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HEALTHY HOMES.

The invisible influence on your health.
Chronic fatigue, headaches, or sleep issues can be your body’s cry for help, with the source hidden right in your home.
We help you identify these invisible influences and transform your living space into a healthy environment.

The 5 Pillars of Health Ruin: How Your Home Is Making You Sick

These threats are odorless, invisible, and often deadly, as their effect is insidious and occurs over years.

Chemical Pollutants

Molds and Moisture

Radon (Rn222)

EMF (NF&HF)

Asbestos & Particle

Chemical Pollutants

It is now well established that specific illnesses and conditions can be triggered by exposure
to certain environmental toxins and pollutants, such as those found in our homes and workplaces.

Illness | Condition

Headaches, fatigue, exhaustion, dizziness, concentration problems, memory impairment, nausea, vomiting, eye irritation, burning eyes, irritation of the nose, irritation of the throat, mucous membrane irritation, coughing, breathing difficulties, chest tightness, asthma, allergic skin reactions, skin rash, skin itching, susceptibility to infection, sleep disorders, olfactory disturbances, taste disturbances, asthma attacks, Multiple Chemical Sensitivity (MCS Syndrome), Sick Building Syndrome (SBS), bone marrow damage, liver dysfunction, kidney damage, damage to the central nervous system, reproductive impairment, genetic damage, lung cancer, leukemia, cancer.

Trigger in the Built Environment

Volatile Organic Compounds (VOCs), Formaldehyde, Semi-Volatile Organic Compounds (SVOCs), Phthalates, Flame Retardants (e.g., PBDEs), Pesticides, Solvents, Benzene, Toluene, Heavy Metals (e.g., Lead, Cadmium), Asbestos, Carbon Monoxide (CO), Nitrogen Dioxide (NO2), Ozone, Polycyclic Aromatic Hydrocarbons (PAHs), Cleaning Agents (as Source), Air Fresheners (as Source), Paints and Varnishes (as Source), Adhesives (as Source), Sealants (as Source), Particle Board/Pressed Wood Products (as Source), Off-gassing from New Furniture, New Carpeting (Off-gassing), Easy-Care/Permanent-Press Fabrics, Tobacco Smoke (Secondhand Smoke), Combustion Byproducts, Mold (Fungi) and Spores, Mycotoxins (Mold Toxins), Bacteria, Viruses, Endotoxins (from Gram-Negative Bacteria), Pollen, Dust Mites, Pet Hair and Dander, Cockroach Allergens, Radon Gas, Particulate Matter (PM2.5, PM10), Ultrafine Particles (UFP).

Hidden chemicals making you sick? We purify it.

No speculation, just pure facts. We find the contaminants and show you the way to fresh, healthy air.

Mezzalyn Assessment Preisliste

Price List Healthy Home Assessment

Choose the right assessment package for your construction project or existing property.

New Build Assessment

Healthy Home. Build Assessment

€560 ONE ROOM Sampling Only

Developed to confirm material quality and prevent the introduction of new pollutants (precautionary value assessment).

Scope of Examination:

Volatile Organic Compounds (VOCs):
Solvents, Aromatics, Aldehydes (C4–C11), Alcohols, Ketones, Esters, Glycol Compounds, Terpenes (α-Pinene, d-Limonene), Siloxanes (D3–D6), Phenol, Styrene, etc.
Semi-Volatile Compounds (SVOCs/VVOCs):
Focus on low-volatile plasticizers (Phthalates like DMP, DEP, DBP, DIBP) in indoor air.
Total Concentration (TVOC):
Calculation and evaluation according to DIN EN ISO 16000.
Book Now (€560)

Existing Property Assessment

Healthy Home. Existing Property Assessment

€619 ONE ROOM Sampling Only

Comprehensive inspection for both new products and historical contaminants (e.g., in old building materials, wood treatments, or flooring).

Scope of Examination:

Volatile Organic Compounds (VOCs):
Comprehensive air screening similar to the Build Assessment (Solvents, Terpenes, etc.).
PAH Material Check:
Analysis for Polycyclic Aromatic Hydrocarbons, commonly found in old sealants and adhesives.
Phthalate Material Check:
Targeted material analysis for low-volatile plasticizers in suspected samples.
Total Concentration (TVOC):
Calculation and evaluation according to DIN EN ISO 16000.
Book Now (€619)

Assessment Process – Step by Step

1

Selection & Booking

Choose the appropriate package (New Build or Existing Property) and complete the booking. This reserves your slot.

2

Pre-Assessment Questionnaire

You will receive a comprehensive questionnaire. Your detailed information is crucial for our preparation.

3

On-Site Sampling & Measurement

Our certified specialists will take precise on-site measurements and collect air, material, and dust samples.

4

Laboratory Analysis

All samples are sent to our accredited, independent laboratories for detailed analysis.

5

Report & Concept

You receive a detailed report (SBM-2024 guidelines) and a personalized, actionable remediation concept.

Important Service Information & Transparency Commitment

Your Collaboration is Our Foundation: The topic of "Healthy Home" is highly complex and often more specialized than it seems at first glance. To ensure the best possible diagnosis and solution strategy for your home, we require your active support. The pre-assessment questionnaire serves for our intensive preparation; the more detailed information you provide, the more targeted and effective our work can be. Please do not be surprised if we ask targeted, seemingly unconventional questions on-site – these are necessary to capture the overall picture completely. Quality Through International Laboratories & Travel Costs: Our highly specialized laboratory analyses are conducted by accredited, independent specialized laboratories within the EU, which necessitates a lead time for logistical processing and sample shipment. This guarantees you the highest measurement quality. For assignments outside the city limits of Lisbon, travel costs apply, which we communicate transparently. These will never exceed €70 and thus cover the entire Portuguese mainland. Our Commitment to Transparency: Our work is highly specialized. We disclose all available information to the best of our knowledge and belief to guarantee you the best possible service. Given the complexity of the topic "Healthy Living" in general, for specific questions regarding contaminants or unclear symptoms, we recommend contacting us directly and uncomplicatedly.

Molds and Moisture

It is widely recognized that exposure to molds and persistent indoor dampness creates a biologically
contaminated environment, which can trigger severe respiratory, allergic, and inflammatory conditions.

Illness | Condition

Allergies, Asthma, Respiratory Infections


Chronic Fatigue, Organ Damage

Trigger in the Built Environment

Mold spores, fungi, and bacterial growth due to structural moisture and poor ventilation.

Toxic secondary metabolites (Mycotoxins) produced by mold.

The Mold Trap

Superficial mold removal is worse than doing nothing. Without eliminating the underlying moisture source (e.g., building defect or thermal bridge), the fungus immediately grows back deeper and stronger. You might have a clean appearance, but the invisible toxin load is higher—you are swapping the visible problem for an even more dangerous, hidden threat.

Radon

Radon is an odorless, radioactive noble gas that escapes from the subsoil. It is the second leading cause of lung cancer after smoking.

Illness | Condition

Lung Cancer


Tissue Damage

Trigger in the Built Environment

Infiltration of the natural radioactive gas Radon from the subsoil into the house, especially in the basement and ground floor.

Radioactive radiation from certain building materials (e.g., granite, some tiles).

The Silent Killer – Radon Gas

Radon is a naturally occurring, odorless, and invisible radioactive gas that seeps up from the ground. It is the second-leading cause of lung cancer globally, surpassed only by smoking. Since regulatory limits often fail to reflect the genuine long-term risk to your family, relying solely on official standards is dangerous. If your property is located in a high-risk area, immediate, professional testing and mitigation are essential for your health security.

EMF | Electrosmog

The Invisible Danger Changing Your Biology.

Illness | Condition

Sleep Disorders & Chronic Fatigue


Headaches & Concentration Issues


DNA/ellular Damage

Trigger in the Built Environment

Constant Wi-Fi exposure, cell phone use/presence near the bed, DECT cordless phones.

Proximity to 5G/cell towers, high use of Bluetooth devices, and strong local router signals.

High exposure from cell phones carried directly on the body, impairing cellular communication.

The EMF Blind Spot

We are swimming in an invisible ocean of wireless radiation. Official regulators often rely on outdated limits, offering a false sense of security that fails to protect sensitive people. Building biology shows that chronic EMF exposure is a major disruptor to sleep, concentration, and long-term health. Don’t rely on slow policy changes—take control of your environment now.

Asbestos & Particle

Irreversible threat—decades later

Illness | Condition

Asbestosis, Scar Tissue Formation


Respiratory Irritation, Allergies

Trigger in the Built Environment

Asbestos fibers from building and sealing materials, especially pre-1993 (e.g., tile adhesive, fillers, insulation, fiber cement).

Fine dust and ultrafine particles (e.g., Man-Made Mineral Fibers / KMF, construction dust) released during building work or due to material aging.

The Asbestos Time Bomb

Unlike other toxins, these asbestos fibers never leave the body and can cause cancer decades later. Never rely on DIY solutions for this risk. Professional testing and certified remediation are the only responsible way to defuse this danger in your home.

The Revolution of Your Living Quality

Before/After: See the Difference You Will Feel.

BEFORE: The Invisible Risk.
Unexplained symptoms, chronic fatigue, irritations. Your home no longer feels like a sanctuary, but a source of constant stress. Without measurements, you are stumbling in the dark and cannot fight the causes (VOCs, mold, electrosmog).

AFTER: The Verified Certainty.
Clarity through scientific analysis. A home that we have optimized and freed from measurable pollutants based on our GHP Standards (Green Home Professional). The result is pure air, restful sleep, and increased quality of life.