While insulated vinyl siding has one of the highest R-values out there, there are a few alternatives worth considering. When paired with a layer of insulation, manufactured stone veneer has an R-value of 4.5. Composite siding also provides good insulation with an R-value of 2 to 4. 

You should plan to stain or refinish your home's cedar siding every three to seven years to maintain its appearance and provide maximum protection, though some estimates suggest a range of four to six years. The exact frequency depends on several factors, including your local climate, exposure to severe weather like direct sunlight, rain, and wind, the quality of the initial stain application, the type of stain used, and the overall condition and quality of the wood.

For homes in harsh climates with high humidity and significant sun exposure, you should plan on staining as often as every three years, while those in milder locations may only need to do so every seven years. For the longest-lasting protection in particularly harsh climates, consider using an opaque stain.

If you are looking for a lower-maintenance alternative, you might consider vinyl or aluminum siding. While the initial installation cost can be higher, they do not require as much upkeep and can offer more value over time, especially in areas with excessive rainfall or high humidity.

The average cost to install stucco siding on a home is around $5,700, with most homeowners paying between $2,200 and $9,100. However, the total cost can range from $750 to as high as $22,750 depending on several factors. On average, you can expect to pay between $7 and $9 per square foot. Key cost factors include the size and complexity of your home, the desired color and texture, labor and material costs in your area, and whether you have a multi-story home. Specific applications have different costs, such as adding stucco over brick ($7 per square foot) or over wood siding ($8.50 per square foot). To save money, you can consider removing the old siding yourself or scheduling the installation during the off-season.

The lifespan of siding ranges from 20 to over 100 years, depending heavily on the material, climate, quality of installation, and maintenance.

• Vinyl, Wood, and Aluminum: Typically last 20 to 40 years. Engineered wood may need replacement after just 20 years.

• Fiber Cement: Lasts around 50 years.

• Brick and Stone: These are the most durable, lasting for a century or more with proper care.

The longevity of any siding can be shortened if it's not properly maintained or if damage is not repaired promptly. Regular cleaning is vital. It's time for a replacement when you see widespread damage, signs of water intrusion, or a spike in energy costs.