How Does Your AC Work

January 24, 2019 | Home Inspection

Like driving a car, most people can enjoy their home AC without knowing all the details of how it works; however, the concepts are easy to understand and actually quite interesting. Let’s look at an AC functional diagram. The basics of cooling your home is about removing heat from the refrigerant. This is done by turning the refrigerant by compressing and decompressing the refrigerant to transform it from a liquid to a gas and back to a liquid. As the refrigerant is compressed, it becomes hot. When it is decompressed, it becomes cold. There are 2 units used in the typical residential AC system Outdoor Unit: is often called the Condenser Unit. It is a rectangular box sitting out of the house. Key components located in the outdoor unit is the compressor, the condensing coils, and a large fan. Indoor Unit: is typically attached to the furnace system. They share … Continued

Read More

What Is An AC Balance Test

May 14, 2018 | Buyer Inspection

In our inspection reports, we often state that the air conditioning cooling system failed the balance or the TD test. So what is the world is an AC Balance Test? The AC Balance Test is slang for the AC Temperature Differential Test. It is the difference between the temperature of the air going into an air conditioner and the temperature of the air coming out. It is also called the “delta T” by HVAC professionals. Let’s review what is happening using the following diagram: The condensing unit, located outside of the house, sends coolant back inside the house to the Evaporator Unit where the coolant is cooled to a low temperature of about 25 degrees before it enters the evaporator coils. A fan blows room temperature air from the return air vent across the condensing coils. The air is chilled to about 55º F and vented back to the house … Continued

Read More

How To Read A Texas Home Inspection Report

January 1, 2018 | Buyer Inspection

One of the challenges every home inspector faces is to translate what they see to a report that makes sense to the person reading the report. The Home Inspection Report is designed to inform the client about the overall condition of the home. With this information, the client, with advice from their Realtor, can determine how to proceed. They may accept the condition of the home, negotiate for some of the repairs, negotiate the purchase price, or they may decide to withdraw the purchase offer and continue looking for a home. At Magnolia Home Inspection Services we use the following color code: Blue: inspector comments about the condition of the item inspected. These appear when there is an issue with the item. Red: inspector comments concerning safety issues for the item inspected. Black: standard TREC LIMITATIONS Home Inspection Reports can be lengthy and confusing. The report can contain anything from … Continued

Read More

HVAC Basics

November 7, 2017 | Buyer Inspection

What should a realtor look for when showing a listing to a client? How does a realtor or a client know whether to pursue a house or to walk away? It really depends upon what the clients are looking for. If they want a historical home and if the home has not been restored, they can expect to spend tens of thousands of dollars or more in restoration. Some buyers are looking for fixer uppers, but even then, they will walk away if the renovation is too costly or overwhelming. Most buyers are looking for a house that is close to move in ready without expecting to spend a lot of out of pocket money within the first 5 years of ownership. The top three high dollar repairs facing a prospective home buyers in the Houston area are: Foundation Settlement Roof Air,Conditioning / Furnace (HVAC) This blog addresses HVAC. HVAC … Continued

Read More

Saving Money Through Proper Attic Ventilation

August 23, 2017 | Home Inspection

Attics can be designed to be either vented or unvented. Ventilation size and location is determined by many factors such as insulation component used, trade winds engineered into the design and types of vents being utilized. Most homes are designed to be vented. Which of the following is the primary purpose of attic ventilation? Cooling the attic, the cost of cooling the living space in the house is reduced. Ventilating the attic allows the house to “breathe” which contributes towards a healthy house? Proper ventilation helps remove moisture in the attic. If you chose C, then you are absolutely correct. Water and moisture are natural enemies to the structure of the house. Moisture can cause wood rot on the roof sheathing (or deck), rafters, collar ties, purlins, and ceiling joists. Mold and fungus can appear where there is a source of moisture. In northern climates, ice damming on the roof … Continued

Read More