Blog

Learn why your Della mini split may not heat in extreme cold and how to defrost it effectively. Get tips for optimal winter performance and troubleshooting.

Is your air conditioner draining too much water? Discover common causes of excessive water drainage and effective solutions to keep your AC running smoothly. Learn more now!

Learn essential air conditioner maintenance tips for mini splits, window units, portable ACs, and central systems to improve efficiency and extend lifespan.

Find the best portable air conditioner for bedrooms, offices, and large rooms in Della's top picks in 2024. Shop and buy the right portable air conditioner from Della now!

Learn how to clean AC coils effectively with our step-by-step guide. Discover expert tips to boost cooling performance, lower energy costs, and extend the lifespan of your AC unit.

Trouble with your air conditioner fan not working? Learn simple steps to fix it now! Get troubleshooting tips and maintenance advice to get your AC running again!

Compare heat pump vs furnace systems to find the best option for your home. Discover pros, costs, efficiency, and ideal climates for each, plus Della’s top-performing models.

Learn how many mini splits you need for efficient climate control in every room. Our guide explains single vs. multi-zone options, room-by-room coverage, and tips for whole-house mini split systems.

Wondering if mini splits provide fresh air? Discover how mini splits improve indoor air quality by filtering dust and allergens while circulating indoor air. Learn why fresh air ventilation might...