mini Course)
(1.0 CEU) Improperly installed or unmaintained combustion appliances are serious health and safety hazards. This mini course explains the principles of combustion safety. Learn why combustion appliances are potential hazards and how to inspect them for combustion-safety problems.
$30.00
Combustion Safety Testing (Mini Course)
(2.5 CEU) Building-energy audits usually include combustion safety testing. Learn the principles and procedures of combustion-safety testing and how you can use the test results to decide how to service gas appliances.
$65.00
Combustion Venting Systems (Mini Course)
(2.5 CEU) Well-designed combustion venting is essential for occupant health, safety, and building durability. This mini course covers how combustion venting systems work and how they can fail.
$100.00
Construction Basics (Mini Course)
(2.5 CEU) This mini course graphically explains the process of building a single-family wood-frame home from the foundation all the way up to the roof.
$60.00
Cooling Principles (Mini Course)
(2.5 CEU)  Air conditioning is expensive and should be a major topic of energy retrofit to reduce AC costs. The course covers the basics of shading, reflectivity, shade trees, cool roofs, and cooling with fans,
$65.00
Cooling with Ventilation (Mini Course)

(1.5 CEU)   Fans create a wind chill effect indoors, and cool buildings with outdoor night air, if the air outdoors is cooler than the air indoors. Learn fan strategies for saving electricity.
$50.00
Crawl Space Issues (Mini Course)
(1.5 CEU) Crawl spaces cause many energy and moisture problems. This mini course explains how crawl spaces cause problems, and how to solve crawlspace problems.
$40.00
Densepack Wall Insulation Retrofit (Mini Course)
(2.0 CEU) Dense-pack wall insulation ensures that insulation fibers completely fill each wall cavity, to optimize R-value and prevent air circulation. Dense-pack wall insulation can dramatically improve comfort and save energy.
$60.00
Door Repair, Adjustment, and Weatherstrip (Mini Course)
(1.5 CEU) Repairing doors requires quite a bit of good judgement along with carpentry skills. You’ll learn about the most common problems with doors and how to fix them. We discuss the types of door weatherstrip and how to weatherstrip doors.
$35.00
Door Selection and Installation (Mini Course)
(1.5 CEU) Doors are a small but important part of a building envelope. Study how to select and install energy-efficient doors. Learn about door R-values and other features..
$35.00
Duct Air Sealing (Mini Course)
(1.5 CEU) This mini course discusses duct-leakage standards and duct-leakage measurement. You'll discover where to find the duct leaks and learn about  the methods and materials that duct sealers used to seal ducts.
$40.00
Duct-Blower Testing (Mini Course)
(2.0 CEU) This mini course discusses industry standards for duct-airtightness and how to interpret duct-blower test results. You’ll learn how to conduct the total duct-leakage test and the leakage-to-outdoors test.
$50.00
Duct Blower Theory (Mini Course)
(1.5 CEUs) Excessive duct leakage causes major energy and comfort problems in many buildings. This mini coursecovers why and how building-energy specialists test duct-system leakage.
$50.00
Duct Energy Efficiency (Mini Course)
(1.0  CEU) Inadequate duct airflow, duct air leakage, duct-induced building pressures, and lack of insulation waste energy. Discover how to fix duct problems in the right order to make ducts more energy efficient.
$35.00
Duct Insulation (Mini Course)
(1.0 CEU) Ducts located outside the conditioned space need duct insulation. This mini course covers how much insulation ducts need and how to install duct insulation.
$35.00
Electric Power and Energy (Mini Course)
(1.5 CEU) Learn about electricity, how it creates heat, how it powers and controls devices, and how we generate it. Slides, videos, and handouts.
$40.00
Energy Auditing (Mini Course)
(1.0 CEU) This lesson provides an outline of the energy audit, necessary inspections, diagnostic tests, customer relations, and the work order that the audit produces.
$25.00
Energy Calculations (Mini Course)
(2.0 CEU) Study a selection of examples of how we use math to make decisions during an energy audit. This topic is very important for certification exams.
$50.00
Evaluating HVAC Airflow (Mini Course)
(1.5 CEU) Learn how to evaluate an HVAC system’s airflow and to diagnose inadequate airflow. Study recommend solutions that improve HVAC airflow.
$40.00
Fibrous Insulation (Mini Course)
(1.5 CEUs) Fibrous insulation is the most economical as well as the most commonly used insulation. Study the different materials, products, and installation methods of fibrous insulation.
$40.00
Finding Major Air Leaks (Mini Course)

(2.0 CEUs) In many buildings, air leakage is one of the largest sources of heat loss and heat gain. This lesson illustrates common air-leak locations and sealing them.
$50.00
Foam Board Insulation (Mini Course)
(1.5 CEU) Different foam board products have different R-values and other characteristics. Find out how to identify foam board insulation, how to choose the right kind for your job, and how to install foam board.
$25.00
Gas Combustion Heating Overview (Mini Course)
(2.0 CEU) Most buildings in the US use gas combustion to provide space heating and water heating. This mini course discusses the different types of burners and venting systems. We explain the science of gas combustion and the major components of gas-combustion devices.
$50.00
Gas Furnace Efficiency Strategy (Mini Course)
(1.5 CEU) Gas furnaces come in a variety of designs and sizes, with efficiencies that range from 50% to more than 90%. This mini course discusses and illustrates the three main furnace types and the factors that affect their efficiency.
$40.00
Gas Heating Systems Identification (Mini Course)
(2.0 CEU) Learn how combustion appliances vent their combustion byproducts. Understand the difference between open-combustion and sealed-combustion appliances. Recognize the different types of gas-heating equipment and their comparative energy-efficiencies.
$60.00
Geometry (Mini Course)
(1.5 CEU) Buildings are composed of geometrical shapes. Refresh your memory about geometry, especially for determining areas and volumes.
$25.00
Heat Loss and Gain (Mini Course)
(2.0 CEU) Temperature and heat are some of the most important and misunderstood principles of building science. This course explains how temperature and heat flow affect building energy-performance and comfort.
$50.00
Heating and Cooling Introduction (Mini Course)
(1.0 CEU)  Occupants experience discomfort, sub-optimal health, and reduced productivity in buildings that don’t provide adequate comfort. This lesson covers how the thermal envelope, HVAC systems, and occupant behaviors affect the heating and cooling performance of buildings.
$35.00
HVAC Refrigeration (Mini Course)

(2.5 CEUs) Central air conditioners and heat pumps rely on the refrigeration cycle to provide heating and cooling. Explains simple language & diagrams.
$65.00
HVAC Retro-Commissioning (Mini Course)
(1.0 CEU)  Retro-commissioning evaluates the functioning of HVAC systems through measurement and adjustment. This lesson covers how to diagnose HVAC-system problems, find effective solutions to HVAC problems, and conduct post-improvement tests to measure your success. You’ll learn the following.
$30.00
HVAC Retrofit Efficiency Choices (Mini Course)
(1.5 CEUs) HVAC systems are expensive to replace. If we replace an existing system, we should make it the most efficient systems that the client or organization can afford. This mini course discusses how to make the best choices to either service the existing system or select and install the most efficient HVAC system the customer can afford.
$35.00
Improving HVAC Airflow (Mini Course)
(1.5 CEU) HVAC systems are only effective if they distribute the right amount of conditioning to building spaces. Forced-air HVAC systems are notorious for air-distribution problems. You’ll learn how static pressures, equipment maintenance, and duct design affect airflow into rooms. You’ll also learn methods to improve forced-air distribution and solve airflow problems.
$40.00
Indoor Air Pollutants (Mini Course)
(1.5 CEU) Learn about the most dangerous indoor air pollutants typically found in buildings. There are hundreds of different air pollutants, but we don’t have the time to study all of them. So here we focus on the air pollutants that cause poisoning, asthma, allergies, bronchitis, cancer, and other ailments in buildings.
$35.00
Infrared Scanning (Mini Course)
(1.5 CEU) This mini course will show you how to identify air leaks, missing insulation, and thermal bridging using IR scanner. An infrared “IR” scanner allows us to see heat transmission, thermal bridging and air leakage in buildings. We scan a building from the indoors or outdoors.
$40.00
Insulation Introduction (Mini Course)

(1.5 CEUs) Insulation resists heat gain and heat loss in buildings. This Insulation Introduction lesson covers the types of insulation you'll encounter in buildings.
$35.00
Insulation Performance Factors (Mini Course)

(1.5 CEUs) Insulation Performance Factors covers the most important issues when inspecting insulation and how to evaluate the performance of installed insulation.
$35.00
Introduction to Weatherization (Mini Course)
(1.0 CEUs) The Weatherization Assistance Program (WAP) is a federal program created in 1979. Since then, WAP has weatherized millions of homes.
$25.00
Lead Safety Overview (Mini Course)
(2.0 CEU) Renovators have a responsibility to prevent lead poisoning. By working lead-safe, you can control dust and prevent lead poisoning. For certification, you must know the EPA and HUD Rules. These rules set forth specific and performance-based requirements that you must mastered to achieve compliance on weatherization and renovation jobs.
$60.00
Lighting Introduction (Mini Course)
(1.5 CEU) Artificial lighting consumes a lot of electricity in buildings. This course covers the types of light sources and light fixtures; features and components of lighting devices; the characteristics of energy-efficient lighting.
$25.00
Low Energy Cooling (Mini Course)
(1.5 CEUs) Learn how to use low-energy cooling to minimize the amount of electricity that air conditioners consume. Strategies include cool roofs, window treatments, circulation fans, whole house fans, and evaporative coolers.
$40.00
Math Operations (Mini Course)
(1.5 CEU) Refresh your memory about how addition, subtraction, multiplication, and division work together to solve energy math problems.
$25.00
Mobile-Home Air Sealing and Duct Sealing (Mini Course)
(1.5 CEU) Find mobile-home air leaks  in predictable locations. Blower door testing helps workers to evaluate the existing air leakage and to plan the air-sealing work. Air sealing mobile homes is no more difficult than air sealing site-built homes and is often easier.
$25.00
Mobile-Home Construction (Mini Course)
(2.0 CEU) Workers assemble the home in the factory, starting from the steel trailer up through the roof. The construction sequence and methodology is quite different from the methodology of building a site-built home.
$40.00
Mobile-Home Floor Insulation (Mini Course)
(1.5 CEU) Insulators blow fiberglass insulation into the floor cavities, using a variety of methods. In this course, you’ll learn  how to insulate floors by drilling through the rim joist. and through openings underneath the floor.  
$35.00
Mobile-Home Roof Insulation (Mini Course)

(1.5 CEUs) Mobile homes have minimal amounts of roof insulation. There is usually room in the roof cavity to roughly double the insulation R-value.
$35.00
Mobile-Home Shading (Mini Course)
(1.5 CEU) Older mobile homes lack overhangs to shade windows and newer homes may have an overhang that provides little shade. The roof colors of mobile homes are often a dull grey or a dark color of shingles. These characteristics lead to excessive summer solar gain. This course discusses shading structures, solar screens, window films, blinds, and cool roofs.
$35.00
Mobile-Home Wall Insulation (Mini Course)
(1.5 CEU) Many weatherization agencies and private contractors insulate mobile home walls successfully. This course demonstrates two ways to insulate mobile home walls: stuffing batts into the walls using a batt stuffer, and blowing fiberglass wool into the walls, using a fill tube.
$35.00
Moisture Management (Mini Course)
(1.5 CEU) Moisture is most potent destructive force affecting buildings. Moisture affects human health and building durability. Learn how moisture moves through buildings in complex ways and how to control moisture.
$2,535.00
Moisture Theory (Mini Course)

(2.0 CEUs) Some airborne moisture prevents dryness in the mouth and sinuses. Too much airborne moisture causes building damage from condensation.
$50.00
Pressure Pan Testing (Mini Course)
(1.5 CEU) The pressure pan measures duct pressures during a blower door test. If you measure pressure with a pressure pan at a duct register during a blower door test, that indicates that outdoor air is leaking into or out of the ducts. Pressure-pan testing isn’t a quantitative measurement of duct leakage, but it does help you find duct leaks and to evaluate the relative amount of duct leakage.
$40.00
Professional Insulation Equipment (Mini Course)
(1.5 CEU) This Professional Insulation Equipment lesson presents the vehicles, machines, tools, and protective equipment used for installing insulation.
$35.00
Reducing Baseload Cost (Mini Course)

(2.5 CEUs) This mini course discusses a wide variety of baseload energy uses: hot water, lighting, refrigeration, and laundry. Home electronics and entertainment have grown to be a major electricity user over the past 25 years.
$60.00
Residential Refrigerators (Mini Course)
(1.0 CEU) Refrigerators and freezers use a lot of electricity. This course discusses when it makes economic sense to replace an old refrigerator. Older refrigerators can use four times more electricity than new energy-efficient models!
$25.00
Roof and Attic Ventilation (Mini Course)
(1.5 CEU) Most attics and roofs require ventilation to protect the roof from ice damming, moisture damage, and excessive summer heat. This course covers important ventilation strategies to keep roofs and attics dry and cool. You’ll learn about climate-specific ventilation issues and roof design features that eliminate problems.
$35.00
Simple Pressure Diagnostics (Mini Course)
(1.5 CEU) What we call “pressure diagnostics” is a group of tests and observations that help us diagnose and locate air leaks. We take measurements of pressure and airflow, during a blower door test, which help us determine which air barriers are leaky.
$40.00
Site Drainage for Buildings (Mini Course)
(1.0 CEU) Ground water is one of the main causes of moisture damage to buildings. Buildings that can’t direct ground water away from their foundations suffer moisture damage. This course covers landscapes and devices that keep ground water from wetting the foundation.
$25.00
Spray Foam Insulation (Mini Course)

(2.0 CEUs) Spray foam has its advantages its disadvantages. Learn about the most common spray-foam products and installation methods.
$60.00
Stopping Heat Gain (Mini Course)
(2.0 CEUs) The most effective cooling strategy stops heat before it enters the building. Learn how heat enters buildings and the best strategies to stop heat gain. You’ll learn to limit heat gain in buildings, including: solar heat, air leakage, internal heat gains, and heat transmission.
$60.00
Temperature and Heat (Mini Course)
(2.0 CEU)  Measure the temperature and the mass of a substance to calculate heat content. Learn about thermometers, latent heat, sensible heat, the greenhouse effect, and how heat is absorbed or released as matter changes its state.
$50.00
Unvented Roof Insulation (Mini Course)
(1.5 CEU) Ventilation air can flow below or above the roof deck, which affects insulation choices. Above-deck ventilation & unvented roofs have advantages over below-deck roof ventilation.
$35.00
Ventilation Systems Overview (Mini Course)

(2.0 CEUs) Without enough ventilation, buildings decay and occupants suffer respiratory problems. How do we implement a successful ventilation strategy? Find out with this mini course.
$50.00
Wall Insulation Materials (Mini Course)
(1.5 CEU) In most buildings, walls make up the largest surface area of the building envelope. Study a wide variety of fibrous and foam insulation materials, used for wall insulation, and learn how to select the right wall-insulation material.
$35.00
Water Heater Basics (Mini Course)
(2.5 CEU) This lesson covers the features of storage water heaters, along with some new water-heater designs. Explore water-heater types, their main components, and compare their efficiencies.
$65.00
Weatherization Assistant (WA) Software Intro (Mini Course)
(2.0 CEUs) The Weatherization Assistance Program requires energy auditors to use the Weatherization Assistant (WA) software or another software like it.
$50.00
Whole Building Ventilation Systems (Mini Course)
(1.5 CEU) Whole-building ventilation systems protect the entire building from excessive moisture and indoor air pollution. This course compares the main types of whole-building ventilation systems.
$35.00
Window and Door Installation (Mini Course)
(1.5 CEU) Learn about high-performance window and door installation techniques for different window frame types, wall details, and flashing requirements.
 

$55.00
Window Economics (Mini Course)
(1.5 CEU) Windows are difficult to measure, choose, buy, and install. This course presents the economic factors of making decisions about windows. We discuss incremental costs and four different ways of measuring cost-effectiveness of window decisions.
$25.00
Window Introduction (Mini Course)
(1.0 CEU) This course will give you an introduction to the window types and characteristics. Learn about high-performance windows and how to select windows.
$25.00
Window Performance Factors (Mini Course)
(1.5 CEU) Windows must meet certain performance factors to deliver acceptable comfort and energy efficiency. Learn to select the right windows based on the performance factors described in this course.
$335.00
Window Treatments (Mini Course)
(1.0 CEU) Learn how window treatments insulate windows in winter, block solar heat in summer, which improves building efficiency and occupant comfort.
$35.00
Worker Accident Prevention (Mini Course)
(2.5 CEU) This lesson outlines the most prevalent accidents, according to statistics, that workers face on the job. For each potential accident, we outline safe procedures for doing the job while avoiding accidents.
$65.00
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