HVAC Contractor

HVAC Contractors – Why You Need A Stem HVAC Contractor

Most HVAC contractors specialize in repairing, installing and servicing the heating, ventilation and air conditioning systems in homes and businesses. These systems are often difficult to repair and require expert attention. These technicians work with building construction plans, blueprints and a wide range of tools to keep buildings warm or cool. They also help homeowners reduce energy bills.

Air Conditioning Installation

In this career, you install and repair heating, ventilation, air conditioning, and refrigeration systems. HVAC contractor Stem technicians typically work in homes, schools, hospitals, and office buildings. This career requires an excellent understanding of current technology and customer service skills. Your professional will conduct an in-home consultation, discussing your needs and providing recommendations and a cost estimate. Be sure to ask for a breakdown of expenses if the quote isn’t clearly itemized.

Your team will disconnect the electrical wiring for the old air conditioner, drain and remove any refrigerant (it’s illegal to vent it into the air) and connect an external shutoff to the line set. They will then start laying down floor protection and setting up tools and equipment.

Air Conditioning Repair

NC hvac contractor technicians repair, install and maintain heating, ventilation, air conditioning and refrigeration systems. They typically work in homes, schools, hospitals and office buildings. Some may also work outdoors. They often work in cramped spaces and at irregular hours.

Common problems that HVAC technicians fix include clogged or dirty filters, pilot or ignition problems, and water leaks. They can also help homeowners choose a new HVAC system that uses less energy and fewer chemicals. In addition, they can perform maintenance on existing systems. The company specializes in servicing attic-centralized central AC, ductless mini-splits and commercial packaged terminal air conditioners. It also offers maintenance plans and energy management systems.

Heating System Repair

When your heater installation breaks down during winter, you need a contractor to come out right away. The cold will quickly freeze your family members, putting them at risk for hypothermia. To keep everyone warm, layer up and use any alternative heating systems.

Check the thermostat first. It may have dead or low batteries. Also, ductwork and venting issues can cause the blower motor to overheat or become corroded. To prevent these problems, keep the area around the indoor and outdoor units clear of blockage. Aim for at least two feet of clearance. Also, periodically wash the fan coils. Keep the lawn mowed to avoid debris buildup around the condenser unit.

Heater Installation

Stem offers a wide range of heating services, including new system installation. Our technicians will help you choose the right size and model for your home. You can also count on us for fuel delivery, equipment service and cost management. We strive to save you money by using advanced energy conservation and environmental protection techniques.

HVAC equipment and system installers install, maintain, and repair heating, ventilation, air conditioning installation systems in homes, schools, hospitals, offices, and other buildings. They must be familiar with current technology and customer service skills. Employment of these professionals is expected to grow by 4 percent from 2019 to 2029.

AC Cleaning

A professional HVAC contractor will tinker with the delicate balance of refrigerants and pressures that make your home cool. They will also clean ductwork to reduce allergens and mold. This prevents a buildup of ice that can cause an air conditioning repair system to shut down. Math is a vital part of this trade, with technicians using algebra and specialized formulas to service ductwork and whole-home systems. They also use this math to calculate the amount of heat or cooling needed for a space.

If you’re interested in pursuing a career in this field, consider earning a two-year associate degree or one-year certificate. Central Piedmont’s programs include workplace learning courses that allow students to gain real-world experience through a co-op, internship or apprenticeship while still in school.

HVAC Maintenance

The HVAC system in your home can be expected to last 10 or more years, depending on the care you give it. Regular, preventive maintenance can stretch that lifespan even further, avoiding the need for costly heating system repair or a sooner-than-necessary replacement.

In addition to inspecting the equipment and cleaning or replacing the air filters, a technician will also check for loose or corroded electrical connections, which can be fire hazards for household members. They will also clean the condenser and evaporator coils to improve air flow and energy efficiency. By investing in HVAC maintenance, you can save money and enjoy greater comfort for your family or business.


HVAC technicians are trained to install, repair and maintain systems that keep homes, schools, cars and hospitals comfortable. Some also consult on energy efficiency and air quality. Many high school students take vocational and technical courses to prepare for an apprenticeship that lasts from a few months to several years. Certifications include a certificate or an associate degree in HVACR.

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