The average hotel night produces 35 kg of CO₂. IMPT funds 1 ton of UN-verified carbon removal on every booking — same price as direct, paid from our commission.
CO₂ produced by one hotel night, on average.
UN-verified CO₂ removed by your booking.
Of the per-night footprint — removed, not avoided.
Booking Balthazar Hotel & Spa Rennes MGallery Collection through IMPT gets you a discounted rate — around 10% below the direct price on most listings — plus free cancellation and 1 ton of UN-verified CO₂ removal per booking. The discount is applied automatically at checkout. No code to copy.
Balthazar Hotel & Spa Rennes MGallery Collection is a 5-star hotel in Rennes, France, bookable through IMPT's carbon-neutral hotel programme. Every booking removes 1 ton of UN-verified CO₂ from the atmosphere — physically extracted under United Nations carbon frameworks, retired on-chain, and paid from IMPT's commission at no extra cost to the guest. On-site facilities include Free Wifi, Non smoking rooms, Fitness Center, Parking, Restaurant(s), Wifi.
That makes Balthazar Hotel & Spa Rennes MGallery Collection one of the genuinely eco-friendly, sustainable, and climate-positive stays available in Rennes. The carbon-removal model used here differs from conventional offsets in three ways: removal credits are physically pulled from the atmosphere rather than representing avoided emissions; every retirement is recorded on a public blockchain so the credit can't be resold or double-counted; and verification is handled under UN frameworks — the most rigorous standard available.
Travellers searching for an eco hotel, green hotel, sustainable accommodation, or net-zero stay in Rennes can book Balthazar Hotel & Spa Rennes MGallery Collection at the same rate as direct (often less), with free cancellation on most rooms and a discounted price applied automatically at checkout. The IMPT booking is rate-matched against Booking.com and Hotels.com — the green angle never costs you extra. Browse other carbon-neutral hotels in Rennes →
19 Rue Marechal Joffre, Rennes, France
IMPT funds UN-verified carbon removal — physically pulled from the atmosphere, not a credit that might be resold.
The carbon removal comes from IMPT's commission. You pay the same as Booking.com or Hotels.com — often less.
Every tonne is retired on-chain and listed publicly. UN-framework aligned. No double-counting.
Same rate as any other platform — often cheaper. Pick dates, hit Book Green, done in 60 seconds.
Funded from IMPT’s commission. Real projects. Real carbon pulled from the atmosphere — UN-verified.
Every tonne is retired on-chain — project, location, verification body, immutable. No double-counting.
Most hotel "carbon-neutral" programmes use cheap avoidance offsets — credits that have been over-counted, double-sold, or untraceable. IMPT only retires UN-verified removal credits, the most rigorous independent standard available, and records each retirement on-chain so the credit can never be resold.
Sustainability, booking & policies, and what's on site — answered. Filter by topic or search for a keyword.
Yes. Every booking of Balthazar Hotel & Spa Rennes MGallery Collection through IMPT funds 1 ton of UN-verified CO₂ removal — physically pulled from the atmosphere, retired on-chain, no double-counting. That's about 28× the per-night footprint, fully removed at no extra cost to the guest.
Balthazar Hotel & Spa Rennes MGallery Collection is bookable through IMPT's green hotel programme: every stay funds 1 ton of UN-verified carbon removal, the booking is rate-matched or cheaper than direct, and the property's residual emissions are offset against measured atmospheric removal — not avoidance offsets.
Sustainable hospitality has four pillars — energy, water, waste, community. Balthazar Hotel & Spa Rennes MGallery Collection is part of IMPT's green programme, and the residual carbon footprint of every stay is fully removed via UN-verified projects. Property-specific certifications (LEED, Green Key, EarthCheck) are listed on the page when available.
Every credit IMPT retires is independently audited under United Nations carbon frameworks — the most rigorous standard available. Each tonne removed by a booking at Balthazar Hotel & Spa Rennes MGallery Collection is publicly trackable on-chain at app.impt.io/projects. No double-counting, no avoidance credits.
Removed. Most travel programmes buy avoidance offsets — certificates representing emissions someone promised not to produce. IMPT funds physical removal credits under the UN framework. The CO₂ is actually pulled from the atmosphere, the credit is retired on-chain, and it can't be resold.
No. You pay the same rate as direct — often less. The 1 ton of CO₂ removal is funded from IMPT's commission, not added to your bill. Free cancellation is available on most rooms.
Each booking funds 1,000 kg (1 ton) of UN-verified CO₂ removal — the equivalent of about 45 trees grown for a year, 79 days of driving avoided, or one return flight London→New York fully neutralised.
Yes — booking Balthazar Hotel & Spa Rennes MGallery Collection through IMPT applies a discounted price (around 10% below the direct rate on most listings) and every booking funds 1 ton of UN-verified CO₂ removal at no extra cost. The discount is applied automatically at checkout.
Most rooms at Balthazar Hotel & Spa Rennes MGallery Collection include free cancellation. Refundable rates are clearly marked at checkout. Cancellation deadlines are shown per room before you confirm.
Guests rate Balthazar Hotel & Spa Rennes MGallery Collection 9.3/10 — exceptional. Based on verified reviews from guests who stayed at the property.
Balthazar Hotel & Spa Rennes MGallery Collection is in 19 Rue Marechal Joffre, Rennes, France. Coordinates: 48.1081, -1.6778.
Standard check-in at Balthazar Hotel & Spa Rennes MGallery Collection is from 15:00 and check-out is by 11:00 local time. Early check-in and late check-out may be available on request.
Balthazar Hotel & Spa Rennes MGallery Collection has 56 Hotel. Room types are shown at booking with live availability.
Yes — Balthazar Hotel & Spa Rennes MGallery Collection offers WiFi for guests. Coverage usually extends to all rooms and public areas.
Yes — Balthazar Hotel & Spa Rennes MGallery Collection offers parking for guests. Where the property has electric-vehicle chargers or eco-parking incentives, that's noted at checkout.
Breakfast is offered at Balthazar Hotel & Spa Rennes MGallery Collection. Many of IMPT's green hotels source ingredients locally — check the room options at booking for whether breakfast is included with your rate.
Yes — Balthazar Hotel & Spa Rennes MGallery Collection welcomes pets. Pet policy and any associated fees are confirmed at booking.
Yes — Balthazar Hotel & Spa Rennes MGallery Collection has a fitness facility for guests. Access hours are shown on the property page.
Yes — Balthazar Hotel & Spa Rennes MGallery Collection has spa or wellness facilities. Treatments and booking details are confirmed on arrival.
Verified outbound sources for travellers. Last verified: 29 March 2026.
Same hotel. Same price. 1 ton of CO₂ physically removed per booking. UN-verified, on-chain retired.
