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Your Guide to Smart Cooling Solutions

DELLA BLOG

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R-454B vs R-32: Which AC Refrigerant Should You Choose?
Buyer's Guide

R-454B vs R-32: Which AC Refrigerant Should You Choose?

Shopping for a new air conditioner in 2025 is becoming more of a challenge than ever. New regulations are officially in effect, and the older, commonly used R-410A refrigerant is being phased out. ...
Do Mini Splits Turn Off When Temperature Is Reached
AC Know-How

Do Mini Splits Turn Off When Temperature Is Reached

 If you've ever noticed your mini split running all the time, you may be concerned about extra energy waste. Many split system HVAC users wonder, "Shouldn't it shut off once the room feels cool?" E...
How to Increase Airflow in an HVAC System
Installation & Usage Tips

How to Increase Airflow in an HVAC System

When your HVAC system can’t push enough air, comfort goes out the window. You may have experienced this: one room feels like a sauna, and another like a freezer. No matter how much you adjust the t...
What Is a Btu?
AC Know-How

What Is a Btu?

The BTU rating affects how well an air conditioner cools a room. It’s one of the most important things to look at when choosing the right AC. A unit that’s too weak won’t cool effectively. One that...
Why Is My AC Unit Making a Loud Noise
AC Know-How

Why Is My AC Unit Making a Loud Noise

On a boiling summer day, the best place is a cool, air-conditioned room. However, the comfort fades when your AC unit is making a loud noise. Those humming, hissing, and even worse, rattling noises...
How Do Portable Air Conditioners Work
AC Know-How

How Do Portable Air Conditioners Work

Are you rightfully worried about the high costs of air conditioning in the summer? But, you know, you need to stay cool?  Then you must seriously consider portable air conditioners. Compared to tra...
Understanding Mini Split Error Codes: A Quick Guide for Della Models
Troubleshooting & Solutions

Understanding Mini Split Error Codes: A Quick Guide for Della Models

In this guide, we’ll walk through the most common Della mini split error codes, explain what they mean in plain English, and give you a smart starting point for troubleshooting.   
Split air conditioner installed on indoor wall
Buyer's Guide

Best Mini Split AC Systems for Your Home in 2025

Looking for a smarter, more efficient way to cool your home? A mini split air conditioner can be the perfect solution for you. These ACs (which are also heat pumps) provide the most energy efficien...
Split Air Conditioner Installation
Installation & Usage Tips

Mini Split Air Conditioner Installation Guide

Beat the summer heat with a mini-split AC. This guide covers key steps and tips to help you install it easily and confidently.

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