Blog
The D-Air Way: Our 4 Core Values
Core Values: We have only 4 core values. They are borrowed from companies that we deeply respect. It is important that our entire team understand these core values and live by them each every day. Notice that profit is not a core value. If we are able to achieve these core values, we will be delivering exceptional value to our customers and to the community. Profit is an outcome of value generation. The adherence to these core values ensures that we always deliver value. In life, you cannot control the output. You can only control the inputs. As Mark Cuban states:...
Guide to Purchasing a Lennox Heating and Central Air Conditioning System
Lennox is one of the top brands in central heating and air conditioning products. Many consumers prefer Lennox for the quiet sound, durable products, and excellent warranty. In this post, we will go over a guide to purchasing a Lennox heating and central air conditioning system for your home. Before we get started, it is important to understand that Lennox has 3 series of products: Signature, Elite, and Merit. Just as when you are purchasing a new car, there is a wide variety of products to choose from depending upon your needs and budget. The Lennox Signature Series represents the...
D-Air's Standard Ductless Mini Split Installation
All ductless mini split includes an indoor evaporator and an outdoor condenser. The units are connected with a copper lineset through a 2-inch hole. The refrigerant line set allows the indoor unit to pump heat out of the room thus cooling it. On the outside, we cover the refrigerant linesets with nice white covers that can be painted to match the decor of your house. Each outdoor unit is connected to an electrical disconnect box. The disconnect box allows you to safely cut off power to the unit for servicing and maintenance. The outdoor unit rests...
What is a Central Heating and Air Conditioning System?
The modern residential central air system is a thing of beauty. It was first invented over 100 years ago and has in many ways not fundamentally changed. Your home's central system consists of 6 components all working together to keep you warm in the winter and cool during the summer. These components include: 1) Furnace (with Air Handler), 2) Condenser, 3) Evaporator Coil, 4) Ducts, 5) Thermostats, and 6) Air Filters. 1. Furnace + Air Handler The natural gas or electric furnace is the most recognizable component of a central heating and central air conditioning system. The furnaces' job is to...
Why We Braze All of Our Copper Connections
Most people are unaware that there are 2 ways to connect the copper tubing for a ductless mini split installation. The two methods are: 1) a flare connection and 2) a braze connection. Flare Connection The most common method for a ductless mini split installation is the flare connection or the flaring method. Using this method, the contractor uses a tool to stretch the outer diameter of the copper tube to create a flare (see below). Once the flare has been created, the contractor will connect the bolts together to lock in the two copper pieces together. Advantages of the Flaring...