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Our Services

Residential HVAC Services

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Here at MacBrothers Mechanical we know how frustrating it can be when your home is uncomfortable and there are still things that require your attention like cooking dinner or washing clothes or just simply giving your undivided attention to your family. These tasks are difficult with a hot stuffy home, not to mention having to call an emergency technician out and spend money that most likely has not been budgeted for. That’s why we have partnered with the most reliable manufacturers on the planet and their family of companies who produce the longest lasting systems built.

Hvac Services in Central Carolina

The Brands We Sell

As homeowners ourselves we understand that the comfort of the home is paramount and the systems that deliver that comfort need to be reliable, durable, and efficient. After years of being in this field and serving customers and seeing the best and worst systems perform in our climate, we identified these three manufacturers who produce systems that in our professional opinion have those three qualities.

Reliability

Longest running system, still produced in even the worst environmental conditions with lack of maintenance or disrepair.

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Cost & Durability

Cost of parts for repairs, as well as the least number of repairs needed when sized and installed correctly.

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211 carrier logo

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Lennox logo

Efficiency

Highest SEER rating & how many Stages in a system the manufacturer offers. How fast can the system cool or heat the home?

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211 carrier logo

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Lennox logo

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Residential HVAC Services We Offer

Diagnosis and repair of all makes and models to include:

Ductless Mini Split Systems

Split Gas Furnaces & AC Systems

Split Heat Pumps

Package Units

Custom Duct Design, Repair & Install

Air Balancing

Load Calculations

Install & Repair Exhaust Duct and Fans, including Dryer Vent Install & Cleaning

Installation of New HVAC System

Review our Financing Options

with Wells Fargo

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Residential Multifamily HVAC Services

Multifamily properties include any residential buildings with more than one housing unit—such as duplexes, townhomes, or apartment complexes. Whether it’s a new installation, system replacement, routine maintenance, or emergency service, MacBrothers Mechanical has the experience and equipment to handle it all.

Types of Units (Explained)

Split Air Conditioning & Furnace System

Consists of three individual components using a gas heating source: a condenser outside and a furnace with cased coil. The furnace and cased coil will typically be located in the attic or crawl space or in a closet. This system will produce cooling through the case coil and outdoor condenser allowing several different SEER ratings, or Seasonal Energy Efficiency Ratings.

The Heating is generated directly from the furnace independently from the outdoor condenser and cased coil. Typically, the furnace is the best & hottest source of heat when LP or Natural gas is available. This system can have a wide variety of matched components, from pairing of low efficiency furnaces from 80% up to high efficiency 97% modulating furnaces. Request one of our highly trained service providers for an expert analysis of your system today.

Split air furnace

Split Heat Pump System

This system is the most popular system in the south eastern part of the U.S. because of the climate – consisting of two individual components and is all electric: a heat pump outside and an Air handler/Fan coil inside. The air handler will typically be located in the attic or crawl space or in a closet. This system will produce cooling through an outdoor condenser paired with the proper air handler allowing several different SEER ratings or Seasonal Energy Efficiency Ratings during the summer months.

Unlike the split air conditioning system which operates independent from the furnace, the heat pump system will also produce heat in the winter months using the same outdoor unit and air handler with an auxiliary or back up heat strip for the really cold winter days. This system will allow several different SEER ratings or Seasonal Energy Efficiency Rating including geothermal heat pumps and is the most efficient unit on the market today. Request one of our highly trained service providers for an expert analysis of your system today.

Split heat pump

Package Units

Package units are an all-encompassing system compacted into one large cabinet located outside. These systems are typically used on one floor, either the entire home consisting of one floor or the first floor of a two-floor residence. Package systems are a great alternative when attic space is limited, and crawlspace is spacious. These systems are not the most efficient but very practical.

Package units

Residential Mini Splits

Also known as ductless mini-split systems or mini-split heat pumps. They are advanced HVAC systems that use the same basic technology as traditional air conditioning but with key differences. Unlike conventional systems, mini splits don’t generate their own hot or cold air. They just extract the heat from the air and move it in or out of your home. They also don’t require ductwork, making them more versatile and energy-efficient. Mini splits are usually mounted to the wall of a specific room in your home, which allows you to only heat or cool certain rooms of your home when needed. They provide lower energy consumption, versatility and customizable comfort.

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Residential HVAC FAQs

How Does My Heating System Work?

If you’re like most Americans, you probably own a furnace that heats your home. Other popular heating system choices include boilers and heat pumps. But all heating systems work on the same principle—cold air or water comes into the system, is warmed up by the fuel source, then is forced out through a complicated maze of ductwork or pipes. Your heating system involves a lot of moving parts, and when one part breaks, many more can fail.

If you hear rattling in your furnace or your heat pump is wheezing, reach out to MacBrothers Mechanical LLC. Our technicians have repaired and maintained furnaces, boilers, heat pumps, and more. We don’t believe in providing surface-level repairs. Instead, we conduct comprehensive, top-to-bottom repairs that dive deep into your heating system’s root problem. Contact us today!

How Does My A/C System Work?

Your home or business’s air conditioning system uses three steps to keep temperatures down. The first step is to take in warm air from the outside. Then, your air conditioning unit will compress that air and blow it across a cooling coil full of refrigerant. This transforms the warm air into a cool, refreshing breeze. Lastly, your air will distribute through the house, either through ductwork or a vent on your A/C unit.

The inside of an air conditioning unit can be a maze. Instead of trying to tackle the complicated job of A/C repairs yourself, let us take over. We have the expertise needed to repair all cooling systems of all brands. Whether your thermostat has broken down or your A/C unit needs new parts, we can help.

What Size Air Conditioner Is Right for My Home?

Did you know that North Carolina law requires a load calculation to be performed prior to the installation or replacement of an HVAC system? Per 312.1, it states heating and cooling system design loads for the purpose of sizing systems, appliances and equipment shall be determined in accordance with the procedures described in the ASHRAE/ACCA Standard 183. Additionally this must be performed by a registered design professional (architect or engineer) or a licensed HVAC contractor. We specialize in Load Calculations.

The size of an air conditioner should reflect the size of your home. An HVAC unit that’s too big for your home won’t run enough, and you’ll probably end up with poor humidity control and temperatures. On the other hand, a unit that’s too small will have trouble keeping your home at the proper temperature. It will also overwork itself trying to reach the proper temperature, which means your energy bills will be higher.

The best way to find out what HVAC unit works for you is to reach out to us at (919) 901-7015. First, we’ll have to inspect every inch of your home: the windows, orientation, insulation R-values, duct leakage, and more. Then we use MiTek Wrightsoft software to properly calculate the appropriate sized unit to fit the square footage of your home. We’ll use the results to best recommend an HVAC unit that meets the heating and cooling loads for your home.

Can I Keep My Current Ductwork?

Your ductwork is the key to your HVAC system’s proper functioning. If your ducts are too small, too long, or have obstructions in them, then your HVAC unit won’t move as much air as it should. We’re available to inspect your ductwork. If it turns out you need your ductwork cleaned out, we can help there too.

What Are Some of the Most Common HVAC Units?

There are dozens and dozens of HVAC units available out there, and they all have their unique pros and cons. If you’d like to learn more about what product might work for you, give us a call.

split air conditioner is one of the most common HVAC units. It’s called a ‘split’ air conditioner because it has two halves: one that sits outside your home and one inside. The two halves communicate via coolant lines to keep your home cool.

packaged system is installed outside. These HVAC systems are usually less expensive and take up less space.

variable-speed furnace helps you see better heating and cooling efficiency. These furnaces run for extended periods but at slower speeds. This helps reduce wasted energy from constantly starting and stopping.

heat pump is an HVAC unit that serves as both an air conditioner and a heater. We only recommend heat pumps for climates that see mild winters. Heat pumps are also more energy-efficient than furnaces, so they are a cost-effective option.

What Thermostat Do You Recommend?

A thermostat is just as important as an HVAC unit, and it can even save you money on your energy bills. Many modern thermostats can be programmed to set a schedule for heating and cooling, which prevents energy waste. They can also report on your energy usage and help you manage your HVAC unit remotely. We offer the Nest thermostat along with other thermostat options. Reach out to us to find out if your HVAC unit can work with a programmable thermostat.

Should I Replace All of My HVAC Equipment at the Same Time?

Buying all your HVAC equipment at the same time is not necessary, but it can be helpful. If you’re buying multiple different HVAC products, make sure that they work together. A system of mismatched parts won’t work together well and can lead to energy efficiency problems. It’s often best to purchase your HVAC products from one manufacturer instead of several.

How Long Does It Take to Install an HVAC Unit?

Every HVAC system is different, and the timeline for installation is different. We understand that if you bought a replacement unit, you probably want the new system up and running as soon as possible. However, the many moving parts involved in HVAC installation can slow the process down. Installation can easily take more than a day. If the system is large or requires significant ductwork updates, then your installation could take several days. Certain HVAC units can take longer to install and impact your costs, so please consider this when purchasing.

When Is the Best Time to Replace My HVAC System?

During the summer, HVAC contractors are busy working on air conditioner installs and repairs. Vice versa, they’re often busy in the winter with furnace/heat pump installs and repairs. That means the best time to buy a new system is immediately after summer or between busy seasons. You may see significant savings!