Taipei’s pain point of being wet and cold in winter: Why is the heating and cooling system not enough?
In the greater Taipei area, many homeowners often turn on the heating function of their air conditioners when facing the cold wave in winter. However, because the hot air has a lower density and will rise automatically, the hot air blown out often gathers near the ceiling, causing "the head to feel hot and groggy, but the feet are still cold." In addition, the dry hot air blown by the air conditioner will take away the moisture from the human skin and make people feel dry. On high floors of buildings or in areas close to mountainous areas (such as Xindian Huacheng, Linkou Terrace, Beitou, etc.), the high humidity in winter doubles the feeling of coldness, and the floors feel freezing to the touch. In order to pursue comfort that is more in line with human body fluid mechanics, "Underfloor Heating" is popularly installed in residences at home and abroad (especially in Japan, Europe, America and Northern China), which uses radiant heat rising from the feet (foot warm and top cool) to achieve a warm and humid heating effect.
Physical classification of floor heating systems: water heating circulation vs. electric heating
Floor heating systems are mainly divided into two physical camps. There are fundamental differences in heat source conduction and construction methods:
1. Water floor heating system (hot water circulation):
1. In pressure-resistant hot water pipelines, the floor is heated by closed circulation of hot water in the pipelines.
2. It has uniform and gentle heat dissipation, no electromagnetic waves, and under long-term operation in a large area (such as more than 30 square meters), it has the highest energy consumption efficiency and saves subsequent operating costs.
3. The diameter of water floor heating pipes is relatively thick (about 16mm-20mm), and thermal insulation boards must be laid under the pipes (to prevent heat from being conducted downward). After the pipes are installed, cement mortar backfilling (leveling layer, about 3-5 cm thick) must be carried out. This will cause the entire floor to be "raised by 6 to 8 centimeters", which will have a significant impact on the clear ceiling height and significantly increase the building's load-bearing capacity. It is more suitable for pre-sale housing or rough housing construction.
2. Electric floor heating system (heating cable, electric heating film):
1. Directly utilize the heating cable buried under the floor (usually arranged under the bathroom tiles) or the ultra-thin electric heating film (configured under the wooden floor) to generate resistance heat through current to heat the floor.
2. The body is very thin (the thickness of the electric heating film is usually less than 1mm, and the outer diameter of the cable is about 4-6mm). Construction is very fast and does not affect the floor height very much (usually only 1-2 cm). The heating speed is fast (you can feel it in half an hour to one hour), and no pipeline maintenance is required.
3. The electricity bill for later operation will be more expensive, so it is suitable for local installation in small areas (such as bathroom moisture-proof foot warmers and master bedrooms).
Floor heating electricity bill analysis: Will it go bankrupt if you drive it for a whole day?
Many homeowners worry that after installing electric floor heating, their electricity bills will be exorbitantly high. We take the installation of "electric floor heating" in a 10-square-meter master bedroom in Taipei as an example to calculate the energy consumption:
- In Taiwan's climate, the floor heating power configuration per square meter is approximately between 400W and 500W. The total power for a 10 square meter living room is approximately 4,500W (4.5 kW).
- Floor heating is equipped with an intelligent temperature control panel. When the temperature reaches the set value (such as 26°C), the system will automatically stop heating and only replenish heat when the temperature drops. The actual heating time is only about 30% to 50% of the boot time.
- Assuming it is turned on for 8 hours a day, the actual power consumption is approximately 4.5 kW x 8 hours x 40% operation rate = 14.4 kWh. Based on the average electricity consumption of ordinary residential buildings in Taiwan at NT$4 per kilowatt hour outside the summer, the daily electricity bill is approximately NT$ 58, which adds up to approximately NT$ 1,740 per month. This is almost the same as the energy consumption of a high-end heater or multiple electric heaters, and is completely within a reasonable range.
The construction budget per square meter of floor heating systems in Shuangbei
In the greater Taipei area, the cost of building a floor heating system is usually calculated in "square meters (paved area)". The following is the latest market price in 2026:
* The market price for continuous work and materials is about NT$ 5,500 to NT$ 9,000 / ping, construction is extremely fast, one bedroom is usually completed in 1 day.
* Since it involves cement mortar backfilling and moisture-proof priming, the cost of strip materials is about NT$ 7,500 to NT$ 13,000 / square meter.
* Due to the need for a complete heat source host, it is not cost-effective to construct a small square meter. It is usually suitable for more than 30 square meters, and the cost of each square meter is about NT$ 12,000 to NT$ 20,000.
[Dedicated circuit budget for water and electricity]
No matter which type, the floor heating system must be equipped with a 220V dedicated circuit (taking 10 square meters and 4.5 kW as an example, 5.5mm² wires and 30A NFB are required). The salary for this part of dedicated water and electricity wiring is approximately between NT$ 5,000 and NT$ 12,000.
Commercial acquisitions and businessmen’s long-term asset thinking: The commercial value of floor heating in property appreciation
For commercial businessmen who specialize in buying and renovating houses in Shuangbei for resale (flip) or high-end leasing, The greater Taipei area has rainy and humid winters, and bathrooms are prone to mold and slipping. It costs about 20,000 yuan to install floor heating under the main bathroom floor (laying 1.5 square meters of heating cables). It can not only achieve perfect bathroom moisture-proofing and keep the floor dry, but also give buyers an impactful "luxury warm experience" when viewing the house in winter. The businessman advertised the property as "a healthy house with no humidity or cold in Taipei's wet and cold winter". This small cost (20,000-30,000 yuan) can be magnified into and significantly increase the sale speed of the property. It is an excellent example of a small investment that goes a long way in commercial decoration investment.
New knowledge on air-conditioning power consumption and Taiwan climate maintenance regulations in recent years (2025-2026 current situation)
With the high temperatures in summer breaking historical records and the adjustment of electricity price structure in recent years, the latest statistics from the Energy Administration of the Ministry of Economic Affairs show that air-conditioning equipment accounts for more than 47% of residential electricity consumption in summer. Many people mistakenly believe that if the air conditioner is not cold, they only need to "replenish the refrigerant." However, in fact, refrigerant is not naturally consumed during normal operation in a closed circuit. If the refrigerant is insufficient, it means that there are micro leaks in the copper pipes or joints. Simply replenishing the air conditioner will only treat the symptoms but not the root cause. Refrigerant leakage will aggravate the high temperature overload of the compressor and shorten its service life.
According to Taiwan's standard operating specifications for air-conditioning projects, it is recommended that professional technicians with a refrigeration and air-conditioning decoration technician license perform "full machine high-pressure water washing and evaporator deep sterilization" every 1 to 2 years for detached air-conditioning indoor units. Especially in the humid summer in the Shuangbei Basin, the air drum and water collection tray are easy to breed black mold and jelly-like biofilm. This is also the main reason for the sour smell in the air-conditioning outlet and the backflow of the drainage pipe. Regular maintenance can maintain CSPF (Air Conditioning Seasonal Performance Factor) level one energy efficiency level, which can save an average household 15% to 20% of air conditioning electricity bills every year.
Autonomous simple maintenance vs professional maintenance safety red line
- Homeowners can do by themselves: Remove and clean the nylon filter regularly every 2 to 3 weeks (rinse with clean water and dry in a cool place, do not expose it to the sun to avoid deformation and embrittlement); clean the air outlet blades of the indoor unit with a dry cloth; check whether there is any accumulation of debris within 50 cm around the outdoor unit that hinders heat dissipation.
- Professional technicians must be entrusted according to regulations: Refrigerant pressure testing and leakage repair welding, high-pressure cleaning of indoor unit air drums and aluminum fins with liquid chemicals, reset of the drainage slope of hidden cold water pipes in the ceiling, and 220V dedicated power circuit configuration and leakage circuit breaker replacement.
