Medisana HP405 vs HU665: Heat Pad or Heated Underblanket?

Choosing between Medisana HP405 and HU665 is not about which product is universally “stronger” or “better.” They are designed for different jobs. HP405 is a compact electric heat pad for localized warmth, while HU665 is a heated underblanket designed to lie flat on the mattress beneath the bed sheet.

HP405 vs HU665 comparison table

These specifications are model-specific and are based on Medisana’s official information. They should not be generalized to every heating pad or electric underblanket.

HP405: when a localized heat pad makes more sense

The Medisana HP405 is designed for localized warmth. Its 30 × 40 cm surface, 100 W power rating, three heat settings, overheating protection and 90-minute automatic shut-off make it suitable when you want to warm one defined area rather than an entire bed.

• Localized warmth for the back, abdomen or legs.
• Compact size that is easy to move around the home.
• Three heat levels.
• Automatic shut-off after approximately 90 minutes.
• Removable controller for care and washing according to the instructions.

HP405 is not a sleeping pillow and should not be folded, compressed or placed under body weight. For detailed use and care, read the Medisana HP405 user guide.

HU665: a heated underblanket, not a cover blanket

The Medisana HU665 is technically a heated underblanket. It is designed to lie flat on the mattress with the bed sheet placed above it. It is not intended to be wrapped around the body or used as a top blanket.

• Three heat settings.
• Automatic shut-off after approximately 180 minutes.
• Overheating protection.
• Approximate size of 150 × 80 cm.
• 60 W power rating.
• Washable up to 30°C after removing the controller, according to the manufacturer.

If your goal is to warm the sleeping surface rather than one small area of the body, HU665 is the closer fit. See the Medisana HU665 user guide for setup, washing and safety details.

Heat pad vs electric blanket: what is the practical difference?

Before comparing price, first decide where you want the heat:

• One defined body area: a heat pad such as HP405.
• The bed surface: a heated underblanket such as HU665.
• An electric cover placed over the body: that is a different product category and should not be assumed to describe HU665.

This distinction matters because retailers sometimes use “electric blanket” as a broad label for several different heating products, even when the correct usage method is different.

Does 100 W make HP405 better than the 60 W HU665?

No. Electrical power alone is not a useful ranking metric here because the dimensions, design and heating purpose are different. HP405 concentrates heat over a smaller area, while HU665 spreads warmth across a much larger bed surface.

Choose according to the intended use, coverage area, heat controls and safety instructions rather than wattage alone.

Which model switches off sooner?

HP405 switches off automatically after about 90 minutes. HU665 switches off after about 180 minutes. These are safety features, not recommendations to run either product for the full maximum time every time it is used.

Can HP405 and HU665 be washed?

Both models can be cared for according to the manufacturer’s instructions after the controller is disconnected. HU665 is listed as washable up to 30°C, while HP405 is washable because its controller can be removed. Do not reconnect either product until it is completely dry.

Which one is more appropriate for the back?

If the goal is localized warmth on the back, HP405 is more closely designed for that use. HU665 is designed to warm the bed surface, not to be folded or secured directly around the back.

Medical note: warmth may feel comfortable for some users, but these products are not presented here as treatment for the underlying cause of back pain. Persistent pain, weakness, numbness or unusual symptoms require appropriate medical assessment.

Which one is more closely associated with bedtime use?

HU665 is designed around the bed environment, but that does not mean the instructions can be ignored during sleep. Follow Medisana’s safety guidance, particularly for children, older adults and people with reduced heat sensation or circulation problems.

HP405 is not a sleeping pillow and should not be used while folded or under direct body pressure.

Choose according to your actual need

Price and availability in Egypt

Prices and stock can change, so this comparison does not hard-code a price. Browse the heating products category for current availability and open the exact model page before purchasing.

Frequently asked questions

Is HU665 a blanket that goes over the body?

No. It is a heated underblanket designed to lie on the mattress beneath the bed sheet.

Can HP405 heat the whole bed?

No. Its 30 × 40 cm format is intended for localized warmth, not full-bed coverage.

How many heat settings do both products have?

Both provide three heat settings.

What is the official article number for HP405?

61003.

What is the official article number for HU665?

60217.

Does a higher wattage automatically mean a better heating product?

No. The products perform different jobs and cover different areas, so wattage alone is not a meaningful quality ranking.