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Home Guides for Thailand: Aircon, Electricity, Land, Paint and More

Practical guides for living in and fixing up a home in Thailand. Each one explains the numbers and links to a free calculator.

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Moving Into a Rental in Thailand: A Practical Home Checklist

What to check in a Thai condo or house rental before and after you sign: electricity rate, aircon size and servicing, water tank and pump, sun, air quality and deposit photos.

Cooling and air

What Size Aircon Do I Need in Thailand? BTU by Room Size

A Thailand-adjusted BTU table for rooms in square metres and square feet, with room-by-room checks before choosing an aircon.

Electricity Cost in Thailand 2026: Price per Unit, Condo Bills and Aircon Costs

Official Thai household electricity rates from September 2026, how a tiered bill works, what to check if a rental rebills electricity, and an illustrative aircon cost.

What Size Air Purifier for Thailand's PM2.5 and Burning Season?

Size an air purifier by room volume, not floor area. How much CADR you need for a condo bedroom, how to read cfm vs m³/h, and how to prepare for smoke season in Bangkok and Chiang Mai.

How Many Curtain Panels Do I Need? Measuring Curtains for a Thai Condo

Work out curtain panels from your rail width and fullness, avoid the most common double-counting mistake, and choose blackout curtains for Thai afternoon sun.

Land and measurements

Rai, Ngan and Square Wah to Square Metres: Thai Land Size Explained

1 rai = 1,600 m². How to read Thai land sizes like "2-1-50", convert rai to acres and hectares, and compare land prices quoted per square wah.

Renovation materials

How Much Paint Do I Need? Thai Paint Can Sizes and Coverage

How to read litre and gallon sizes on paint cans in Thailand, a worked bedroom example, and what to check about coverage and tinting.

How Many Tiles per Square Metre? Buying Floor Tiles in Thailand

Tiles per m² for common sizes, how much extra to buy, how Thai tile boxes are labelled, and a worked example for a 20 m² room with 60 × 60 cm tiles.

Building and renovation

How Much Concrete Do I Need? Cubic Metres, Bags and Ready-Mix

Work out concrete in cubic metres for a slab, path or post holes. A thickness table, a 4 × 3 m patio example, and how to decide between bagged mix and a ready-mix truck in Thailand.

How Many AAC Blocks per Square Metre? Q-Con, Concrete Block and Clay Brick

Why AAC (lightweight) block counts are quoted as 8.33 per m² but calculators give 7.81, a table for common Thai wall units, and a worked example for a 5 × 2.4 m wall.

How Much Roof or Ceiling Insulation Do I Need? A Thai Home Guide

Upstairs rooms that stay hot at night often point to a hot roof space. How to measure a ceiling for insulation, turn the area into whole packs, and what to check before buying.

Water and solar

What Size Water Tank for a House in Thailand?

Many Thai homes rely on a storage tank and pump. Size yours from household size or your water bill, with a table for 2–6 people and what to check before installing.

Is Rooftop Solar Worth It in Thailand? 5 kW Output, Savings and the 2026 Scheme

How much a 3, 5 or 10 kW system produces, why power you use yourself is worth more than power you sell back at 2.20 baht, and the key rules of Thailand's 2026 residential solar scheme.

Power cuts and backup

Battery Backup for Power Cuts in Thailand: How Long Will It Last?

Size a home backup battery from the watts you need and the hours you want to cover. Why a 5 kWh battery doesn't give 5 hours at 1 kW, and why backing up an aircon gets expensive.

What Size Generator for a House in Thailand? Running vs Starting Watts

Size a portable generator from simultaneous running and starting watts, including a possible pump surge, then check the electrical and carbon-monoxide safety requirements.

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