Why Are They Called Ductless Mini Splits? A wall-mount mini-split heating and air conditioning unit installed in a new house. A modern heat pump, this unit heats a house in winter and cools in the summer. This type of system eliminates ductwork which is a primary source of inefficiency in a conventional system making this about 30% more efficient. This particular unit has an eye sensor which pans the room looking for hot or cold spots and directs the airflow accordingly.

Why Are They Called Ductless Mini Splits?

June 30, 2025

They’re called ductless mini splits because they don’t require ductwork and consist of two main components—a compact indoor air handler and an outdoor compressor—connected by refrigerant lines. This “split” design allows for efficient, targeted heating and cooling in specific areas.

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Thermostat Settings: On vs. Auto Photo of a digital thermostat mounted on a wall with a blue light.

Thermostat Settings: On vs. Auto

June 16, 2025

We all know the difference between the heating and cooling settings on a thermostat.

But what’s the difference between the On or Auto switch? How does this setting impact the heating, ventilation, and air conditioning (HVAC) system in your Cave Creek home?

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Thermostat 101 Basics. European girl choosing temperature on thermostat of smart home system while her black boyfriend looking at her. Concept of modern technologies in domestic lifestyle. Interior of kitchen.

Thermostat 101 Basics

May 30, 2025

You can trust our team at Reliance Heating & Cooling to always add value and comfort to your Arizona home or business throughout the year. We offer practical solutions designed to extend the service life and operating efficiency of your HVAC system—including your thermostat.

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a smiling female embracing her mother while they are looking away.

What Are Zone Control Systems?

May 16, 2025

According to the US Department Department of Energy, heating and cooling your home accounts for upwards of 40 percent of your energy costs.

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Spring AC Maintenance Tips

Spring AC Maintenance Tips

April 30, 2025

Spring is finally arriving in Arizona! The days are getting longer, the flowers are blooming, and you’re probably already thinking about dusting off the patio furniture or tackling that messy garage.

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What Is an Air Handler? Service Man Working on Furnace.

What Is an Air Handler?

April 16, 2025

The same goes for a heat pump. The outdoor unit might be in perfect working condition. Still, the heating and cooling process stops without an indoor evaporator coil, connecting refrigerant lines, and a fan to blow conditioned air through ductwork.

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Your HVAC System Can Enhance Sleep. Asian women She is in bed and was waking up in the morning. She felt very refreshed.

Your HVAC System Can Enhance Sleep

March 31, 2025

The sound of a well-maintained heating, ventilation, and air conditioning (HVAC) system is like a lullaby for a good night’s sleep.

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What’s That Smell Coming From My AC at Startup?

What’s That Smell Coming From My AC at Startup?

March 12, 2025

As the temperatures begin to rise in Phoenix, many homeowners are firing up their air conditioners for the first time in months. But what if, instead of a refreshing blast of cool air, you’re hit with an unpleasant smell?

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full shot of an air conditioner unit outside of a home.

5 Reasons Why Regular HVAC Maintenance is Essential for Phoenix Homeowners.

February 28, 2025

According to the U.S. Department of Energy, a task such as changing the air filter on your system can improve efficiency by up to 15 percent.

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A winter blizzard rages outside the back yard bay window where this small

7 Furnace Maintenance Tips

February 14, 2025

Our team at Reliance Heating & Cooling wants to help you be prepared by providing the following furnace maintenance tips.

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Need HVAC Service?

Contact the experts at Reliance Heating and Air Conditioning.

Call us at 602-944-9585!