Upstate's #1 Choice for HVAC Residential Services.

When it comes to your comfort, you can rely on Stronghold Mechanical to deliver heating and cooling solutions that keep your home or office comfortable in Upstate, South Carolina.

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Upstate's #1 Choice for Residential HVAC Services.

When you need reliable HVAC services in Upstate South Carolina, Stronghold Mechanical delivers the comfort and peace of mind you deserve. Serving Greenville, Spartanburg, Anderson, and surrounding communities, we provide 24/7 emergency heating and cooling solutions for homeowners throughout the region.

24/7 Emergency HVAC Services in Upstate SC

Your home's comfort can't wait. That's why Stronghold Mechanical offers round-the-clock emergency services 365 days a year. Whether your air conditioner breaks down during a sweltering Greenville summer or your furnace fails on a cold winter night, our licensed technicians are ready to respond quickly and restore your comfort.

Certified Technicians

Cost-Effective Solutions

Quick response

864-202-4980

WHAT WE DO

MOST POPULAR SERVICES.

Services

Commercial Services

Industrial, Office, and Retail Solutions

Unit Installation

Complete installation and replacement of commercial RTUs, ensuring efficient climate control for large footprint buildings.

Preventative Maintenance

Customized service contracts to reduce downtime, extend equipment life, and optimize energy efficiency for your facility.

Chillers & Boilers

Expert diagnostics, repair, and installation for complex hydronic systems, including water-cooled and air-cooled chillers.

Ventilation & Ductwork

Custom sheet metal fabrication and exhaust fan installation to ensure proper air exchange and code compliance.

Residential Services

Home Comfort & Air Quality

A/C Repair & Installation

Fast, reliable cooling repairs and high-efficiency system replacements to keep your home comfortable all summer.

Furnace & Heating

Safety inspections, tune-ups, and installations for gas furnaces and heat pumps to ensure warmth when you need it.

Indoor Air Quality

Breathe easier with whole-home filtration systems, humidifiers, and UV lights designed to reduce allergens and dust.

Smart Home Integration

Upgrade to Wi-Fi enabled thermostats that allow you to control your home's temperature from anywhere.

Maintenance Services

Professional HVAC maintenance for homes & businesses in the Upstate

Seasonal Tune-Ups

Bi-annual inspections for Spring and Fall to ensure your system is prepared for extreme weather conditions.

Safety Inspections

Comprehensive safety checks for gas leaks, electrical connections, and carbon monoxide risks.

Filter Replacement

Regular filter changes to maintain optimal airflow, reduce energy costs, and improve indoor air quality.

Service Agreements

Priority scheduling and discounted parts with our annual residential and commercial maintenance plans.

SCHEDULE TODAY

(864) 202-4980

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Frequently Asked Questions

We understand the importance of clarity and are here to provide answers to your most common queries.

How often should I have my HVAC system serviced?

It’s recommended to service your HVAC system at least twice a year — once before summer for your air conditioning and once before winter for your heating system.

What are the signs that my HVAC system needs repair?

Common signs include unusual noises, inconsistent temperatures, higher energy bills, and poor airflow.

Are your technicians certified and insured?

Yes, all our technicians are fully certified, licensed, and insured to provide professional and reliable HVAC services.

How long does an HVAC system typically last?

With proper maintenance, most HVAC systems last between 10 to 15 years, depending on usage and brand quality.

Do you offer emergency HVAC repair services?

Yes, we provide 24/7 emergency repair services to ensure your comfort is restored as quickly as possible.

What types of HVAC systems do you install?

We install central air conditioning systems, ductless mini-splits, heat pumps, and furnaces, customized to fit your needs.

How can I reduce my HVAC energy costs?

Regular maintenance, proper insulation, using energy-efficient equipment, and setting your thermostat to optimal temperatures can help reduce energy costs.

How can I improve the energy efficiency of my HVAC system?

Regular maintenance, cleaning/replacing filters, sealing ductwork, and upgrading to a programmable thermostat can significantly improve efficiency.

CONTACT US

REQUEST AN APPOINTMENT

Have questions about your heating or cooling system? We’re here to help. Fill out the form below, and a member of the Stronghold Mechanical team will reach out to you shortly.

Looking To Maximize Your Comfort?

Our HVAC experts work closely with you to understand your heating and cooling needs, delivering tailored solutions that ensure efficiency, reliability, and year-round comfort.