If you're renting or buying a home in Mexico, you'll quickly discover that gas works differently from most countries — and knowing the system saves you confusion and money.
The vast majority of Mexican homes run on LP gas (a propane-butane mix known locally as Gas LP) for cooking and heating water. Electric induction hobs are creeping in, but gas-fired boilers remain the near-universal way to get hot showers. Mains-fed natural gas exists, but only in a limited number of cities — notably Mexico City, Guadalajara and Monterrey — and not in every neighbourhood there.
For everyone else, gas arrives in one of two ways. Stationary tanks, mounted on the roof or elsewhere outdoors, are topped up by a tanker truck with a long hose that can reach a second or third-storey roof. These come in 100-litre (small bungalows) up to the common 300- and 500-litre sizes, and larger properties can chain tanks together. A pressure gauge shows the fill level as a percentage — if your 300-litre tank reads 10, it holds roughly 30 litres. Gas is sold by the litre; check the tank gauge roughly matches what the driver's bill claims, and keep cash handy since some truck card terminals don't always work. A tip for the operator is expected.
The alternative is portable cylinders, common in rural areas and rentals. These are sold by weight in 10kg (really only good for BBQs and camping), 20kg, 30kg and 45kg sizes, and the driver swaps your empty cylinder for a full one. There's no gauge — tap the tank and a deeper tone means more gas, or watch your hob flame dwindle. The maths: one kilo of LP gas equals about 1.69 litres, so a 30kg tank holds roughly 50 litres. Keep at least two cylinders with a dual-port regulator so you can switch over when one empties. You'll pay a one-time deposit for cylinders; keep the receipt or you'll forfeit the deposit if you ever return them.
Deliveries run daily except Sundays and public holidays, though most people simply phone a local supplier to arrange a visit.
One trap for newcomers: virtually all gas appliances sold in Mexico are factory-calibrated for LP gas. US imports and any switch to mains natural gas will need a technician to recalibrate your hob, oven and water heater, because methane behaves differently from LP gas.
Why it matters: this is the kind of practical detail that makes or breaks a longer stay. Anyone renting an Airbnb for a month, house-sitting, or relocating to Mexico will deal with gas at some point — a cold shower or a hob that won't light mid-dinner is usually a tank issue, not a broken appliance. Expats and long-stay travellers are the clear audience here; short-break tourists staying in hotels can skip it. But if Mexico is on your list for a slow winter base or a retirement scouting trip, understanding tanks, deposits and delivery etiquette is genuinely useful.
