The Best Garage Heating, Cooling, and Insulation

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Best Garage Door Insulation Kit

Special Note! A healthy door can handle these kits with ease. But if your garage door is already out of balance, adding insulation weight can literally tip that balance. Check your door’s balance before proceeding!

Best Metal Garage Door Insulation Kit

Garage door insulation kit
Garage door insulation kit

The best garage door insulation kit
The Owens Corning 500824 Insulation Kit is the best metal garage door pre-cut insulation system. The kit comes with eight insulation panels that are 22 in. x 54 in. each. Metal door panels have exposed channels. The kit’s insulation fits into these panels. This kit will insulate one door up to nine feet wide. This insulation reduces noise as well as drafts. Customers report a ten to 30 deg. F summer temperature drop in their garage, as compared to outside temps.

Get the Owens Corning kit here.

Owens Corning kit installed
Owens Corning kit installed

Owens Corning Metal Garage Door Insulation Kit Fast Facts

  • One kit insulates one door
  • Intended for metal doors which have exposed channels to hold the insulation
  • Installs in about one hour
  • Panels are R-8 and white
  • Includes fasteners
  • Adhesive requires a clean surface!
  • If your garage door panels don’t provide a snug fit, tape the panels with Gorilla or Duck tape
  • Expect a ten to thirty degree temperature difference from outside

Get the Owens Corning metal  garage door insulation kit here.

Best Wood Garage Door Insulation Kit

Installed Wood door insulation kit
Installed Wood door insulation kit
SmartGARAGE insulation kit
SmartGARAGE insulation kit

Wood doors often don’t have panel side channels the way metal doors do. So the Owens Corning doesn’t fit as well in wood doors as in metal.

The IMP SmartGARAGE Reflective Garage Door Insulation Kit is the best garage door insulation kit for wood doors.

This kit has an R-8 value and covers two 9 ft. x 7 ft. garage doors. You can also use this kit on metal doors.

IMP claims savings as much as 8 degrees, but many customers got better results than that. The SmartGARAGE kit will keep your garage warmer in the winter and cooler in the summer. Customers have reported 30 deg. F. improvements in their garage temperature.

Special Note! Many customers report putting foam panels up and then this kit. Not all foam panels are safe for garage door insulation! They can be extremely flammable. This kit is a safe material, but the foam insulation panels might not be. To learn more, read our insulation article.

IMP SmartGARAGE Reflective Garage Door Insulation Kit Fast Facts

  • This kit covers two garage doors
  • It can be used on both metal and wood doors
  • It is easy to apply
  • Always clean surfaces before applying adhesive
  • If the fit is loose then also use heavy-duty double-sided tape.

Get the IMP SmartGARAGE insulation kit.

Best Thermal Leak Detector

Black & Decker TLD100 Thermal Leak Detector green means baseline reading
Black & Decker TLD100 Thermal Leak Detector green means baseline reading

The best thermal leak detectorA thermal leak detector can show you what parts of your garage require insulation. One of the factors in deciding to insulate your garage door is whether its allowing the heat or cool air from outside. The best thermal leak detector for the money is hands down the Black & Decker TLD100 Thermal Leak Detector. It’s not a $450 Flir camera, but for less than 1/10th the price, it accurately detects hot and cold spots.

Black & Decker TLD100 Thermal Leak Detector blue means colder than baseline at vent
Black & Decker TLD100 Thermal Leak Detector blue means colder than baseline at vent

This is the thermal leak detector that gives you instant feedback where your eyes are focused rather than just on the handheld screen. Many thermal detectors get this wrong. When you’re scanning the wall with the detector, you’re looking at the wall. Many detectors make you look back to your detector for results. The Black & Decker shines a light onto the wall where you are scanning. You don’t have to look at the tool interface to see your results.

Black & Decker TLD100 Thermal Leak Detector blue means colder than baseline at floor moulding
Black & Decker TLD100 Thermal Leak Detector blue means colder than baseline at floor moulding

Whatever the machine is pointing at when you turn it on determines the detector’s baseline temperature. The detector shines green, blue or red on the target object. A green light means the target is in the baseline temperature range. A red light means it’s warmer, and a blue light means it’s cooler. So you get temperature deviations in both directions from the baseline.

Black & Decker TLD100 Thermal Detector red means warmer than the wallBlack & Decker TLD1000 Thermal Leak Detector Fast Facts

  • Uses a 9v battery
  • Measures from -22 deg. F (-30 deg. C) to 302 deg. F (150 deg. C) (good luck at those temps)
  • Shines green for baseline, red for hot and blue for cold
  • You don’t have to look at the tool to see deviations in temperature
  • You can change how many degrees the target must be off reference before the light changes color
  • Can also be used to diagnose engine misfires and check the fridge/freezer temperatures
  • Comes with two-year warranty

Buy the TLD100 here.

Black & Decker TLD100 Thermal Leak Detector red means warmer than baseline at window frame
Black & Decker TLD100 Thermal Leak Detector red means warmer than baseline at window frame

Check out the ridiculously reasonable price for this indispensable insulation diagnosis tool on Amazon.

Best Consumer Thermal Imaging Camera

FLIRSome brands are synonymous with their products like Kleenex. FLiR has become such a company. They make a wide variety of products for both professionals and consumers alike which is always a good sign in my opinion.

Chances are you will want one to see where your insulation is failing or to see if there is an electrical problem behind a wall where you can’t see it. You’ll be able to see the hot wires in bright red. One of the most popular solutions they offer is the smartphone camera attachment called the FLiR One Gen 3 for iOS or Android. Considering the technology behind these the price seems reasonable to me. This is the model recommended by the manufacturer for the home DIYer. The Pro and Pro LT models offer enhanced resolution and higher temperature ranges required by HVAC and other professionals.

FLiR offers Professional Thermal Cameras for all Applications as well as a variety of outdoor products like the Scout Thermal Monocle. You can use this to look at wild life or when camping to make sure there are no wild animals in the area.

The FLiR company’s products have also been instrumental in helping to prevent poaching. by giving rangers the tools needed to see in the dark.

Best Garage Door Bottom Seal

The best garage floor door sealThere are two kinds of Garage door bottom seal: those that attach to the floor, and those that attach to the door bottom. A mis-aligned garage door will allow air and the environment to seep inside. Often a garage door threshold seal (that attaches to the door) will seal this gap. For tougher gaps, get the Universal Garage Door Seal from Vat Industries. It’s a remarkably sturdy piece of rubber that seals even huge garage door-floor gaps.

The Best Garage Door Threshold Seal

M-D Building Garage Door BottomThe best garage door threshold seal is the M-D Building Products 18 ft.  Garage Door Bottom. This rubber seal attaches to the bottom of the garage door using the included screws. There are no pre-drilled holes. The included screws are self-tapping, meaning they drill their own holes. Position where you want them and screw the rubber to the bottom of the door. The M-D Garage Door Bottom seals out bugs, air, drafts, snow and rain. Can be used on aluminum, steel and wood doors. With wood doors, though, you might want to supplement this seal with some caulk. Get the M-D seal on Amazon.

Loobani garage door seal
Loobani garage door seal

The M-D (above) is a good rubber product that provides a tight seal. While installation will be easy for DIYers, it might not be so easy for everyone else. So if you want an easy-to-install garage door threshold seal, get the Loobani Garage Door Bottom Seal from Loobani. It slides over the door threshold, works very well, and requires no tools to install. Get the Universal Replacement Seal here.

Clopay garage door seal
Clopay garage door seal

If you are unsure about fit, then get the Clopay Garage Door Seal here. This seal fits the bottoms of doors manufactured by Amarr, Arm-R-Lite, CHI, Clopay, DBCI, Deldon, Gadco, Martin, Raynor, Richard Wilcox, and Safeway.  This seal fits all of these manufacturers’ doors. The seal will not lose its shape or degrade in cold weather. it’s a very soft rubber. It feels in gaps created by uneven floors.

The Best Garage Floor Threshold Seal

Universal garage door seal
Universal garage door seal

The best garage floor threshold seal is the Vat Industries Universal Garage Door Seal. Attach this rubber to the floor where the floor and door meet. It will yield to the force of the garage door closing on it, then bounce back when the garage door is open. The Vat seal is more expensive than other seals, but it’s also the last threshold seal you’ll buy for years. It comes with a lifetime warranty.

This is the rubber seal that keeps out drafts, bugs, grass and noise. It also stops wind, rain, dirt and leaves from entering the garage. Drive over it and slam the door onto it, normal wear and extreme temperatures just don’t affect it. That’s because it’s made of EPDM rubber, an especially strong yet yielding type of rubber. The only real-world danger to EPDM rubber is oils and solvents, but it has to be in sufficient quantity to affect your threshold seal. Unless you pour a can of gas on this threshold, it’s not going to budge. All of the door seals in your car are made out of EPDM, so this stuff has been tested around cars.

Buy the Vat Seal here.

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How the Universal Seal works
How the Universal Seal works

Vat Universal Garage Door Seal Fast Facts

  • Comes in 10 ft. and 20 ft. lengths
  • Is made of super-strong EPDM rubber
  • Protects the garage from wind, rain, snow, noise, bugs and dirt
  • Apply with Liquid Nails
  • Keeps your garage and house warmer in the winter, cooler in the summer
  • Easy to install
  • Comes with a lifetime warranty (save your receipt!)

Buy the Vat Universal Garage Seal here.