Late July heat is building, and August will only get hotter. Now’s the time to upgrade your home cooling before the worst days hit.

From August 1 to 7, Della Day is back with 15% off sitewide. It's your best chance this season to save on total home comfort.

To make shopping easier, we’ve pulled together this guide featuring the top products worth checking out during the sale.

Need to Cool Just One Room?

Whether you need a comfortable home office, peaceful bedroom cooling, or relief in your main living area, these single-zone units target exactly where you need them.

Best for Home Offices & Small Spaces

Product Pick: DELLA Vario Series 9000 BTU 19 SEER2 Mini Split AC

Working from home in a stuffy room kills productivity. This ductless system transforms your workspace into a comfortable haven year-round.

Why You'll Love It:

• Compact Room Comfort: Works well in spaces up to 400 sq. ft.—great for offices, guest rooms, or nurseries.
• All-Season Use: Handles heating, cooling, and moisture with one system, powered by a dependable heat pump.
• Energy Efficient: Rated 19 SEER2 to help lower your energy bills without sacrificing comfort.
• Smart Control Options: Use your phone or the remote to set the temperature, mode, and fan speed in seconds.

Best for Living Rooms & Master Bedrooms

Product Pick: DELLA Motto Series 12000 BTU 20 SEER2 Mini Split AC

Your family gathers in the living room, but uneven temperatures drive everyone to different rooms. This 12,000 BTU unit keeps everyone comfortable together.

Highlights:

• Mid-Size Coverage: Keeps rooms up to 550 sq. ft. comfortable with 12,000 BTU of heating and cooling.
• Efficient Operation: A 20 SEER2 rating delivers strong results while helping reduce your electric bill.
• Year-Round Functionality: Switch between heating, cooling, and dehumidifying as the seasons change.
• Eco-Friendly Cooling: Uses R-32 refrigerant for a lower environmental impact.
• Simple Smart Control: Adjust settings from your phone or use the included remote—whichever’s easier.

Best for Maximum Energy Savings

Product Pick: DELLA Optima Series 12000 BTU 23 SEER2 Mini Split AC

Want maximum savings without sacrificing comfort? This ultra-efficient unit slashes cooling costs while adding smart home features.

What Stands Out:

• Top-Tier Efficiency: 23 SEER2 and Energy Star certified to help cut down your monthly energy use.
• Smart Home Integration: Works with Alexa, WiFi, and includes GEO Fence tech through the Della+ app.
• Built for Durability: Anti-corrosion FIN coating extends the life of your system.
• Industry-Leading Protection: Your investment is safe with a 5-year parts and 10-year compressor limited warranty, giving you ultimate peace of mind.

Want Whole-Home Cooling?

Looking to cool every corner of your home without multiple outdoor units cluttering your yard? Our multi-zone systems solve this perfectly.

Best for Two Rooms

Product Pick: DELLA Vario Series 18000 BTU Dual Zone Mini Split AC

Stop fighting over the thermostat. This dual-zone system lets your bedroom stay cool for sleeping while the living room stays warmer for TV watching.

What It Offers:

• Two-Room Solution: Two 9,000 BTU units handle different temperatures in separate spaces.
• Coverage: Cool up to 800 sq. ft. total, perfect for apartments or smaller homes.
• Efficiency: 19 SEER2 rating cuts electric bills while keeping both rooms comfortable.
• Smart Control: Adjust each room from your phone or use individual remotes.

Best for Whole-Home Zones

Product Pick: DELLA Vario Series 27000 BTU Tri Zone Mini Split AC

Three rooms, three temperatures, one outdoor unit. This system ends the battle between family members who run hot or cold.

What It Offers:

• Three-Zone Coverage: Three 9,000 BTU units create personalized comfort zones.
• Large Capacity: Handles 1,200 sq. ft., ideal for whole-home comfort.
• Energy Savings: A 19 SEER2 rating means lower bills despite cooling more space.
• Independent Control: Each room gets its own temperature setting via app or remote.

Best for a Sleek, Hidden Look

Product Pick: DELLA 27000 BTU Tri-Zone Ceiling Cassette Mini Split AC (9K+9K+9K)

Want the power of a tri-zone system without the look of wall-mounted units? This ceiling cassette system blends seamlessly into your ceiling, offering a discreet yet powerful climate solution for up to three rooms while preserving your wall space for art and decor.

Why You'll Love It:

• Discreet Ceiling Design: The cassette units install flush with your ceiling, offering powerful airflow without altering your room's aesthetic.
• Premium Efficiency: Energy Star certified with an impressive 24 SEER2 rating for significant energy savings and potential government rebates.
• Extreme Weather Performance: A robust heat pump provides reliable heating even when outdoor temperatures drop to -13°F.
• Smart Home Ready: Offers full smart home integration and independent app/remote control for each of the three zones.

Best for Large Homes

Product Pick: DELLA Optima Series 35000 BTU Quad Zone Mini Split AC (9K+9K+9k+9k)

For large homes or complex layouts, this quad-zone system is the ultimate answer. Powering four individual indoor units from one outdoor condenser, it provides personalized comfort across up to 1,600 sq. ft., ensuring every part of your home feels just right.

What It Offers:

• Four-Zone Solution: Four 9,000 BTU indoor units provide customized climate control for four separate areas.
• Expansive Coverage: Handles up to 1,600 sq. ft., making it perfect for large family homes.
• High-Efficiency Power: Rated at 22.5 SEER2 with Inverter Plus technology for energy-efficient performance.
• Low-Temperature Heating: The powerful heat pump operates effectively in temperatures as low as -13°F.

No Installation? No Problem.

Renting your place? Need cooling without installation hassles? Or just want extra airflow in specific rooms? This solution works perfectly.

Best Plug-and-Play Option

Product Pick: DELLA 42" Ultra Quiet Smart Tower Fan with Voice/APP/Remote Control

Skip the installers and start cooling immediately. This bladeless tower fan moves serious air while staying whisper-quiet for bedrooms and offices.

Key Features:

• Powerful Yet Quiet: Pushes 1950 CFM of air but drops to 25 dB for peaceful sleep.
• Voice Control Ready: Tell Alexa or Google to adjust speed without leaving your bed.
• 12 Speeds, 4 Modes: Find your perfect comfort with Normal, Sleep, Natural, or Auto settings.
• Family-Safe Design: Tip-over protection and child lock keep kids safe, plus easy-clean parts.

Add This to Your Cart, Too

Buying a mini-split without the right line set is like getting a TV without cables. You need this connection between the indoor and outdoor units.

Best Match : DELLA Mini Split Line Set

This pre-insulated line set saves you from installation headaches. No more struggling with flare tools or wrong connections.

Key Features:

• Weather-Proof Design: Three-layer insulation with climate-resistant foam handles any weather.
• No-Hassle Setup: Pre-flared ends and included nuts mean faster, leak-free installation.
• Universal Fit: Works with most ductless mini-split brands, not just DELLA.
• Right Length Options: Choose 16 Ft, 25 Ft, or 50 Ft based on your unit placement.

Ready to Cool Down?

From single rooms to whole homes, Della Day offers cooling solutions that fit your space and budget perfectly.

The 15% sitewide discount runs August 1st through 7th only. Start browsing these picks now and create your wishlist. When August 1st arrives, you'll be first in line to score the best cooling deals of the year.