-20 C to F = -4 °F Of course, the result is also valid for -20C to F, -20C in F etc. Here you can change Negative 20 Fahrenheit to Celsius.

6 Perfect Outfits to Wear in 20-Degree Weather

• Slip Skirt + Boots + Suede Jacket.
• Long-Sleeve Top + Trousers + Sandals.
• Loose Blazer + High-Waisted Trousers + Trainers.
• Chore Jacket + White Tee + White Jeans.
• Cardigan + Jeans.
• Dress + Ankle Boots.

Depending on the season, the ideal house temperature for both comfort and efficiency is between 68 to 78 degrees Fahrenheit. In the summer, the recommended thermostat setting is 78 degrees F. In the winter, 68 degrees is recommended for energy savings. Humidity: Winter air is naturally dry.

If you are exposed to consistenty sub-freezing temperatures, 72 F feels hot because you become used to the cold. If you go day after day in 100+ F temperatures, you get used to the heat and 72 can feel cold.

To answer your question, the “72 degrees Fahrenheit=room temperature” is considered from internal body temperatures being 98.6 degrees +/-, thus making the temperature of skin to be around 72-76 degrees Fahrenheit. That is why a temperature around that range is usually comfortable and coined as room temperature.

Any time you’re awake and at home during the summer, the ideal thermostat temperature is 78 degrees. This home temperature for energy efficiency lowers your cooling bills by 12 percent compared to keeping it at 74 degrees. If you’re afraid 78 degrees is too warm, remember to dress for the season.

Be careful not to decrease your home’s temperature to less than 55 degrees in winter or allow your home to warm to more than 80 degrees in summer, as it may leave your home susceptible to damage. An indoor temperature of less than 55 degrees may lead to freezing pipes, while anything more than 80 may damage drywall.

78F

“Do not run the AC unit below 70 degrees indoors for the same reasons — it can freeze the evaporator coil,” he says. With some systems, that threshold might be 65 or 68 degrees. It depends on other factors, too, including airflow and indoor humidity. That’s why never going below 70 degrees is a safe practice.

When trying to find the most reasonable setting for your air conditioner, you have to start somewhere. And, the best spot to do it at is 78 degrees Fahrenheit. According to Energy Star, it’s an ideal temperature. 78 degrees keeps you fairly cool and comfortable during the day.

What Is The Optimal Room Temperature For Sleeping? The best sleeping temperature for most adults is 60 to 72 degrees Fahrenheit (15 to 22 degrees Celsius). The ideal temperature for elderly people is around 66 to 70°F (19-21°C).