What's the Best Way to Cool and Heat My House

This time of year all many of us tin think most is keeping absurd. Only escaping the searing heat that blankets unabridged swathes of the country comes at a price. In my 130 year old Victorian, summer utility bills are stratospheric. But where does a person plow for help making decisions nigh cooling off when information technology seems similar everyone has something to sell? Roofs, windows, air conditioning systems, insulation — companies making and selling these products all have their claims about cooling and energy savings. And how do you separate fact from myth when information technology comes to adages about keeping a dwelling house cool and keeping a lid on the utility bill?

Fortunately a couple of experts weighed in for NBC Ameliorate with some tips for how you tin can proceed cool and carry on this summer. Lauren Urbanek is a senior program advocate, Center for Energy Efficiency Standards, Climate & Clean Free energy Program at the Natural Resources Defense Council. And Robert Daguillard is a spokesperson for the U.S. Environmental Protection Agency. They helped us break down some cooling essentials.

Outset with your windows

Information technology sounds basic, Urbanek said, simply "if sun comes in through your windows it's going to make your house warm. Using things like window coverings to their full reward in the heart of the 24-hour interval [can] keep your house cooler by keeping that sunlight from coming in, specially if y'all are gone during day, and in rooms that face up w or south."

Anybody else's grandma do that back before ac was ubiquitous? She knew what was what.

So what's best for window covering? Looking for a production like a thermal pall that'southward designed for that purpose is generally a pretty safe bet, Urbanek said. "The idea is to keep the light and heat from coming through." That could even hateful having a thicker drape vs. something sheer. Of course there are also thermal shades (we use those on southward and west facing windows and they make a dramatic departure), actual coma defunction, even interior shutters.

Yeah, you might exist giving up lite and a view, merely isn't it nice to exist cool?

Hot air is probable coming in from everywhere

If you were to add upward all the little cracks and places in your firm where warm air gets in, the average house would have a hole the size of a basketball, Urbanek said. "If you had a basketball sized hole in your wall yous'd take care of it right abroad." What people often don't know, she said, is how many places you can have hot air coming in: think effectually windows, door frames, and crawl spaces, fifty-fifty around recessed lights.

If you were to add up all the fiddling cracks and places in your business firm where warm air gets in, the average house would take a hole the size of a basketball game.

A smashing resource for finding all those picayune culprits, she said, is your local utility company. Many can provide a domicile energy audit and some even offer rebates if you take their communication. "Yous get a professional to do some diagnostic testing and they will give you a list, by and large with information about what makes the near sense to invest in," she said. (Don't await; I chosen mine weeks ago and the soonest they could come is mid-August.)

Insulation is key year-round

All those beautiful photos you lot can detect on Pinterest of glorious exposed rafters even so, insulation is a must, Urbankek said. She lives in a century-old house herself, and although "it'southward not something fun to spend coin on — even every bit somebody who knew this was the right thing," adding insulation to the walls and cranium was one of her beginning priorities. "It'due south not as fun as new countertop simply information technology volition salve you money and make you more comfortable in your house."

How exactly does insulation work? "The mode thermodynamics work is rut flows from a hotter place to a libation identify," Urbanek explained. "Not having insulation means heat is seeping into your house and your air conditioner is having to work a lot harder."

Or, to apply the words of the insulation contractor who came to our firm to take thermal images, "heat is screaming in through your ceiling."

When and how to run your air conditioner

It's an age old fence: is it better to leave your air running all day so the house stays cool and information technology doesn't have to work so hard to go back down to a comfortable temperature? Or should you ready your thermostat a few degrees higher when you're not home?

It'due south all most equilibrium, Urbanek said. "Oestrus is going to flow from a hotter environment to a cooler ane. So in this instance the heat will desire to come up from outside into your nice cool house. If you set up your thermostat higher so it'southward warmer in solar day there's going to be less air catamenia. If information technology's 85 out and you lot set information technology to 65, the air conditioner has to piece of work harder. Now if yous fix information technology to 78 during the mean solar day and ready it back [lower] when you get domicile it may have to piece of work a little harder and run longer ... but at the aforementioned fourth dimension information technology'due south not going to be running all day."

This too speaks to importance of a programmable thermostat, she said. "That allows you to gear up your temperatures and forget about information technology." This is another surface area to check with your utility company to see if they have thermostat rebates, she said. Of class what's really nice is a wifi thermostat you tin can control with your telephone so you can cool your house before you get back home.

The same rule of thumb applies with window unit air conditioners, Urbanek said. Turn them off or to a higher temperature while y'all're gone. I've learned that the hard way when letting a cooling arrangement run too hard for too long (a new mini carve up in my third flooring in a typical Kentucky summer) fried the fan motor. (Yes, I'm getting new insulation.)

How to shop for an A/C unit

What if you have a window unit of measurement that can't keep up? "You lot may not have a correctly-sized unit for your room," said Daguillard. Tempted to go big? "An oversized air conditioner is actually less effective — and wastes energy at the same time. Air conditioners remove both heat and humidity from the air. If the unit is too big, it will cool the room chop-chop, only only remove some of the humidity. This leaves the room with a damp, clammy feeling."

And of class look for an ENERGY STAR certified air conditioner. They use ten% less energy, and on boilerplate, cost $70 per year to run, Daguillard said. And then be sure the unit is installed correctly. "An improperly installed room air conditioner leaks as much air as a 6 square inch hole, increasing energy costs and making your abode less comfortable," he said.

A amend style to trounce the heat

One of the simplest solutions of all, Urbanek said, is to focus more on what the air feels like than the actual temperature. "If you accept ceiling fans make certain y'all're using them — and the right way, making sure the management is set correctly. As yous're standing nether information technology looking up, it should exist running counterclockwise … it pulls cooler air from basis and blows it back on you." Only the air from the fan "on your skin tin make a room experience ten degrees cooler," she said. And no need to run it if the room is empty, she added. "It does zippo but utilize energy."

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Source: https://www.nbcnews.com/better/business/how-keep-your-house-cool-without-running-your-utility-bill-ncna887321

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