Upstate's #1 Choice for Commercial HVAC Services.

Professional heating, cooling, and mechanical solutions for businesses throughout Greenville and the surrounding areas.

Our Recent Work

Expert Commercial HVAC Solutions

Stronghold Mechanical specializes in providing comprehensive HVAC services for commercial properties of all sizes. From small offices to large industrial facilities, our experienced team delivers reliable solutions that keep your business running smoothly.

We understand that downtime costs you money. That's why we offer rapid response times, preventative maintenance programs, and 24/7 emergency services to ensure your commercial HVAC systems operate at peak efficiency year-round.

Certified Technicians

Cost-Effective Solutions

Quick response

Our Recent Work

Upstate's #1 Choice for HVAC Commercial Services.

Keep your business running smoothly with reliable commercial HVAC services from Stronghold Mechanical. We provide comprehensive heating, cooling, and ventilation solutions for businesses throughout Upstate South Carolina, ensuring your employees and customers stay comfortable year-round.

24/7 Emergency Commercial HVAC Service

HVAC downtime can impact your business operations, employee productivity, and customer satisfaction. That's why Stronghold Mechanical offers 24/7 emergency commercial HVAC service in Greenville, Spartanburg, Anderson, and surrounding areas. Our technicians respond quickly to minimize disruption to your business.

Certified Technicians

Cost-Effective Solutions

Quick response

WHAT WE DO

MOST POPULAR SERVICES.

Services
Commercial Services Icon

Commercial Services

Industrial, Office, and Retail Solutions

Unit Installation

Unit Installation

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

Preventative Maintenance

Preventative Maintenance

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

Chillers

Chillers & Boilers

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

Ventilation

Ventilation & Ductwork

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

Residential Services Icon

Residential Services

Home Comfort & Air Quality

AC Repair

A/C Repair & Installation

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

Heating

Furnace & Heating

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

Air Quality

Indoor Air Quality

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

Smart Thermostats

Smart Home Integration

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

Maintenance Services Icon

Maintenance Services

Professional HVAC maintenance for homes & businesses in the Upstate

Seasonal Tune-Ups

Seasonal Tune-Ups

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

Safety Inspections

Safety Inspections

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

Filter Replacement

Filter Replacement

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

Service Agreements

Service Agreements

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

SCHEDULE TODAY

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.

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