Guide for Customer

How to Choose the Perfect Kitchen Range Hood: A Complete Step-by-Step Guide

Selecting the right kitchen range hood goes far beyond picking a nice design. A well-chosen hood improves indoor air quality, removes odors, captures grease, and protects your family from harmful pollutants released during cooking. Whether you cook lightly or love high-heat stir-frying, this guide will walk you through eight key steps to help you choose the best range hood for your kitchen.


Step 1: Determine the Best Installation Type for Your Kitchen

The first decision is understanding how your range hood will be installed. This depends largely on your kitchen layout and cabinet structure.

Common Installation Options

🔹 Under-Cabinet Hoods

Mounted directly beneath a cabinet, these are great for compact kitchens. They save space, keep a clean look, and hide ductwork easily.

🔹 Wall-Mounted Hoods

Ideal when there are no cabinets above the stove. They create a stylish focal point and offer easy access for cleaning.

🔹 Island Range Hoods

Perfect for stoves located on kitchen islands. Since they are exposed to airflow from all directions, island hoods usually require higher suction power.

🔹 Built-In / Insert Hoods

These hoods fit inside custom cabinetry or a wall niche. They maintain a minimalist, seamless design while keeping strong ventilation performance.

Choosing the right installation style not only affects your kitchen’s appearance but also determines how effectively the hood can capture smoke and odors.


Step 2: Select the Proper Ventilation Type Based on Your Cooking Habits

Range hoods use two primary ventilation systems: ducted and ductless.

Ducted Ventilation (External Venting)

This system pushes smoke, steam, and grease particles outside through metal ducts. It’s the most powerful and preferred choice for households that cook frequently, especially with high heat. Litrohub AAA-GT01RT 30" under-cabinet range hood offers Top Round / Rectangular / Back ducting installation methods.

Ductless Ventilation (Recirculating)

These hoods filter air through carbon (Charcoal) filters and release it back into the kitchen. They’re ideal for condos, townhomes, or kitchens with no access to exterior ducts. Litrohub AAA-H631-30-T 30" under-cabinet range hood offers both ducted and ductless installation methods.

Important:

Ductless systems require regular carbon filter replacement to maintain efficiency. If your cooking style involves frying, grilling, or wok-style stir frying, ducted ventilation is strongly recommended.


Step 3: Pick the Right Filter Type

The filter is the heart of your range hood. It traps grease and particles before air is exhausted or recirculated.

Types of Filters

✔ Stainless Steel Baffle Filters

Highly efficient for heavy cooking dishwasher-safe and extremely durable. Best choice for frequent cooks

✔ Aluminum Mesh Filters

More budget-friendly, need more frequent cleaning, not as long-lasting as baffle filters

✔ Carbon Filters / Charcoal Filters

Used only in ductless hoodsRemove odors effectivelyMust be replaced periodically. Regular cleaning and timely replacement of filters ensure your hood maintains strong suction and long-term performance.


Step 4: Choose the Appropriate Suction Power (CFM)

Suction strength is measured in CFM — Cubic Feet per Minute.

Higher CFM = stronger ability to remove smoke and fumes.

How Much CFM Do You Need?

If you use a gas stove:

Total BTUs ÷ 100 = Minimum required CFM

(Example: 64,500 BTU → at least 645 CFM)

If you use an electric stove:

Approximately 10 CFM per inch of stove width

(Example: 36-inch stove → minimum 360 CFM)

High vs. Low Suction Requirements

High-heat stir frying, grilling, deep frying → High CFM needed

Boiling or steaming → Lower CFM is enough

A hood with insufficient suction leaves smoke lingering in the air, which can negatively affect health, especially during long-term exposure.

Multi-Speed Fans: Modern hoods offer multiple speed levels:

Low: For simmering or steaming

Medium: Eeveryday cooking

High: During heavy frying / Cooking more spicy food / Using more oil

This flexibility helps manage noise and energy use.


Step 5: Select the Correct Size for Maximum Coverage

The hood should always be as wide as the stove — or wider.

Standard Sizing Rules

Under-cabinet & wall-mounted hoods:

Match the stove width (e.g., 36" stove → 36" hood)

Island hoods: Choose a hood 3–6 inches wider on each side to capture smoke in open spaces

Installation Height: Install the hood 24–30 inches above the cooktop for optimal performance.

Special Note for Condos: High suction (over 500 CFM) can cause negative pressure, making doors slam, air leak through vents, and reducing indoor comfort.

For condos, choose a hood under 500 CFM unless approved by the building.

***Litrohub AAA-GT01RT 30" under-cabinet range hood offers </= 900CFM and Litrohub AAA-H631-30-T 30" under-cabinet range hood offers </= 750CFM will ensure your indoor air circulation balanced.


Step 6: Consider Noise Levels

A noisy range hood can ruin the cooking experience, especially in open-concept homes.

Understanding Decibel (DB) Levels

30–50 DB: Very quiet

50–65 DB: Normal conversation level

70+ DB: Loud and potentially disruptive

What to Look For

Low-noise motors silent or whisper modes aerodynamic duct design multiple fan speeds

For open kitchens, selecting a hood under 60–65 DB dramatically improves comfort.

Litrohub AAA-GT01RT and Litrohub AAA-H631-30-T with noise level <62DB will ensure your comfort cooking experiance.


Step 7: Explore Extra Features That Improve Convenience

Modern range hoods come with advanced features designed to improve usability and longevity.

Helpful Add-On Features

🧼 Automatic Cleaning Systems

Break down internal grease buildup using heat or steam, reducing manual maintenance.

⏲ Delayed Shut-Off

Keeps the fan running after cooking to eliminate lingering odors and smoke.

💡 LED Lighting

Bright, energy-efficient illumination makes cooking easier and safer.

📱 Smart Controls & Connectivity

App-based control Voice assistant compatibility Auto-adjustable lightingTouch or gesture controls

These conveniences elevate your cooking experience and ensure your kitchen stays cleaner with less effort.


Step 8: Keep Health and Indoor Air Quality in Mind

Cooking — especially at high heat — releases harmful substances such as:

Common Kitchen Pollutants CO₂, CO, NO₂, Carcinogenic compounds (PAHs, HCAs) from frying Grease particles and oily vapors

Strong odors that cling to fabrics and furniture


Why Ventilation Is Essential

An effective range hood reduces exposure to pollutants linked to: Asthma, Lung irritation, Allergies, Cardiovascular issues, Increased cancer risk. A high-quality hood with strong suction and efficient filtration dramatically reduces airborne contaminants, making your kitchen safer for everyone.


Conclusion: Your Range Hood Is More Than an Appliance — It’s a Health Investment

While style, brand, and price matter, the most important factors are performance and long-term protection. A good range hood keeps your kitchen clean, reduces harmful pollutants, and improves the overall air quality of your home.


Proper ventilation is the backbone of a healthy kitchen, and an efficient range hood plays a crucial role in protecting your home from harmful cooking pollutants. A premium range hood Like Litrohub AAA-GT01RT / AAA-H631-30-T —equipped with powerful suction and advanced filtration—can rapidly eliminate smoke, grease, odor, and toxic gases before they spread through your living space. By installing a high-performance Litrohub range hood, you’re not only improving everyday air quality but also shielding your family from the long-term health risks associated with high-temperature cooking. It’s more than a kitchen appliance—it’s a smart investment in a cleaner home, safer breathing, and a healthier future for your loved ones.


Here’s a quick recap of the eight steps:

Choose the right installation method

Select ducted or ductless ventilation based on your cooking habits

Pick the right filter type

Choose the appropriate CFM/suction power

Match the hood size to your stove

Consider noise levels

Look for smart, modern features

Prioritize health and indoor air quality

With these steps in mind, you can confidently choose a range hood that enhances your cooking experience, keeps your home fresh, and protects your family’s well-being.

Features of Litrohub Range Hood

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