Furnace Filter Slot Seal Door Cover

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We’re All About Sealing Up Ductwork

Shop our online store for Winnebago RV parts. We make daily stops at Winnebago Industries. Check out our Winnebago parts eBay store. AllergyZone, AZFL-100, FilterLock Furnace Filter Slot Seal Door Cover. 4.4 out of 5 stars 444. 99 $16.95 $16.95. Furnace Filter Magnetic Slot Seal Is your furnace sucking in dirty air? Our Furnace Filter Magnetic Slot Seal is the answer to this question. Our air-sealed cover has been specifically designed to eliminate energy loss and stop allergens and pollutants from entering the furnace at the filter. Ask for FREE SHIPPING when purchased with another item!

In the video above we explain a very easy simple tip to seal the space around your furnace filter slot.

We want to deliver the airflow where it’s supposed to go and the furnace filter slot is a weak spot in every system that allows air to escape the filter and go directly to your furnace blower.

Why Is It A Problem That Some Air Escapes The Filter And Goes Directly To The Furnace Blower?

When air is not filtered, it allows all the dust, dirt, and allergens to go directly into your furnace blower and into your house. This will make your furnace dirty and less efficient. Your house will seem to have more dust, and dirt in your furnace creates many problems and will cause parts to wear faster and break more often.

Even More Important If Your Furnace Is Located In An Attic, Crawl Space, Woodshop, etc.

If your furnace is located in a dirty (woodshop, etc) or unconditioned space, the space around your furnace filter lets the air in that space escape the filter entirely and go directly to the furnace blower. Your furnace will be pulling humid, dirty air directly into the blower compartment. That is not a good thing at all. That’s why we recommend closing the space around your filter with something like the FilterLock by Allergy Zone.

We recommend the FilterLock Furnace Filter Slot Seal Door Cover to solve this pesky problem. See below for our affiliate link to the FilterLock Furnace Filter Slot Seal Door Cover.

It improves indoor air quality by blocking allergens, dust, and gases like carbon monoxide from entering your home.

Welcome to Battic Door® Energy Conservation CONTRACTOR Store

(Visit our Retail Store for complete product details)

Contractors receive a 15% - 25% + discount on all orders by purchasing in bulk from this page.

We have included our most popular contractor items on this page.

If any other items are desired in bulk please contact us for our wholesale price list.

All Products MADE IN U.S.A. and Qualify For RESIDENTIAL HOME ENERGY STAR TAX CREDITS!



Battic Door® Attic Stair Insulator Cover

Insulate from R-30 to R-50+ as required by Code

Door

NOW AVAILABLE IN 3 SIZES:

22x54,

Filterlock Furnace Filter Slot Seal Door Cover

25x54, and

30x54.

Battic Door® attic stair cover kits meets 2009, 2012, 2015, 2018 International Energy Conservation Code (used in all 50 states and most jurisdictions), Energy Star, and 2012 International Green Construction Code!

2009 IECC Section R403.2.3 and 2012, 2015, 2018 IECC Section R402.2.4 reads: 'Access hatches and doors - Access doors from conditioned spaces to unconditioned spaces (e.g., attics and crawl spaces) shall be weatherstripped and insulated to a level equivalent to the insulation on the surrounding surfaces.'

Buy a 5 pack and SAVE! OK to mix and match different sizes in a 5 pack - just let us know what you need! Please note that additional shipping required to AK & Canada.

All kits include durable stair cover box and weatherstripping gasket.

Allergy Zone Azfl-100 Filterlock Furnace Filter Slot Seal Door Cover

BETTER kits include reflective shield wrap and you add desired insulation.

BEST kits include reflective wrap and 2 layers of JM Comfortherm R-25 batt to cover top of box and provide R-50. Add your own additional insulation to sides of box if desired and you have clearance.

All kits easily install in minutes with no tools!

How To Determine Correct Size To Fit Your Folding Stairs:

Pull down cord - measure length and width of the hinged door (between trim).

21' wide x 52' long = Model 22x54 (most common size ladder when trusses are spaced 2 ft on center)

24' wide x 52' long = Model 25x54 (most common size ladder when joists spaced 16 inch on center)


22x54 BETTER

22x54 BEST

25x54 BETTER

25x54 BEST

Filter

Whole House Attic Fan Insulation Shutter Seals and Covers - TRIM TO FIT!
Furnace Filter Slot Seal Door Cover(Also For AC Vents and Returns!)

The Battic Door Whole House Attic Fan Ceiling Shutter Seal is an energy-saving insulating seal for Whole House Attic Fans. It reduces air-leakage through the whole house attic fan saving the homeowner heating and cooling loss and energy costs.

Furnace filter slot seal door coverings

The Battic Door Whole House Attic Fan Ceiling Shutter Seal is easily installed over the fan louver from the house side in the fall and removed in the spring.

By reducing the amount of heat and moisture leaking into your attic, the severity of ice dams and attic mold is greatly reduced!

Buy a 4-pack and SAVE! OK to mix and match sizes - just let us know what you need! Additional shipping required to AK & Canada.


4-pack: Small Shutter Seal

SMALL 3 x 4 ft

4-pack: Medium Shutter Seal

MEDIUM 4 x 4 ft

4-pack: Large Shutter Seal

LARGE 4 x 5 ft

Buy Extra Velcro

14 ft long Velcro Strips

Furnace Filter Slot Seal Door Coverings



Clothes Dryer Vent Seal
(also works with bathroom exhaust fans and kitchen exhaust fans)

Check Out Our Clothes Dryer Vent Seal!

Yes - this is exactly like the one that sells for $39.99 in Specialty Catalogs!

Buy a 4-pack and SAVE! Additional shipping required to AK & Canada.

Furnace Filter Slot Seal Door Covering


4-pack: Dryer Vents

4-pack

24-pack: Dryer Vents

24-pack

48-pack: Dryer Vents

48-pack

96-pack: Dryer Vents

96-pack



E-Z Hatch® Attic Access Door R-50! OUT OF STOCK ORDER VIA EMAIL ORDERS@BATTICDOOR.COM
INSTALLS IN MINUTES INTO A 22-1/2' x 30-1/2' ROUGH OPENING!!

The E-Z Hatch® Attic Access Door Panel Hatch System is an easy to install, easy to use, highly insulated door, panel, hatch system that installs in minutes and provides an air sealed, professional, high-quality, insulated access opening into the attic space.

Triple gaskets provide an air tight seal! The core of the door is 10' thick and made of Expanded Polystyrene foam that provides a greater R-Value per inch than fiberglass. The face of the door is gloss white, durable, and easy to clean.

For new construction and renovation - an alternative to energy-wasting pull down attic stairs!

Deluxe model with 4-point keyed lock and recessed handles - designed for security and knee walls. Additional shipping required to AK & Canada.


Furnace Filter Slot Seal Door Covers

R-50 E-Z Hatch®

R-50 E-Z Hatch



Insulated Crawl Space Vents!
Seal your crawlspace in the winter to prevent freezing cold floors!
Industry experts love this new patented product.
Benefits:
Energy Savings, Easy Installation! Stops drafts from coming in through the crawl space vents.
Easily retrofitted into existing homes or installed into new homes. High-quality affordable product.
Insulate your crawlspace from outside your home. Helps prevent pipes from freezing.
Maintenance-free. Easy to use: open and close from the exterior.
Keeps rodents and mice out. Additional shipping required to AK & Canada.

10 pack: Crawl Space Vents

25 pack: Crawl Space Vents

50 pack: Crawl Space Vents

100 pack: Crawl Space Vents



Furnace Filter Magnetic Slot Seal
Is your furnace sucking in dirty air? Our Furnace Filter Magnetic Slot Seal is the answer to this question. Our air-sealed cover has been specifically designed to eliminate energy loss and stop allergens and pollutants from entering the furnace at the filter.
We can print your logo onto the seal - ask for details
Industry experts love this new patented product.
Benefits:
Energy Savings. Saves Energy - Reduces Utility Bills Blocks Allergens and Pollutants From Entering Ductwork
Easy Installation: Overlapping Design - One-Size-Fits-All Filters. Improves Indoor Air Quality, Increases Furnace and A/C Lifespan
Lightweight, Maintenance-free, Easy to use. Magnetically Attaches to Ductwork - Quick and Easy

50-pack: Filter Slot Seal

250-pack: Filter Slot Seal

500-pack: Filter Slot Seal

1000-pack: Filter Slot Seal



SMART Flow Elbows Improve Air Flow and Reduce Energy Use
Elbow brace designed to form flexible duct into highly efficient 90-degree elbows.
Provides better airflow and energy savings.
Use of this durable elbow support decreases pressure drop by up to 500% over kinked flex duct saving a significant amount of energy costs.
NOTE - These are DOUBLE ELBOW KITS - EACH KIT Includes 2 elbows and 4 - 36' duct straps.

12-pack: Dbl SMART Flow Elbow Kits

60-pack: Dbl SMART Flow Elbow Kits

120-pack: Dbl SMART Flow Elbow Kits

240-pack: Dbl SMART Flow Elbow Kits