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VENTILATIONBUYINGGUIDE

A step-by-step guide to find the right ventilation products for your home or project

Published by Yale Appliance + Lighting

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The primary function of a range hood is to draw heat, steam and grease out of your house (the average family produces one gallon of grease per year due to improper ventilation).

Proper venting is about CFM (cubic feet per minute), capture area, proper ducting and provisions for make-up air (code 1503.4).

The secondary purpose is style. With the advent of the Italian manufacturers there are beautiful and functional products readily available.

Check out Best and Zephyr for modern pieces. We also have an attractive yet affordable private label brand.

V e n t i l a t i o n

Overview

Photo credit: Kuche+Cucina via Houzz

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What’s NewWe discuss new trends in the

ventilation category

Ventilation TermsAppliance industry terms and topics to consider in your search

V e n t i l a t i o n

Table of ContentsClick the circles to move between sections

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Types of VentilationWe explain the three ways to vent

Styles of HoodsLook at the most popular styles of kitchen ventilation

How to BuyHow to choose the right venting

product for your kitchen or project

About YaleA little about us

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WHAT’S NEWWe discuss new trends in the ventilation category

Photo credit: Texas Construction Company / Houzz

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With the advent of Italian manufacturers like Zephyr, Best and Faber ventilation become a much more varied and interesting category. They are now design statements in the kitchen or completely hidden.

V e n t i l a t i o n

What’s New

Photo credit: Sullivan Building & Design Group via Houzz

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ACT Technology turns any hood into a make-up air compatible unit ready to pass inspection.

This process can limit the CFM output to satisfy local Make-Up Air requirements. Make sure to check your local codes before purchasing ventilation products.

V e n t i l a t i o n

What’s New

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VENTILATION TERMS

Appliance industry terms and topics to consider in your search

Photo credit: Mitchell Barnett Architect / Houzz

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Cubic Feet per Minute. A measure for the amount of air that passes through the hood in a given minute. For example, a 300 CFM hood exhausts 300 cubic feet of air in one minute.

T e r m s

CFM

Photo credit: Peter McDonald Architect via Houzz

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Smoke is channeled or captured, so the larger the hood depth is, the more efficient the exhaust.

Capture area is especially important for venting professional products but less so for standard products.

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Capture Area

Photo credit: Great Rooms Designers & Builders via Houzz

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Blowers can be located outside your home, inside the duct or inside the home. The biggest blowers with the most CFM are located on the outside.

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Blower Types

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Cooking Type Recommended CFM

4-Burner Professional 600 CFM

6-Burner Professional 900 CFM

4-Burner Pro with Grill 900 CFM

48” Professional 1,100 CFM

Wok Cooking 1000 CFM

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Minimum CFM Requirements

The general rule of thumb is for every 10,000 BTU output on a cooking surface you need 100 CFM. If you use a grill, griddle, or wok, you always want to have at least 1000 CFM. Keep in mind this is just a general rule of thumb.

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Massachusetts Code 1503.4 states that an equal amount of fresh air must be introduced for every unit exhausted in range hoods over 399 CFM.

With new homes being built nearly airtight, a high CFM hood could depressurize your home by removing large volumes of air. Hoods with ACT Technology can comply with Make-Up Air statutes by reducing hood output to 399 CFM.

In Boston and the suburbs, inspectors are now checking for make-up air compliance.

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Make-Up Air

What is Make-Up Air?

Photo credit: Artistic Kitchen Design via Houzz

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Recommendations vary, but 24”-30” above the top of a regular range and 30”-36” above the top of a pro range seems to be the standard.

Over-the-range microwaves have their own measurements. From the floor to the top of the microwave should be 67.5”.

Always check your local codes before hanging your hood.

T e r m s

Venting Height

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Returns air back into the room through a filter.

Ducted venting is a better option because the excess grease and heat are removed from your kitchen.

T e r m s

Recirculating Venting

Photo credit: Claudia Martin, ASID via Houzz

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If you choose the right hood, most powerful blower and duct it wrong it will not exhaust properly. Smoke is channeled by the hood and is pushed/pulled by a blower through a duct. Inadequate duct will slow down the process and so will a poorly conceived ducting run.

• The minimum duct for a regular vent is 6” round or 3.25”x10” rectangular. For a pro hood it should be 8”-10”. If you fry, wok or grill max out your ductwork.• The best ducting run is straight up through the roof. Second best would be straight back through the wall.• Keep the elbows and bends in the duct to a minimum, if at all. Every 90º bend will reduce air flow.

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Ducting

Photo credit: David Bucovy Architect via Houzz

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TYPES OF VENTILATION

We explain the three ways to vent

Photo credit: Kitchen Classics – Charles Heller / Houzz

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Many of the hoods, microwaves and downdrafts already have blowers built-in. However, on many professional and higher CFM hoods, the blowers are a separate purchase. They have their advantages as well as drawbacks.

V e n t i l a t i o n

Types of Ventilation

Photo credit: The Stratford Companies via Houzz

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Exterior blowers are quieter (you still hear the exhausting air) and can be more powerful with speeds up to 1,500 CFM.

However, they are big and bulky for the outside of your house and harder to service, especially in the snow.

T y p e s o f V e n t i l a t i o n

Exterior Blowers

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Blower is mounted on the inside of the hood itself. Internal blowers are louder, but simpler to service. They use an exterior wall cap, so they are much better looking than a much larger outdoor blower.

T y p e s o f V e n t i l a t i o n

Internal Blowers

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Combination of the quieter exterior blower, without the big outdoor vent. It’s still harder to fix, especially if it’s placed in the recesses of your home.

T y p e s o f V e n t i l a t i o n

In-Line Blowers

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STYLES OF HOODSLook at the most popular styles of kitchen ventilation

Photo credit: Eastbank Contractor Appliances / Houzz

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European hoods have a triangular shape and are designed to be the focal point of the kitchen. They can vary in power (CFM) and capture area.

S t y l e s o f H o o d s

European Hoods

Best European Style Kitchen Hoods

Photo credit: Kleppinger Design Group via Houzz

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Pro hoods are designed to vent the high BTU’s of high output ranges. The CFM can be up to 1,800 and depth of 24” or greater.

S t y l e s o f H o o d s

Professional Hoods

Best Hoods for Pro Gas Ranges

Photo credit: Mu-2 Inc. via Houzz

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This is the traditional style hood. In 1986, the average power of this hood was 250-300 CFM. Today it can be 2-3 times that.

S t y l e s o f H o o d s

Undercabinet Hoods

Yale Appliance University: Ventilation

Photo credit: Aidan Design via Houzz

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Whether it rises up or is integrated into an appliance, a downdraft vent carries heat and smoke outdoors.

Downdrafts are best utilized in island applications. Since the downdraft vent has no capture area and is fighting gravity, it should be considered a secondary option.

You cannot downdraft a professional cooktop as there is too much heat and smoke.

S t y l e s o f H o o d s

Downdraft Hoods

Photo credit: Glenvale Kitchens via Houzz

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Jenn-Air and sister company KitchenAid are the only companies producing a downdraft range. It is another product to be considered as a last resort with only 310 CFM. It is not built to vent large volumes of smoke, grease, and steam.

S t y l e s o f H o o d s

Downdraft Ranges

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Best’s system allows for a downdraft to be placed behind anything, including a range. It’s a difficult installation, so make sure your contractor is familiar with this downdraft before you buy it.

Keep in mind, we do not recommend downdrafts behind any high-volume stoves like a professional range.

S t y l e s o f H o o d s

Best Cattura Downdraft Hood

Yale Appliance University: Ventilation

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A microwave with a fan built inside. OTR’s, as they are called, are designed to go over a range.

However, at 310 CFM and with a rather shallow capture area, they are not designed for heavy cooking.

S t y l e s o f H o o d s

Over-the-RangeMicrowave Hoods

Photo credit: Blackpool Kitchens via Houzz

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This has become a very popular design trend because it accentuates the surrounding cabinetry. If you are using the cabinet as your hood you will need a blower designed for this application.

Many brands market a wood hood blower, which is simply the lights, filters and controls with the blower itself.

S t y l e s o f H o o d s

Custom Wood Hoods

Decorative Kitchen Range Hoods

Photo credit: Knight Construction Design via Houzz

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Four-sided hoods that are placed over your kitchen island above the cooking surface.

S t y l e s o f H o o d s

Island Hoods

Photo credit: Ernesto Santalla PLLC via Houzz

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HOW TO BUYHow to choose the right venting product for your kitchen or project

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Photo credit: Knight Associates / Houzz

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Style is truly in the eyes of the beholder.

You will be happy with Best, Viking, Zephyr, Wolf or Yale in terms of aesthetics. Function is another consideration, especially if you have a professional range or like to cook a lot.

Venting properly is the key. Buying a larger vent than required is not a bad idea because the cost difference is minimal.

Although downdrafts open the kitchen scheme, they should be considered as a last resort.

V e n t i l a t i o n

How to Buy

Photo credit: Andrea Shumacher Interiors via Houzz

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Buy where you’re comfortable

There are tons of stores and products, but a limited number of consumers. Check review sites like Yelp, CitySearch, Google and the Better Business Bureau before you purchase.

Remember, any store can sell an appliance; the biggest issues are shipping and service.

B u y i n g S t r a t e g i e s

Wisdom of Crowds

35E x c l u s i v e O f f e r

Appliance Delivery Checklist

Our free checklist will help you avoid a delivery nightmare. At the end, you will know what to ask from your local, national, or box store appliance dealer.

Delivery is one of the biggest causes for your dissatisfaction. You need to be prepared.

In the Delivery Checklist you’ll learn:

• How to choose a dealer with a first-class delivery experience• Which questions to ask to spot a quality delivery team• The importance of online reviews to help your appliance

search

Get the Free Appliance Delivery Checklist

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ABOUT USProud to be family owned and operated since 1923.

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Install

Our professional install team can hook

up your new dishwasher or re-

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Service

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the largest department at Yale

A b o u t U s

The Yale Difference

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Yale has been based in Boston for over 90 years and operates three showrooms; in Boston, Framingham, and Hanover. We operatethe largest independent service and repair department in New England with 60 people and 35 service technicians. Our sales staff hasan average of 7 years experience, and our staff chef can help you learn to use your new appliances.

V e n t i l a t i o n

About Us

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VISIT OUR STORESNow you can schedule a free, private showroom visit to go over the needs of your

project. Choose a time that works for your schedule to visit our Boston, Framingham, or Hanover, MA showrooms.

Schedule a Showroom Appointment

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