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Healthy Homes, Healthy People. Healthy Living for both you and your home. Your House. Think of your home as a living organism It is a system, interdependent on itself Much like your body, if one system is in distress it affects your whole body. Exterior of Home. Do an exterior check

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Healthy homes healthy people

Healthy Homes, Healthy People

Healthy Living for both you and your home


Your house

Your House

Think of your home as a living organism

It is a system, interdependent on itself

Much like your body, if one system is in distress it affects your whole body


Exterior of home

Exterior of Home

  • Do an exterior check

    • May clue you into potential problems inside

  • Gutters in place? Broken? Missing?

  • Holes and grading

    near foundation?

  • Cracks in foundation?

  • Is a swale needed?


Exterior of house

Exterior of House

  • Trim vegetation from touching home

  • Check for pest entry (critters, termites)

  • Clean window wells, use covers

  • Landscaping blocking flow of water?

  • Attached garage?

    • Chemical fumes

    • Don’t let car idle ~ 7,000ppm startup


Question

Question?

  • Who thinks they have a clean home?

  • What does clean mean?

  • What about

    • Allergies

    • Asthma

    • Hypersensitivities?

      40-50 million people

      affected by allergies


Have you thought of

Have you thought of…

  • Pollen

  • Mold spores

  • Bacteria

  • Pet dander

  • Insect parts, poop

  • Skin cells

  • Fabric fibers

    • Carpets, dryer lint

  • Soot

  • Tire particles

  • Off gassing

  • Gas fumes (garage)

  • Fragrances (VOCs)

  • Dryer sheets

  • Candles

  • Enviro Tobacco Smoke

  • Rodents & droppings

  • Feather parts

  • Food crumbs

  • Dust mites

  • Litter boxes

  • Plants


Keep in mind

Keep in Mind…

  • Check

    • For CO detectors and fire detectors

    • For exterior vented exhaust fans

    • Furnace filters

    • Air exchangers

    • Floor vents, duct work

    • Vent pipes (sewer, sump, furnace)

    • For pests

  • Analyze housekeeping

  • ETS


Where we are comfortable

Where we are comfortable…

  • Air temperature

    • 65 F (active) to 80 F (bathing)

  • Air relative humidity:

    • 30-60% (cold climates)

  • Air motion: 20–40 feet per min

  • Surrounding surface temperatures

    • Within 10-15 F of room temperature


How much a ir delivered how

How much air? – Delivered how?

How moves air through buildings?

WIND DIRECTION

Exhaust Fan

Wind

Mechanical Fans

Buoyancy

Stack effect - warm air rising


Healthy homes healthy people

Positive and Negative Pressures

Wind Effect

Stack Effect

Neutral pressure plane


Ashrae 62 2 2010

ASHRAE 62.2-2010

A Wisconsin pilot study conducted in 2004 found that 78% of weatherized units required additional mechanical ventilation under 62.2

Average installed cost, including controls: $525 (2004-2005 prices)

www.ashrae.org


Healthy homes healthy people

ASHRAE 62.2-2010 Table

Table 4.1a: Minimum Ventilation Air Requirements, CFM, New Buildings1

45

1 ASHRAE 62.2-2010, p 4


Healthy homes healthy people

Base Formula Calculation

Base formula, step by step

Multiply the number of bedrooms + 1 or the number of people by 7.5 CFM per person

Calculate 1 CFM per 100 square feet of floor area:

Add them together

4 people * 7.5 CFM/person = 30 CFM

1500 ft2/100 ft2 per required CFM = 15 CFM

30 CFM + 15 CFM = 45 CFM continuous


Air exchangers

Air Exchangers

Graphic courtesy of Popular Mechanics

Photo courtesy of The US Department of Energy


Mechanical ventilation

Mechanical Ventilation

Bath

Kitchen

Dryer

Vented to exterior???


Complaint of odors

Complaint of odors

Check for fragrance emitters

Candles (ghosting)

Overuse of dryer sheets

Chemicals inside

Off-gassing materials

Wet insulation

Musty

Gas – sewer

Smokers?


Remodeling odd finds

Remodeling…odd finds

Unused sewer line


Carpet

Carpet

  • Fiber jungles

    • Mites, mold, bacteria, carpet beetles

  • Dirty - Vacuums are “mental feel good” machines

  • Each step can emit 1,000s of irritants

  • Carpet cleaning may worsen issue

    • Wet too long, assists mold growth

  • What about below carpet?

  • Never put carpet on cement


Push for hard floors

Push for Hard Floors

  • Can be vacuumed, swept

  • Mopped

  • Easier to see need to clean

  • Rugs can be cleaned, changed

  • Limits allergens

  • More cost effective long term

    • Recently got carpet removed

      from new LL Govt Center


Healthy homes healthy people

Pets

Dander is more the issue

Fur

Track in outdoor contaminants

Dirt

Fleas

Keep out of the bedroom, especially kids

Water leaks, moisture


Bathrooms

Bathrooms

RUN fan 30 min after each bath/shower

Caulk/re-caulk shower/tub

Use splash guards

Fix toilet leaks (valves, wax ring)

Control toilet tank condensation

Fix leaks under sink


Kitchens

Kitchens

2 Tbl Salt

  • Leaky faucet

  • Leaky P trap, connections

  • Use range hood during cooking

    • Clean quarterly

  • Check refrigerator drain pan

  • NEVER have carpeting in kitchen

  • Clean up crumbs – pest issues

  • Do dishes everyday


Laundry

Laundry

  • Vent to exterior

    • Don’t vent to interior attic, eves, garage, basement….

    • Minimize length - No long runs in cold spaces

    • Hard duct – not according tubing

  • Don’t hang-dry clothing inside

  • Check and fix water hose leaks

  • Don’t use fabric sheets, heavy fragrances

  • Clean exterior vent quarterly, lint trap every use


Living rooms bedrooms

Living rooms/ Bedrooms

“Couch potato asthma”

Dust mites

Crumbs = pest issues

Feather pillows/blankets

Vacuum floors and furniture often

Keep pet free if possible


Living rooms bedrooms1

Living rooms/ Bedrooms

Wash sheets weekly, blankets monthly

Remove stuffed animals or wash often

Keep doors open if possible

Use allergen covers on mattress/pillows


Storage areas

Storage Areas


Attics

Attics

  • Ensure adequate ventilation

  • Insulate well

    • Horror frost, ice damns

  • Ensure attic hatch is well insulated

  • Ensure duct runs are sealed and insulated

  • Check periodically for issues

  • My problem… ;(


Crawlspaces

Crawlspaces

Dirt floor? Cement? Poly installed?

Mechanical operations housed?

Clean or debris?

Dry?

Plumbing leaks?

Pest intrusion?

Spider webs?


Basements

Basements

Expansion joint

Dirt? Cement?

Allow for airflow – store on shelving, away from walls

Do not store in cardboard boxes

Dehumidify if needed – keep under 50%

Seal sump pump, check regularly

Condensation, effervescence on walls?

Seal cracks, openings, joints


Lived in basements

Lived in basements

Keep mattresses, clothing off floors

Keep everything away from exterior walls

NO CARPETING


Flooding a whole new topic

Flooding…a whole new topic

Contaminated or clean flooding?

Remove out ALL porous materials

Dry within 48 hours

Disinfect if needed,

remove sensitive

people from home


Lead paint

Lead Paint

  • Pre 1978 homes

  • Treat pealing/chipping paint as hazard

  • Lower income families more susceptible

  • Damage to

    • Central nervous system, brain

    • Kidneys

    • Stomach

    • Blood cells


Healthy homes healthy people

Think of house as a system…

Top to Bottom * Inside and Out


Doing an assessment

Doing an assessment….

Courteous

Empathetic

Non-judgmental

Respect - this is their castle

Ensure they are there for assessment


Brandy toft air quality specialist leech lake band of ojibwe 218 335 7429 air@lldrm org

Brandy Toft

Air Quality Specialist

Leech Lake Band of Ojibwe

218-335-7429

[email protected]


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