How long does a furnace installation take?

Most residential furnace installations can be completed in one day. The timeline may be longer if the project requires ductwork changes, venting updates, electrical work, or other modifications.

How do I know what size furnace my home needs?

Furnace size depends on your home’s square footage, insulation, layout, windows, ductwork, and heat loss. A professional load calculation helps identify the correct capacity and reduces the risk of short cycling, uneven heating, and wasted energy.

When should I consider furnace replacement?

Replacement may be the better option when a furnace needs frequent repairs, heats unevenly, raises energy costs, or has reached an advanced age. A technician can compare the condition of the equipment with the cost and expected value of another repair.

What are common signs that a furnace needs repair?

Common warning signs include weak airflow, unusual noises, repeated cycling, cool air from the vents, ignition problems, and difficulty maintaining the thermostat setting. Prompt furnace repair can help prevent further damage and restore dependable heat.

What is involved in a gas furnace installation?

A gas furnace installation includes selecting properly sized equipment, connecting the fuel and electrical systems, checking venting, confirming airflow, and testing the furnace for safe operation. The technician should also verify thermostat compatibility and review basic system operation with the homeowner.

Furnace Services in Greenville & Upstate SC

Name: Waldrop Plumbing Air Electric
Brand: Waldrop Plumbing Air Electric
Rating: 4.8 (8403 reviews)

Serving Upstate South Carolina with trusted home comfort solutions since 1970.

4.8 Google Rating

(opens in a new tab)

A reliable furnace plays an important role in keeping your home warm and comfortable during the colder months. If your current heating system struggles to maintain consistent temperatures or has reached the end of its service life, a professionally installed replacement can improve efficiency, reliability, and indoor comfort. Waldrop Plumbing Air Electric provides expert furnace installation in Greenville, SC, helping homeowners select heating equipment that fits their home’s size, layout, and comfort needs.

From replacing aging equipment to installing a furnace in a newly constructed home, our technicians complete every installation with careful attention to manufacturer specifications and long-term performance. We also provide furnace repair when a replacement isn’t necessary, helping you make an informed decision based on the condition of your existing system.

Contact Waldrop Plumbing Air Electric today to schedule your furnace installation consultation and discover the right heating solution for your home.

HVAC technician kneels in an attic, working on large insulated ducts near a furnace unit.

Furnace Vs. Heater: What’s The Difference?

The terms “furnace” and “heater” are often used interchangeably, but they aren’t the same. A heater is a general term for any system that warms your home, while a furnace is one specific type of heating system. Understanding the difference can help you choose the right service when your equipment needs maintenance, repair, or replacement.

Heater: A general term for systems that heat your home, including furnaces, heat pumps, boilers, and ductless mini-splits.
Furnace: A heating system that warms air and distributes it through your home’s ductwork. Furnaces may be powered by natural gas, electricity, or propane.
Not sure what system you have? Our technicians can identify your heating equipment during your visit and recommend the right repair, maintenance, or replacement service for your home.

Comprehensive Furnace Services In Greenville, SC

Your furnace needs different types of care throughout its lifespan to continue operating safely and efficiently. Whether you’re installing a new system, restoring heat after a breakdown, or replacing aging equipment, Waldrop Plumbing Air Electric provides complete furnace services tailored to your home’s heating needs.

Furnace Installation

Installing a new furnace starts with selecting equipment that’s properly sized for your home. Our technicians evaluate your heating needs, recommend the right system, and complete every installation according to manufacturer specifications for dependable, long-term performance. We also provide gas furnace installation for homeowners looking for an efficient and reliable heating solution.

Furnace Repair

A furnace that won’t turn on, produces uneven heat, or makes unusual noises shouldn’t be ignored. Our technicians diagnose the underlying issue and complete furnace repair using quality parts whenever possible, helping restore reliable heat while addressing the cause of the problem.

Furnace Replacement

If your furnace is nearing the end of its lifespan or repairs have become more frequent, replacing the system may be the better long-term investment. We’ll help you compare your options, recommend equipment that fits your home’s heating requirements, and complete your furnace replacement with careful attention to quality and performance.

Furnace Maintenance

Routine maintenance helps your furnace operate more efficiently and prepares it for the demands of the heating season. During a maintenance visit, we inspect key components, clean the system, check for signs of wear, and identify potential issues before they lead to unexpected breakdowns.

FOR ALL YOUR HOME SERVICE NEEDS

Schedule Now

Why Choose Waldrop Plumbing Air Electric For Furnace Services?

The quality of your furnace service can have a lasting impact on your home’s comfort, efficiency, and reliability. Waldrop Plumbing Air Electric delivers expert care for every stage of your furnace’s lifespan, from routine maintenance to complete system replacement.

Experienced furnace service: Our technicians work on gas and electric furnaces, diagnosing issues accurately and completing repairs with attention to detail.
Proper system sizing: Every new furnace is selected based on your home’s heating needs to support reliable, efficient performance.
Quality installation: We install furnaces according to manufacturer specifications, verifying airflow, connections, and overall system operation before the job is complete.
Maintenance that extends system life: Routine tune-ups help improve efficiency, reduce wear on components, and prepare your furnace for the heating season.
24/7 emergency scheduling: If your furnace stops working unexpectedly, we’re available to schedule service whenever you need us.

Keep Your Home Warm With Expert Furnace Service

Your furnace should provide dependable heat whenever temperatures drop. If it’s time for a new installation, a repair, routine maintenance, or a replacement, Waldrop Plumbing Air Electric is ready to help you find the right solution for your home.

Contact Waldrop Plumbing Air Electric today to schedule your furnace service in Greenville, SC, and enjoy reliable comfort all winter long.

club wally members offer

FREE

Furnace Inspection

Schedule Now

Expires: Nov 30, 2026

See Additional Details

Our Services

Send Us A Message

Name(Required)

Email(Required)

Phone(Required)

Service Request

How Can We Help?

By submitting your form and signing up for texts, you agree to receive informational messages (appointment reminders, account notifications, etc.) from Waldrop Plumbing Air Electric at the number provided. Message and data rates may apply. Message frequency varies. Unsubscribe at any time by replying STOP and no further messages will be sent. Reply HELP for help. Privacy Policy | Terms & Conditions

Frequently Asked Questions

expert answers to your questions

A burning smell when you first turn on your furnace is often caused by dust that has accumulated on the heating components during warmer months. This smell typically disappears within a few hours. However, persistent odors, electrical smells, or smoke could indicate a more serious issue. Understanding what causes a burning smell when your furnace starts up can help you determine what’s normal and when to call an HVAC professional.

Have a different question? Reach out to us – we’re happy to help!

864-536-0887

recent reviews

What Homeowners Are Saying About Us

More than 8634+

5 Star Reviews

(opens in a new tab)

Review Highlights

Customers consistently praise the team's exceptional professionalism, expertise, and genuine customer care across HVAC, plumbing, and electrical services. Technicians are repeatedly highlighted for their knowledge, clear communication, thorough explanations of work and options, and honest recommendations—offering solutions tailored to actual needs without pushing unnecessary add-ons. The combination of prompt response times, efficient same-day service, quality workmanship, and courteous, friendly technicians creates experiences that keep customers coming back and eager to recommend the team to others.

Based on 8,634+ Reviews

Jacob Sawyer

3 days ago

Aiden and Pedro were excellent throughout the entire process. Without going into too much detail, they had to complete extensive pipe work that took three days. They made what could have been a very stressful experience much easier by walking us through each step, explaining the work being done, and keeping us updated on their progress.

The past three days were definitely stressful and overwhelming, but their professionalism, communication, and willingness to keep us informed helped put us at ease. Most importantly, they established a level of trust that made all the difference.

Thank you both again for everything you did for our family. We truly appreciate your hard work and dedication. We would absolutely recommend you to our family and friends!

— The Sawyer Family

Midge Smith

4 days ago

Trey, Gavin, Dillon and James Did a superlative job this week.! They were courteous, professional, and kind.

Jennifer McCuen

4 days ago

Great customer service. Rob was very helpful in getting the service i needed.

Gurjeet Kaur

4 days ago

Zach was professional, on time and completed the repairs to our home in a timely manner. He took the time to answer all questions. As a returning customer I would highly recommend Waldrop for your home repair needs if you are looking for professional, reliable, family oriented staff to come into your home.

Greg Nitz

4 days ago

Polite, courteous, friendly. Explained what they found. No pressure pay out big for repairs. Gave options.

Gary Moore

5 days ago

Very professional, and all of my water lines where inspected, then all sink and toilet lines where inspected, and no leaks, so they do this once a year, and now I'm very satisfied with the results, thank you.
The Staff and Technicians have made me a part of their family. They are very kind and very professional about what they do. Their prices are unbeatable, and I like when they are finished with the job they clean their mess up and haul it off, and then they come in talk and show pictures of what they did. And I THANK ALL OF THEM!

Lori Bridges

5 days ago

Chad Tucker was amazing!

Judy A. Jowers

5 days ago

😊Jose in HVAC and Michael C. in plumbing were capable and courteous. Y’all call Wally. 😊

Jonny Clay Crocker

5 days ago

Jacob did a great job. Very professional and knowledgeable. Did a great job walking through the estimates and explaining the repairs he recommended

Nicole Cavanagh

5 days ago

Clark was professional and thorough. He answered all our questions. Highly recommend without reservations

Clark cleaned our coils today- he was thorough and professional- we would recommend both Waldrop and Clark!

David and Michael did a great job- courteous and tidy- breathing better tonight😄

Makism- was friendly, thorough and provided resources and tips. Great job 😃

Zack, Caleb and Mark were great! Courteous and communicated clearly. Left the house clean.
Great job😃

Portia Tucker

5 days ago

Brandon was very patient and knowledgeable.

Glenn Spurlin

5 days ago

Great service. I just needed a checkup to make sure the system was healthy. Tim was fantastic, and was patient with me and my million questions. It was enjoyable and no pressure to try and up charge anything. I will use them again.

Update: Jared did a full day-long repair in Nov and was wonderful. Very friendly, respectful, and knowledgeable. Loved the experience!!

Alanna Hampton

5 days ago

Had issues with my AC last night and Zach was here next day and cleaned the drain lines/etc so the system could turn back on. Also showed me pictures of how the new stuff works so I dont feel totally in the dark. Thanks!

Jesse Jones

5 days ago

Great and quick service from Dan and Hayden!

Halie Miller

5 days ago

Josh was wonderful. He got my toilet fixed and gas leak fixed with in a short amount time. Will definitely be using Waldrop again

Justin Quinn

5 days ago

Travis was very professional and thorough. Unfortunately pricing from Waldrop continues to be out of line and absurd. When I told him I would not be proceeding with any of the recommended services, he still offered to replace my air filter.

Deborah Rice

5 days ago

The technicians are always so nice and very thorough. Victor did a great job.

Deb Goosen

5 days ago

Holden did a great job fixing our problem. He explained everything and was very nice and professional.

Complete Home Comfort Awaits

From plumbing and electrical to heating, cooling, and indoor air quality, Waldrop is here to keep your whole home running comfortably. Schedule your service today and experience trusted care from the team Upstate homeowners have counted on for generations.

Schedule Now