Replacing Your Home Entry Door: How Much Energy Can You Save?

Best Home Entry Doors

An entry door not only adds beauty and security to your home, but also plays an important role in keeping your home cool and warm.

Your entry door can cause as much as a 20% heating & cooling loss in your home!

Door quality greatly contributes to air leakage and energy waste that can lead to expensive utility bills.

Tips On Choosing a Great Entry Door

New exterior doors often fit and insulate better than older types. If you have older doors in your home, replacing them might be a good investment, resulting in lower heating and cooling costs. If you’re building a new home, you should consider buying the most energy-efficient doors possible.

When selecting doors for energy efficiency, it’s important to first consider their energy performance ratings in relation to the local climate and your home’s design. This will help narrow your selection.

Types of Doors

One common type of exterior door has a steel skin with a polyurethane foam insulation core. It usually includes a magnetic strip (similar to a refrigerator door magnetic seal) as weatherstripping. If installed correctly and not bent, this type of door needs no further weatherstripping.

The R-values of most steel and fiberglass-clad entry doors range from R-5 to R-6, not including the effects of a window. For example, a 1-1/2 inch (3.81 cm) thick door without a window offers more than five times the insulating value of a solid wood door of the same size.

Glass or “patio” doors, especially sliding glass doors, lose much more heat than other types of doors because glass is a very poor insulator. Most modern glass doors with metal frames have a thermal break, which is a plastic insulator between inner and outer parts of the frame. Models with several layers of glass, low-emissivity coatings, and/or low-conductivity gases between the glass panes are a good investment, especially in extreme climates. When buying or replacing patio doors, keep in mind that swinging doors offer a much tighter seal than sliding types.

It’s impossible to stop all the air leakage around the weatherstripping on a sliding glass door and still be able to use the door. In addition, after years of use the weatherstripping wears down, so air leakage increases as the door ages. If the manufacturer has made it possible to do so, you can replace worn weatherstripping on sliding glass doors. Another option is to install high energy efficient patio doors.

Installation

When you buy a door, it will probably be pre-hung. Pre-hung doors usually come with wood or steel frames. You will need to remove an existing door frame from the rough opening before you install a pre-hung door. The door frame must be as square as possible, so that the door seals tightly to the jamb and swings properly.

Before adding the interior trim, apply expanding foam caulking to seal the new door frame to the rough opening and threshold. This will help prevent air from getting around the door seals and into the house. Apply carefully, especially if the frame is wood, to avoid having the foam force the frame out of square.

If needed, you’ll also want to add weatherstripping. Check the weatherstripping on your exterior doors annually to see if it needs replacement.

Have Older Doors in Your Home?
Want to Upgrade to New, Beautiful Highest Energy Efficient Doors?

Rocky Mountain Exteriors are your home door experts! We proudly offers ProVia doors and perfect installation of home entry and patio doors.

ProVia doors are the very best you can buy, carry the highest energy star ratings & warranties available, and are just simply beautiful.

Learn more about Provia Doors and our door replacement & installation services:

Boise, Meridian, and Treasure Valley ID Entry Doors & Installation Services

Twin Falls Entry Doors & Installation Services

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