Net-zero hotels: Six of the best stays for travelers who prioritize


Editor’s Note — Monthly Ticket is a CNN Travel series that spotlights some of the most fascinating topics in the travel world. In November, we’re checking into the world of hotels and resorts.
(CNN) — As we wrap up the final months of 2022 and look ahead to a new year, there’s a buzz phrase that’s gaining steam in the world of sustainable travel: net-zero hotels. In other words, accommodations that are powered entirely by renewable energy sources.
As big hotel groups move at a sluggish pace in reducing carbon emissions, a few smaller players are taking the green lead and tackling the climate challenge head-on, boldly committing to a net-zero future well ahead of government targets.

Forget carbon neutral. Soon that term will be passé. Net-zero goes much further than simply paying someone else to offset emissions while still relying on fossil fuels for heating and cooling.

Here’s a look at six hotels and resorts that are leading the way.

room2 Chiswick, London

London's room2 Chiswick has a biodiverse green roof that absorbs CO2.

London’s room2 Chiswick has a biodiverse green roof that absorbs CO2.

room2

Recognizing the climate crisis, room2 owner Robert Godwin spent two years planning a “whole life” net-zero hotel.

That means shredding the carbon footprint from construction through to running the hotel, which opened in late 2021.

“The result is a hotel that is predicted to be 89% more energy-efficient and shows what can be done.”

Clearly, net-zero energy doesn’t mean net-zero luxury.

At first glance, it might seem like just another design hotel, with its terracotta floors, pendant lights, and lush red velvet bar stools.

Giveaways include the power sensors in rooms and a host of invisible elements like a ground source heat pump, water-saving fixtures, and a ‘blue roof’ that converts rainwater into energy. A biodiverse green roof uses 200 tons of soil and wildflowers aimed to absorb CO2.

room2 Chiswick, 10 Windmill Rd, Chiswick, London, United Kingdom; +44 20 3988 0220

Wren Urban Nest, Dublin

Tucked down a quiet street between Temple Bar and Trinity College, this newcomer declares itself “Dublin’s most sustainable place to stay.”

The capsule hotel with 137 pod rooms or “nests” was designed “using advanced carbon reduction technologies,” says architect Michael Mullen.

“The ventilation system captures 81% of rejected heat using a thermal wheel and heats incoming fresh air for free,” he adds.

That energy is also used for hot water, while the hotel kitchen snubs gas. Water conservation and low-loss fittings make water demand “approximately 60% lower than a typical hotel”.

Peep in and you will quickly realize that ditching carbon offsets doesn’t put a dint in design. Scandinavian minimalism — wood, wicker lights and natural hues — meet Irish textiles and furniture, and abundant greenery.

“Cosy” and “Snug” bedrooms, just 9.5-12 square meters (102-129 square feet), pack in “compact luxury” with amazing energy efficiency. But that doesn’t rule out Chromecast and lightning-fast WiFi. Or handmade soaps, locally crafted mugs and rugs, and roasted coffee.

Comfort Hotel Solna, Sweden

In June 2021, Scandinavia welcomed its first certified “zero-energy” hotel. The 336-room Comfort Hotel Solna lies a few miles north of central Stockholm.

The angular building sports 2,500 square meters of colorful solar cells, making it “the world’s most photovoltaic-dense.”

“We generate enough solar power to send a Tesla around the world 50 times!” the hotel boasts on its website. And more than its annual energy needs.

“Nothing is left to chance,” says owner Petter Stordalen. “The elevators charge when they go down to power the ascent. The building is cooled and heated by heat pumps that fetch energy from borehole bearings (underground thermal energy storage).

From the maritime-themed rooms to industrial-chic Barception (the bar-reception), this “energy-smart” hotel shows off Nordic design while being relatively easy on the wallet. The light-filled space is fitted with wood, raw steel, earthy colors, and Bakelite bowl suspended lighting.

Boutiquehotel Stadthalle, Austria

A sustainable oasis in the heart of Vienna.

A sustainable oasis in the heart of Vienna.

Tina Herzl/Boutiquehotel Stadthalle

Long before hotels began touting their net-zero virtues, it turns out there was a true zero-emissions pioneer in Vienna.

In a restored turn-of-the-century house surrounded by solar panels and garden beds, the 79-room Boutiquehotel Stadthalle has been running on solar power and other renewables since 2009.

“A zero-energy balance may not sound sexy for a hotel,” says owner Michaela Reitterer. “But our guests think it is. About 70% stay because of our ‘green at heart’ vision.

“We generate as much energy in a year with a groundwater heat pump, solar panels and photovoltaic technology as we consume. Excess goes into the grid and sometimes in peak seasons, we source surplus…



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