Friday, October 23

Keeping Pets — and Energy Bills — Comfortable

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Q: We’ve thought about installing a pet door. Will this impact my energy bill?

A: Pet doors are convenient for pet owners and pets, but they can impact energy bills. A pet door that is poorly made or improperly installed will create unwanted drafts that increase energy bills and reduce the overall comfort level of your home. The wrong type of door can also be pushed open during high winds.

Consider installing a pet door that is certified by the Alliance to Save Energy (ASE) or has a double or triple flap. These types of pet doors can reduce energy loss and make life easier for you and your furry friends. The best solution may be a high-quality electronic door that is activated by a chip on your pet’s collar.

Pet houses can help keep your furry friends comfortable. Photo by Angel Garcia July 2019

It’s difficult to undo a pet door installation, so before taking the leap, we suggest you do your homework. There may be other strategies that will give you and your pet some of the convenient benefits without the downsides.

Q: To save energy, we keep our home cool during winter nights and warm during summer days. How much “hot and cold” can our pup and tabby handle?

A: Cats and dogs can handle the cold better than humans. The U.S. Department of Agriculture (USDA), which regulates facilities that house cats and dogs, requires these facilities to maintain temperatures above 50 degrees. Some exceptions are allowed for breeds accustomed to the cold or if some form of insulation for the animals is provided. Pets’ tolerance really depend on their breeds and the thickness of their coats.

A report by the Purdue Center for Animal Science says that Siberian huskies can tolerate temperatures below freezing, but some short-haired dogs require temperatures of 59 degrees or warmer. Older animals may require warmer temperatures than younger ones.

During summer, cats and dogs handle the heat in different ways. Cats clearly enjoy warmer temperatures than dogs, and they do a good job of reducing their activity level as temperatures climb. But both cats and dogs can get overheated. The USDA says that room temperatures in facilities housing dogs or cats should not exceed 85 degrees for more than four hours at a time.

Consider installing a pet door that is certified by the Alliance to Save Energy (ASE) or has a double or triple flap. These types of pet doors can reduce energy loss and make life easier for you and your pets.

Q: Is it OK if my cat or my dog sleeps in the garage overnight?

A: USDA rules suggest this should be fine if your garage temperature stays between 50 degrees and 85 degrees. Pets might be able to handle a lower temperature if they have a warm, insulated bed.

This pup understands the comfort of an insulated bed to sleep on. Photo by Torsten Dettlaff

I do not recommend heating or cooling your garage for your pet. This could lead to extremely high energy bills, which makes sense because an uninsulated but heated garage could easily cost more to heat than a home. A better solution is a heated pet house, available from multiple retailers. If you’re willing to spend a little more, you can even find climate-controlled pet houses that include heating and cooling options.

You can also purchase heated beds for cats and dogs. Some beds use as little as 4 watts of electricity, so they won’t drain your energy bill.

We hope these tips will be helpful as you work at saving energy while caring for your favorite furry friend!

This column was co-written by Pat Keegan and Brad Thiessen of Collaborative Efficiency. For more information on house pets and energy, please visit

Cats love blankets, too! Photo by Patricia Heber


About Author

Partick J. Keegan

Patrick Keegan writes on consumer and cooperative affairs for the National Rural Electric Cooperative Association, the Arlington, Va.-based service arm of the nation’s 900-plus consumer-owned, not-for-profit electric cooperatives. He brings over 30 years of energy-related experience at the local, state, national, international, and non-profit level. His experience spans residential and commercial energy efficiency and renewables.

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